AMX AVS-PL-0404-345

AMX AVS-PL-0404-345
Instruction Manual
Precis LT
Distribution Matrix
AutoPatch Matrix Switchers
Release: 10/05/2009
AMX Limited Warranty and Disclaimer
All products returned to AMX require a Return Material Authorization (RMA) number. The RMA number is
obtained from the AMX RMA Department. The RMA number must be clearly marked on the outside of each
box. The RMA is valid for a 30-day period. After the 30-day period the RMA will be cancelled. Any shipments
received not consistent with the RMA, or after the RMA is cancelled, will be refused. AMX is not responsible
for products returned without a valid RMA number.
Warranty Repair Policy
•
AMX will repair any defect due to material or workmanship issues during the applicable warranty period at no cost to the AMX
Authorized Partner, provided that the AMX Authorized Partner is responsible for in-bound freight and AMX is responsible for outbound ground freight expenses.
•
The AMX Authorized Partner must contact AMX Technical Support to validate the failure before pursuing this service.
•
AMX will complete the repair and ship the product within five (5) business days after receipt of the product by AMX. The AMX
Authorized Partner will be notified if repair cannot be completed within five (5) business days.
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Products repaired will carry a ninety (90) day warranty or the balance of the remaining warranty, whichever is greater.
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Products that are returned and exhibit signs of damage or unauthorized use will be processed under the Non-Warranty Repair
Policy.
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AMX will continue to provide Warranty Repair Services for products discontinued or replaced by a Product Discontinuance
Notice.
Non-Warranty Repair Policy
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Products that do not qualify to be repaired under the Warranty Repair Policy due to age of the product or Condition of the
product may be repaired utilizing this service.
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The AMX Authorized Partner must contact AMX Technical Support to validate the failure before pursuing this service.
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Non-warranty repair is a billable service.
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Products repaired under this policy will carry a ninety (90) day warranty on material and labor.
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AMX will notify the AMX Authorized Partner with the cost of repair, if cost is greater than the Standard Repair Fee, within five (5)
days of receipt.
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The AMX Authorized Partner must provide a Purchase Order or credit card number within five (5) days of notification, or the
product will be returned to the AMX Authorized Partner.
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The AMX Authorized Partner will be responsible for in-bound and out-bound freight expenses.
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Products will be repaired within ten (10) business days after AMX Authorized Partner approval is obtained.
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Non-repairable products will be returned to the AMX Authorized Partner with an explanation.
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See AMX Non-Warranty Repair Price List for minimum and Standard Repair Fees and policies.
Software License and Warranty Agreement
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Contents
Contents
ESD Warning .......................................................................................................1
Important Safety Information & Instructions .......................................................2
Information et directives de sécurité importantes...............................................3
Notices ................................................................................................................4
Overview & General Specifications .....................................................................7
Applicability Notice ................................................................................................................. 7
Product Notes ......................................................................................................................... 8
Front View ............................................................................................................................... 9
Rear View ................................................................................................................................ 9
Precis LT General Specifications ........................................................................................... 11
Control Options..................................................................................................................... 12
Installation & Setup ...........................................................................................13
Site Recommendations .......................................................................................................... 13
General Hazard Precautions .................................................................................................. 13
Unpacking.............................................................................................................................. 14
Rack Installation & System Setup .......................................................................................... 15
Attaching an External Controller ........................................................................................... 17
Attaching Inputs & Outputs................................................................................................... 20
Applying Power & Startup..................................................................................................... 26
Serial Control Device Startup ................................................................................................ 27
Executing a Test Switch......................................................................................................... 28
Troubleshooting .................................................................................................................... 30
Technical Support.................................................................................................................. 31
Signal Specifications ..........................................................................................33
Precis LT Composite Video & Stereo Audio Specifications.................................................... 33
Precis LT S-Video & Stereo Audio Specifications................................................................... 34
Precis LT Component Video & Stereo Audio Specifications .................................................. 35
Precis LT RGBHV Video & Stereo Audio Specifications ......................................................... 36
Control Panel Operation ...................................................................................37
Control Keys.......................................................................................................................... 38
Executing & Disconnecting Switches ..................................................................................... 39
Verifying Signal Status........................................................................................................... 41
Locking & Unlocking the Control Panel ................................................................................. 42
Precis LT Instruction Manual
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Contents
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Precis LT Instruction Manual
ESD Warning
ESD Warning
To avoid ESD (Electrostatic Discharge) damage to sensitive components, make sure you are properly
grounded before touching any internal materials.
When working with any equipment manufactured with electronic devices, proper ESD grounding
procedures must be followed to ensure people, products, and tools are as free of static charges as
possible. Grounding straps, conductive smocks, and conductive work mats are specifically designed for
this purpose.
Anyone performing field maintenance on AMX AutoPatch equipment should use an appropriate ESD
field service kit complete with at least a dissipative work mat with a ground cord and a UL listed
adjustable wrist strap with another ground cord. These items should not be manufactured locally, since
they are generally composed of highly resistive conductive materials to safely drain static charges,
without increasing an electrocution risk in the event of an accident. ESD protective equipment can be
obtained from 3M™, Desco®, Richmond Technology®, Plastic Systems®, and other such vendors.
Precis LT Instruction Manual
1
Important Safety Information & Instructions
Important Safety Information & Instructions
When using and installing your AMX AutoPatch product, adhere to the following basic safety
precautions. For more information about operating, installing, or servicing your AMX AutoPatch
product, see your product documentation.
Read and understand all instructions before using and installing AMX AutoPatch products.
Use the correct voltage range for your AMX AutoPatch product.
There are no user serviceable parts inside an AMX AutoPatch product; service should only be
done by qualified personnel.
If you see smoke or smell a strange odor coming from your AMX AutoPatch product, turn it
off immediately and call technical support.
For products with multiple power supplies in each unit, make sure all power supplies are
turned on simultaneously.
Use surge protectors and/or AC line conditioners when powering AMX AutoPatch products.
Only use a fuse(s) with the correct fuse rating in your enclosure.
Make sure the power outlet is close to the product and easily accessible.
Make sure the product is on or attached to a stable surface.
Turn off equipment before linking pieces together, unless otherwise specified in that product’s
documentation.
For safety and signal integrity, use a grounded external power source and a grounded power
connector.
To avoid shock or potential ESD (Electrostatic Discharge) damage to equipment, make sure
you are properly grounded before touching components inside an AMX AutoPatch product.
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Precis LT Instruction Manual
Information et directives de sécurité importantes
Information et directives de sécurité
importantes
Veuillez vous conformer aux directives de sécurité ci-dessous lorsque vous installez et utilisez votre
appareil AMX AutoPatch. Pour de plus amples renseignements au sujet de l’installation, du
fonctionnement ou de la réparation de votre appareil AMX AutoPatch, veuillez consulter la
documentation accompagnant l’appareil.
Lisez attentivement toutes les directives avant d’installer et d’utiliser les appareils AMX
AutoPatch.
Le voltage doit être approprié à l’appareil AMX AutoPatch.
Les appareils AMX AutoPatch ne contiennent aucune pièce réparable par l’usager; la
réparation ne doit être effectuée que par du personnel qualifié.
Si de la fumée ou une odeur étrange se dégagent d’un appareil AMX AutoPatch, fermez-le
immédiatement et appelez le Service de soutien technique.
Veillez à ce que tous les blocs d’alimentation des appareils dotés de blocs d’alimentation
multiples dans chaque unité soient allumés simultanément.
Servez-vous de protecteurs de surtension ou de conditionneurs de lignes à courant alternatif
lorsque vous mettez les appareils AMX AutoPatch sous tension.
Placez uniquement des fusibles de calibre exact dans les boîtiers.
Veillez à ce que la prise de courant soit proche de l’appareil et facile d’accès.
Veillez à ce que votre appareil AMX AutoPatch soit installé sur une surface stable ou qu’il
y soit fermement maintenu.
Fermez toutes les composantes de l’équipement avant de relier des pièces, à moins
d’indication contraire fournie dans la documentation de l’appareil.
Par mesure de sécurité et pour la qualité des signaux, servez-vous d’une source d’alimentation
externe mise à la terre et d’un connect d’alimentation mis à la terre.
Pour éviter les chocs ou les dommages éventuels causés à l’équipement par une décharge
électrostatique, veillez à ce le dispositif oit bien relié à la terre avant de toucher les
composantes se trouvant à l’intérieur d’un appareil AMX AutoPatch.
Precis LT Instruction Manual
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Notices
Notices
Copyright Notice
AMX© 2009 (Rev C), all rights reserved. No part of this publication may be reproduced, stored in a
retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying,
recording, or otherwise, without the prior written permission of AMX. Copyright protection claimed
extends to AMX hardware and software and includes all forms and matters copyrightable material and
information now allowed by statutory or judicial law or herein after granted, including without
limitation, material generated from the software programs which are displayed on the screen such as
icons, screen display looks, etc. Reproduction or disassembly of embodied computer programs or
algorithms is expressly prohibited.
No patent liability is assumed with respect to the use of information contained herein.
Liability Notice
While every precaution has been taken in the preparation of this publication, AMX assumes no
responsibility for error or omissions. No liability is assumed for damages resulting from the use of the
information contained herein.
Further, this publication and features described herein are subject to change without notice.
USFCC Notice
The United States Federal Communications Commission (in 47CFR 15.838) has specified that the
following notice be brought to the attention of the users of this product.
Federal Communication Commission Radio Frequency Interference Statement:
“This equipment generates and uses radio frequency energy and if not installed and used properly, that
is, in strict accordance with the manufacturers instructions, may cause interference to radio and
television reception. It has been type-tested and found to comply with the limits for a Class B computing
device in accordance with the specifications in Subpart J of Part 15 of FCC Rules, which are designed to
provide reasonable protection against such interference in a residential installation. However there is no
guarantee that interference will not occur in a particular installation. If this equipment causes
interference to radio or television reception, which can be determined by turning the equipment off and
on, the user is encouraged to try to correct the interference by one or more of the following measures:
Re-orient the receiving antenna
Relocate the matrix with respect to the receiver
Move the matrix away from the receiver
Plug the matrix into a different outlet so that computer and receiver are on different branch
circuits
If necessary, the user should consult the dealer or an experienced radio/television technician for
additional suggestions. The user may find the booklet, How to Identify and Resolve Radio-TV
Interference Problems, prepared by the Federal Communications Commission to be helpful.”
This booklet is available from the U.S. Government Printing Office, Washington, D.C. 20402, Stock N.
004-000-00345-4.
Use shielded cables. To comply with FCC Class B requirement, all external data interface cables and
adapters must be shielded.
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Precis LT Instruction Manual
Notices
Lithium Batteries Notice
Switzerland requires the following notice for products equipped with lithium batteries. This notice is not
applicable for all AMX equipment.
Upon shipment of the products to Switzerland, the requirements of the most up-to-date Swiss Ordinance
Annex 4.10 of SR 814.013 will be met by providing the necessary documents and annual reports relative
to the disposal of the batteries to the Swiss Authorities.
Trademark Notices
AMX®, AutoPatch®, and NetLinx® are trademarks of AMX.
Windows®, Windows 2000®, Windows NT®, and Windows XP Professional® are registered trademarks
of Microsoft Corporation.
HyperTerminal® is a copyright product of Hilgraeve Inc.
3M™, Desco®, Richmond Technology®, and Plastic Systems® are registered trademarks.
Neuron® and LonTalk® are registered trademarks of Echelon.
TosLink® is a registered trademark of the Toshiba Corporation.
Ethernet® is a registered trademark of the Xerox Corporation.
Other products mentioned herein may be the trademarks of their respective owners.
Warnings & Cautions
This manual uses the following conventions and icons to draw attention to actions or conditions that
could potentially cause problems with equipment or lead to personal risk.
ESD Warning: The icon to the left indicates text regarding potential danger associated with the
discharge of static electricity from an outside source (such as human hands) into an integrated
circuit, often resulting in damage to the circuit.
Warning: The icon to the left indicates text that warns readers against actions or conditions
that could cause potential injury to themselves.
Caution: The icon to the left indicates text that cautions readers against actions that could
cause potential injury to the product or the possibility of serious inconvenience.
Precis LT Instruction Manual
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Notices
6
Precis LT Instruction Manual
Overview & General Specifications
Overview & General Specifications
Applicability Notice
The information in this manual applies to the following Precis LT Distribution Matrix models.
To see other types of Precis systems, visit www.amx.com.
Precis LT Systems
Model
Configuration
Description
FGP37-0404-115
4x4
Composite Video with BNC, Stereo Audio with 5T Phoenix-style
FGP37-0408-115
4x8
Composite Video with BNC, Stereo Audio with 5T Phoenix-style
FGP37-0804-115
8x4
Composite Video with BNC, Stereo Audio with 5T Phoenix-style
FGP37-0808-115
8x8
Composite Video with BNC, Stereo Audio with 5T Phoenix-style
FGP37-0404-615
4x4
S-Video with 4-pin DIN, Stereo Audio with 5T Phoenix-style
FGP37-0408-615
4x8
S-Video with 4-pin DIN, Stereo Audio with 5T Phoenix-style
FGP37-0804-615
8x4
S-Video with 4-pin DIN, Stereo Audio with 5T Phoenix-style
FGP37-0808-615
8x8
S-Video with 4-pin DIN, Stereo Audio with 5T Phoenix-style
FGP37-0404-345
4x4
Component Video with BNC, Stereo Audio with 5T Phoenix-style
FGP37-0408-345
4x8
Component Video with BNC, Stereo Audio with 5T Phoenix-style
FGP37-0804-345
8x4
Component Video with BNC, Stereo Audio with 5T Phoenix-style
FGP37-0808-345
8x8
Component Video with BNC, Stereo Audio with 5T Phoenix-style
FGP37-0404-A43
4x4
Component Video with RCA, Stereo Audio with RCA
FGP37-0408-A43
4x8
Component Video with RCA, Stereo Audio with RCA
FGP37-0804-A43
8x4
Component Video with RCA, Stereo Audio with RCA
FGP37-0808-A43
8x8
Component Video with RCA, Stereo Audio with RCA
FGP37-0404-844
4x4
RGBHV with HD-15, Stereo Audio with 3T Phoenix-style
FGP37-0408-844
4x8
RGBHV with HD-15, Stereo Audio with 3T Phoenix-style
FGP37-0804-844
8x4
RGBHV with HD-15, Stereo Audio with 3T Phoenix-style
FGP37-0808-844
8x8
RGBHV with HD-15, Stereo Audio with 3T Phoenix-style
Note: All Precis LT systems have an integral front mounted control panel.
Precis LT Instruction Manual
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Overview & General Specifications
Product Notes
The Precis LT system is a compact, fixed, stand-alone routing system that is pre-engineered to fit in a
broad range of video and audio environments. Precis LT systems route and distribute component HDTV
and stereo audio simultaneously or separately. Several models available are designed to fit small to
mid-range applications such as boardrooms, sports bars, video conferencing, retail, security, and portable
command-and-control centers.
All Precis LT models are controllable from the featured front mounted control panel or any control
device that can send and receive ASCII characters through an RS-232 serial cable.
Because the Precis LT is available in two sizes (1 RU and 2 RU) and various configurations, the
illustrations in this manual may differ slightly from the model(s) you purchased.
Precis LT Features
Ultra-flat video bandwidth curve measured at a tight ±3 dB
Supports full Device Discovery through AMX’s AutoPatch Duet module (firmware v.1.4.0 or
higher is required; see FIG. 23 on page 27)
RS-232 control port
Supports AMX AutoPatch’s simple BCS serial control protocol
Breakaway to route video, audio, or video and audio
Front panel security lockout
Limited Warranty (see warranty at www.amx.com or on the AMX AutoPatch CD)
24-hour technical support
Precis LT Control Features
Several control options are available in addition to the standard front mounted control panel. Multiple
control methods can be used on the same system.
Standard front mounted control panel
AMX Control Device (for control programming information, see the instruction manual for
the specific interface)
Ships with free APControl 3.0 software to provide single-user PC control of the Precis LT
Optional TCP/IP control via an external APWeb module
Supports AMX AutoPatch’s simple BCS* (Basic Control Structure) serial control protocol
Supports third-party controllers
* BCS is sent as ASCII characters through the Control port. For information on BCS commands, see the
BCS Protocol Instruction Manual on the AMX AutoPatch CD or at www.amx.com.
Note: Features and specifications described in this document are subject to change without notice.
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Precis LT Instruction Manual
Overview & General Specifications
Front View
The enclosure is the structural basis of Precis LT systems. All Precis LT systems have an integral front
mounted control panel for controlling the system’s switches and system attributes (FIG. 1). The control
panel can also be used for system verification, redundant control, and troubleshooting. Directions for use
are provided in the “Control Panel Operation” chapter on page 37. For additional control options,
see page 12.
Power Indicator LED
FIG. 1 Front view (8x8 model shown)
Rear View
The enclosure’s appearance, as viewed from the rear, will vary depending on the model type and the
configuration.
Precis LT 8x8 Composite Video with BNC, Stereo Audio with 5T Phoenix-style
Precis LT 8x8 S-Video with 4-pin DIN, Stereo Audio with 5T Phoenix-style
Precis LT 8x8 Component Video with RCA, Stereo Audio with RCA
Precis LT 8x8 Component Video with BNC, Stereo Audio with 5T Phoenix-style
Precis LT 8x8 RGBHV with HD-15, Stereo Audio with 3T Phoenix-style
FIG. 2 Precis LT rear views
Precis LT Instruction Manual
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Overview & General Specifications
Rear View Components
Control (serial) port
Power receptacle, switch, and power specifications
System serial number
Input and output connectors
The following sections briefly introduce the hardware on the rear of the enclosure.
Control Port
Precis LT enclosures have a serial (RS-232) port, which is labeled “Control,” for attaching a PC or an
external control device (FIG. 3).
Power receptacle
Power switch & power specifications
Control port
Audio inputs
Video inputs
Audio outputs
Video outputs
FIG. 3 Rear view components (Precis LT 8x8 S-Video with 4-pin DIN, Stereo Audio with 5T Phoenix-style model shown)
Power Receptacle and Switch
The universal power receptacle is in the upper left hand corner on the rear of the enclosure (FIG. 3).
Maximum power specifications are between the power receptacle and the switch. The power receptacle
will accept all major international standard power sources. (A standard US power cord is included with
all shipments within the US.)
Input and Output Connectors
Input and output connectors are the attachment points for source and destination devices that connect to
the system. Viewed from the rear, on some models video inputs and outputs are side-by-side on the left
side of the enclosure and audio input and output connectors are side-by-side on the right. On other
models, video inputs are above audio inputs on the left side of the enclosure and video outputs are above
audio outputs on the right.
For specific information on the input and output connectors in your system, including cabling directions,
see “Attaching Inputs & Outputs” on page 20.
Serial Number
Viewed from the rear, the system’s serial number is located on the left side of the enclosure near the
power receptacle. Before installation, we recommend recording the system’s serial number in an easily
accessible location.
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Precis LT Instruction Manual
Overview & General Specifications
Precis LT General Specifications
General Specifications
Parameter
Value
Approvals
CE, UL, cUL
Humidity
0 to 90% non-condensing
Operational Temperature
32° F to 110° F (0° C to 43° C)
Storage Temperature
RGBHV + Stereo models
-4° F to +158° F (-20° C to +70° C)
AC Power
100 VAC to 240 VAC single phase, 50 Hz to 60 Hz
Dimensions
Depth
Width with rack ears
Width without rack ears
Height 2 RU models
Height 1 RU models
10.4 in. (26.42 cm)
19.0 in. (48.26 cm)
17.4 in. (44.20 cm)
3.5 in. (8.89 cm)
1.7 in. (4.32 cm)
Weight
2 RU models
1 RU models
Approximately 10.5 lb. (4.76 kg) per enclosure
Approximately 7.0 lb. (3.18 kg) per enclosure
Power & Thermal Dissipation Specifications
Composite Video & Stereo Audio Models
Power Consumption (max.)
Power Consumption (typical)
Thermal Dissipation (max.)
Thermal Dissipation (typical)
35 Watts
20 Watts per fully loaded enclosure
119 BTU/hr.
68 BTU/hr. per fully loaded enclosure
S-Video & Stereo Audio Models
Power Consumption (max.)
Power Consumption (typical)
Thermal Dissipation (max.)
Thermal Dissipation (typical)
35 Watts
20 Watts per fully loaded enclosure
119 BTU/hr
68 BTU/hr. per fully loaded enclosure
Component Video & Stereo Audio Models
Power Consumption (max.)
Power Consumption (typical)
Thermal Dissipation (max.)
Thermal Dissipation (typical)
60 Watts
35 Watts per fully loaded enclosure
205 BTU/hr.
119 BTU/hr. per fully loaded enclosure
RGBHV Video & Stereo Audio Models
Power Consumption (max.)
Power Consumption (typical)
Thermal Dissipation (max.)
Thermal Dissipation (typical)
60 Watts
35 Watts per fully loaded enclosure
205 BTU/hr.
119 BTU/hr. per fully loaded enclosure
For individual signal information and specifications, see “Signal Specifications” on page 33.
AMX reserves the right to modify its products and their specifications without notice.
Precis LT Instruction Manual
11
Overview & General Specifications
Control Options
Levels for Switching
The Precis LT was pre-engineered at the factory to execute switches on VM 0 (the default level of
audio-follow-video), VM 1 (video), and VM 2 (audio).
Front Mounted Control Panel
Precis LT systems can be controlled with the control panel (see “Control Panel Operation” on page 37)
or with one of the following external control options.
AMX Control Devices
Precis LT enclosures are compatible with a number of AMX control devices. For control programming
information, see the instruction manual for the specific interface.
Control Software
Precis LT enclosures can be controlled using AMX AutoPatch software:
APControl 3.0 – Control and scheduling
Runs on a PC connected to the Control (serial) port on the enclosure
Download* from the AMX AutoPatch CD
APWeb Server (TCP/IP) – Control, diagnostics, and third-party access
Uses the Control port on the enclosure for connecting to an APWeb Server Module
Accessed through a TCP/IP interface, such as, a web browser (e.g., Internet Explorer)
Contact AMX regarding limitations and conditions for operating a Precis LT on a
company LAN (Local Area Network)
* If your AMX account has the required permissions, the program can be downloaded from
www.amx.com.
BCS Serial Control Protocol
A Precis LT system can be controlled with an external serial controller that sends and receives ASCII
characters via the Control port. AMX AutoPatch has developed a command language, BCS
(Basic Control Structure) protocol, for programming control operations and for diagnostic purposes.
BCS commands* can be entered into a terminal emulation program (e.g., HyperTerminal) running on
a PC.
* For information on BCS commands, see the BCS Protocol Instruction Manual on the AMX AutoPatch
CD or at www.amx.com.
Third-Party Controllers
A third-party controller can also be attached to a Precis LT enclosure via the Control port. If using a
third-party controller, see the controller documentation for operating instructions.
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Precis LT Instruction Manual
Installation & Setup
Installation & Setup
Site Recommendations
When placing the enclosure, follow the recommendations and precautions in this section to reduce
potential installation and operation hazards.
Environment
Choose a clean, dust free, (preferably) air-conditioned location.
Avoid areas with direct sunlight, heat sources, or high levels of EMI
(Electromagnetic Interference).
To make control panel operation easier, mount the enclosure with the control panel in the rack
at eye level.
Chassis Accessibility
Make sure the front is accessible, so that you can monitor the LED indicator. Leaving adequate clearance
at the rear will also allow for easier cabling and service.
Power
The source’s electrical outlet should be installed near the router, easily accessible, and properly
grounded. Power should come from a building branch circuit. We recommend using a dedicated line for
the system’s power. Use a minimum breaker current rating of 15 A for 110 V or 30 A for 230 V.
To avoid an overload, note the power consumption rating of all the equipment connected to the circuit
breaker before applying power.
General Hazard Precautions
These recommendations address potential hazards that are common to all installations:
Elevated Operating Temperature
The maximum rated ambient temperature for Precis LT enclosures is 110° F (43° C).
All equipment should be installed in an environment compatible with the manufacturer’s maximum
rated ambient temperature. In a closed or multi-unit rack assembly, the operating ambient temperature of
the rack environment may be greater than the ambient room temperature.
Caution: To protect the equipment from overheating, do not operate in an area that exceeds
110° F (43° C) and follow the clearance recommendation below for adequate airflow.
Airflow Restriction
Precis LT enclosures are designed to adequately dissipate the heat they produce under normal operating
conditions; however, this design is defeated when high-heat producing equipment is placed directly
above or below an enclosure.
Caution: To prevent overheating, avoid placing high-heat producing equipment directly above or
below the enclosure. The system requires a minimum of one empty rack unit above and below.
Mechanical (Rack) Loading
When installing equipment in a rack, distribute the weight to avoid uneven mechanical loading.
Precis LT Instruction Manual
13
Installation & Setup
Circuit Overloading
When connecting the equipment to the supply circuits, be aware of the effect that overloading the circuits
might have on over-current protection and supply wiring.
Reliable Earthing (Grounding)
Reliable earthing of rack-mounted equipment should be maintained. If not using a direct connection to the
branch circuit (e.g., plugging into a power strip), pay particular attention to supply connections.
Caution: For proper start up, turn on all power switches for the AMX AutoPatch equipment at the same
time before applying power to the source and destination devices. We recommend attaching all power
cords to a surge protector and/or an AC line conditioner.
Unpacking
The Precis LT is shipped with one enclosure per shipping box. The invoice is sent separately; a packing list
is attached to the outside of each box. Each box contains the following items:
Enclosure
Standard US power cord (if shipped within the US)
Rack ears
Other enclosure products as needed
The documentation in the first box includes:
AMX AutoPatch Precis LT Quick Start Guide
AMX AutoPatch CD
The shipping boxes are marked as “Chassis __ of __,” where the first blank is the box number and the second
blank is the total number of boxes in the shipment.
Unpacking Tips
Before fully unpacking the enclosure(s), inspect the shipping box(es) for any signs of damage. If a
box is partially crushed or any sides have been broken open, notify the shipping agency
immediately and contact your AMX representative (see the warranty on the AMX AutoPatch CD
or at www.amx.com).
Once unpacking is complete, closely check the physical condition of the enclosure.
Collect all documentation.
Note: Please save the original shipping container and packing materials. AMX is not responsible for
damage caused by insufficient packing during return shipment to the factory. Shipping boxes are
available; contact your AMX representative for details.
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Precis LT Instruction Manual
Installation & Setup
Rack Installation & System Setup
The Precis LT Distribution Matrix enclosure can be mounted in a standard EIA 19 in. (48.26 cm) rack
(rack ears are provided).
Important: The system requires one empty rack unit above and below the enclosure to allow
adequate airflow.
Required items for rack installation:
Enclosure
Standard EIA 19 in. (48.26 cm) rack
Rack ears
Screwdriver
Screws that fit your rack for mounting the enclosure
Power cord
Optional items
Surge-protector – highly recommended
PC or laptop computer with a null modem cable (for communication with the Precis LT via
the Control port)
Installation Recommendations
Write the system’s serial number in an easily accessible location before installing the
Precis LT in a rack. Viewed from the rear, the system’s serial number is located on the left side
near the power receptacle.
Use an earth-grounded power cord / system with the Precis LT.
Attach the power cord to a surge protector and/or an AC line conditioner.
Apply power to the Precis LT enclosure before applying power to its source
and destination devices.
Installation Procedure
A flow chart showing the installation sequence is in FIG. 4. The procedure, which follows, provides
general steps with references to detailed information found in later sections of the manual.
FIG. 4 Installation procedure
Caution: To prevent overheating and airflow restriction, avoid placing high-heat producing
equipment directly above or below the enclosure. The system requires a minimum of one empty rack
unit above and below. Verify that the openings on the sides of the enclosure are not blocked and do
not have restricted air flow.
Precis LT Instruction Manual
15
Installation & Setup
To install and set up a Precis LT system in a rack:
1.
On the side of the Precis LT, remove the bottom two screws closest to the front panel (FIG. 5).
Align the holes on one of the rack ears with the empty holes on the side of the enclosure and replace
the screws (three screws for the 1 RU; four screws for the 2 RU).
Repeat for the other rack ear.
Front Panel
Front Panel
Insert
Insert
Remove/Replace
Remove/Replace
1 RU
2 RU
FIG. 5 Attach rack ears to sides of enclosure
2.
Place the enclosure in the rack and attach front-mounting screws to hold it firmly in place.
FIG. 6 Place enclosure in rack and secure with screws
Tip: When placing enclosures, keep in mind that the optimal viewing angle for a control panel is eye
level.
3.
Attach only the first two source devices and the first two destination devices; see “Attaching Inputs
& Outputs” on page 20.
Do not apply power to the devices until after the Precis LT has power (Step 5).
4.
Optional – Establish communication with an external control device/system; see “Attaching an
External Controller” on page 17.
5.
Apply power to the system according to the power-up procedure; see “Applying Power & Startup”
on page 26.
Note: We recommend using surge protectors and/or AC line conditioners.
16
6.
Execute a test switch to ensure the system is working properly; see “Executing a Test Switch” on
page 28.
7.
When the test switch works correctly, attach the remaining source and destination devices.
Precis LT Instruction Manual
Installation & Setup
Attaching an External Controller
Note: The Precis LT has a fixed configuration that was programmed at the factory.
The Precis LT can be controlled externally by attaching an external control device using one of the
following communication protocols to the Control port:
BCS (Serial) – ASCII sent over a null modem serial cable
XNNet – AMX AutoPatch protocol
Control Options
The communication protocols listed above are used for these control options:
AMX Control Devices
Precis LT enclosures are compatible with a number of AMX control devices. For control programming
information, see the instruction manual for the specific interface.
APControl 3.0 (Serial)
APControl 3.0 software (for control and scheduling) runs on a PC connected to a Precis LT and is
available on the AMX AutoPatch CD.
APWeb (TCP/IP)
The APWeb Server (for control, diagnostics, and third-party access) is accessed through a TCP/IP
interface, such as a web browser (e.g., Internet Explorer). An APWeb Server module is required for
APWeb. For setup and operation information, see the APWeb Server Module’s documentation on the
AMX AutoPatch CD and at www.amx.com.
Important: Contact AMX regarding limitations and conditions for operating a Precis LT on a company
LAN.
XNNet Protocol (Serial)
Advanced programmers who want to design their own control programs can use AMX AutoPatch XNNet
protocol. The AMX AutoPatch CD includes the XNNet Communication Library, an interface library that
supports C, Java, and Visual Basic and has examples of the XNNet protocol in use.
BCS (Serial) Control
AMX AutoPatch has developed a command language, BCS (Basic Control Structure), for executing
control operations and for diagnostic purposes. BCS commands are issued via a terminal emulation
program, such as Windows® HyperTerminal. For information on BCS commands, see the
BCS Protocol Instruction Manual on the AMX AutoPatch CD or at www.amx.com.
Third-Party Controllers (Serial)
If using a third-party controller, see the controller documentation for setup and operating instructions.
Precis LT Instruction Manual
17
Installation & Setup
Attaching Serial Controllers
An external serial controller is any device that can send and receive ASCII code over an RS-232
(null modem) serial cable attached to the Control port on the rear of the enclosure. PCs are common
serial controllers. Once a PC is attached to the Precis LT, the system can be controlled by running
APControl software on the attached PC (see the AMX AutoPatch CD). The system can also be controlled
by entering BCS commands into a terminal emulation program (e.g., HyperTerminal). For information
on BCS commands, see the BCS Protocol Instruction Manual on the AMX AutoPatch CD or at
www.amx.com.
PC Requirements for APControl 3.0
Windows XP Professional® or Windows 2000®
Java Runtime Environment (JRE): v1.4.2 or the latest version
Minimum Hardware: 166 MHz, 128 MB RAM, 20 MB free disk space, 800x600 display
Recommended Hardware: 2.0 GHz, 512 MB RAM, 20 MB free disk space,
1280x1024 display
Serial port
PC Requirements for BCS
Windows XP Professional® or Windows 2000®
Terminal emulation program
Serial port
RS-232 Pin Diagram
FIG. 7 RS-232 null modem pin diagram, no hardware flow control
To establish external serial control:
1.
Use a null modem cable that matches the pin diagram in FIG. 7 for RS-232 without hardware flow
control. AMX AutoPatch equipment requires pins 2, 3, and 5 only.
2.
Plug one end of the null modem serial cable into the Control port on the enclosure (FIG. 8).
FIG. 8 Attach null modem serial cable to Control port
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Precis LT Instruction Manual
Installation & Setup
3.
Plug the other end of the serial cable into the serial port on the serial controller.
4.
Open the serial communication software and set the port settings to
match the Precis LT settings (see the table to the right).
The settings on the PC serial communication software and the
enclosure must correspond to each other. If a change is required to
make them match, change the PC’s settings.
Caution: To avoid system damage, follow the power-up sequence on
page 26. We recommend attaching all power cords to surge
protectors and/or AC line conditioners.
serial port settings
Precis LT
Control Port Settings
Baud Rate
Data Bits
Parity
Stop Bits
Flow Control
9600
8
None
1
None
5.
If not already on, apply power first to the Precis LT enclosure and then to the source and destination
devices (see “Applying Power & Startup” on page 26).
6.
Setup and run the desired method of control:
AMX Control Device – For control programming information, see the instruction manual for
the specific interface.
APControl 3.0 – Install and open the program from the AMX AutoPatch CD (if your AMX
account has the required permissions, the program can be downloaded from www.amx.com).
From the APControl Launchbar menu, select System / New; select Heritage System / Next;
select Manual Configuration Entry / Next; enter VMs and number of inputs and outputs; click
Add VM / Next; finish Wizard instructions.
Terminal emulation (HyperTerminal) – Open the program, select the COM port, and check
that the settings match those in the Precis LT Control Port Settings table (see above).
Click OK.
A short splash screen appears.
7.
Execute a test switch to ensure the Precis LT is working properly (see “Executing a Test Switch,” on
page 28).
Precis LT Instruction Manual
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Installation & Setup
Attaching Inputs & Outputs
On the rear of the enclosure, input and output connectors are the attachment points for source and
destination devices that connect to the system. On some models video inputs and outputs are side-by-side
on the left and audio input and output connectors are side-by-side on the right (FIG. 9). On other models,
video inputs are above audio inputs on the left and video outputs are above audio outputs on the right.
The number and type of connectors depend on the signal type and system configuration. Input and output
connectors are numbered separately. The connector numbers are either directly above or below each
connector (or connector set) and read left to right.
Before connecting all input and output cables and wires, attach only the first two inputs and outputs and
execute a test switch (see page 28). Depending on the signal type (e.g., three-component signals), you may
need to attach multiple input and output connectors to route the entire signal.
When the test switch is successful, attach the rest of the input and output cables/wires.
Audio
Inputs Outputs
Video
Inputs
Outputs
Video Inputs
Audio Inputs
Video Outputs
Audio Outputs
FIG. 9 Numbering starts at left for input & output connectors
Signal Types
Depending on the model, signal types and connectors for a Precis LT enclosure could include those listed in
the table below.
Signal Type
Connector Type
Composite Video
RCA or BNC
S-Video
S-Video, locking S-Video
Three-component video (Y/Pb/Pr or RGsB) RCA or BNC
RGBHV
HD-15
Stereo Audio (balanced or unbalanced)
RCA or pluggable 5-position terminal block
Stereo Audio (unbalanced)
Pluggable 3-position terminal block
For information and specifications for specific signals, see “Signal Specifications” on page 33.
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Precis LT Instruction Manual
Installation & Setup
Attaching Video Cables
Standard Video
The video BNC connectors are color coded; the white BNC connectors are inputs and the black BNC
connectors are outputs.
To attach BNC cables:
1.
Fasten the cable connectors onto the input and output BNC connectors (FIG. 10).
FIG. 10 Fasten cable connector onto BNC connector
S-Video
The Precis LT S-Video models are equipped with locking S-Video connectors. When used in conjunction
with AMX AutoPatch manufactured S-Video cables, the cable connectors lock into the Precis LT
connectors. Cables with standard S-Video connectors may be used, but will not lock.
To attach S-Video cables:
1.
Fasten the cable connectors onto the input and output S-Video connectors (FIG. 11).
FIG. 11 Fasten cable connector to the S-Video connector
Caution: The connector or the Precis LT may be damaged by pulling on the cable instead of the
housing to remove a locking S-Video connector.
To attach locking S-Video cables:
1.
Hold the connector at a slight angle to the right while pushing in.
Or
Pull back on the housing of the connector (FIG. 12) while pushing the connector in.
Housing
FIG. 12 Pull back housing to fasten or unfasten locking S-Video connectors
To remove locking S-Video cables:
Pull back on the housing of the connector (FIG. 12).
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Installation & Setup
Component Video (BNC)
You will need to attach cables to all corresponding video input and output connectors to route the entire
video signal. In the connector option shown in FIG. 13, three BNC cables are attached for routing a
three-component signal as Input 1.
FIG. 13 Attach multiple cables to route entire video signal
To attach BNC cables:
1.
Fasten the cable connectors onto the input and output BNC connectors.
RGBHV
To connect HD-15 cables:
1.
Fasten the cables onto the input and output HD-15 connectors (FIG. 14).
FIG. 14 Fasten cables onto HD-15 connectors
HD-15 Pinout
RGBHV/HD-15 connectors use the pinouts in FIG. 15.
FIG. 15 HD-15 input & output board connector pinout
Note: 55 mA supplied on output pin 9; power draw not to exceed 50 mA per port.
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Precis LT Instruction Manual
Installation & Setup
Attaching Audio Wires
The stereo audio connectors for the Precis LT are: pluggable 3-position terminal block (RGBHV with
HD-15 models only), pluggable 5-position terminal block, and RCA. For information on 3-position and
5-position terminal block, see below. For information on RCA connectors, see page 25.
For stereo audio specifications, see “Signal Specifications” on page 33.
Standard Audio Connectors
Three-position terminal block connectors are wired for unbalanced (single-ended) stereo audio
(FIG. 16). Five-position terminal block connectors can be wired for balanced (differential) or unbalanced
(single-ended) stereo audio (FIG. 17).
Wiring Sources & Destinations
Source and destination devices require either balanced (differential) or unbalanced (single-ended)
connections. FIG. 16 and FIG. 17 illustrate the options for wiring between sources and input connectors
and between output connectors and the destinations. More than one option can be used in the same
system. For 3-position and 5-position terminal block wiring instructions, see page 24.
FIG. 16 Options for source-to-Precis LT-to-destination 3-Term wiring (RGBHV with HD-15 models only)
FIG. 17 Options for source-to-Precis LT-to-destination 5-Term wiring
Precis LT Instruction Manual
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Installation & Setup
Stereo Audio 3-position Terminal Block – RGBHV with HD-15 Models Only
To attach stereo audio input and output wires:
1.
Unscrew the clamps on the audio connector.
2.
Insert the wires and firmly re-tighten the clamps to make secure connections.
FIG. 18 shows wire placement for single-ended stereo.
FIG. 18 Insert wires & re-tighten clamps
Stereo Audio 5-Position Terminal Block
To attach stereo audio input and output wires:
1.
Unscrew the clamps on the audio connector.
2.
Insert the wires and firmly re-tighten the clamps to make secure connections.
For balanced audio wire placement, see the left wiring diagram in FIG. 19.
For unbalanced audio wire placement, see the right wiring diagram in FIG. 19.
Balanced
Unbalanced
FIG. 19 Insert wires & re-tighten clamps
Note: For stereo audio signals using twisted pair wire, connect the shield (ground) only at one end
(recommend receiving end) to minimize low frequency noise.
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Precis LT Instruction Manual
Installation & Setup
Attaching Video & Audio RCA Cables
Precis LT Component Video models have two connector options: RCA jacks for both video and audio, or
BNC video connectors and 5-position terminal block audio connectors.
RCA Video & Audio Connectors
You will need to attach cables to all corresponding video and audio input and output connectors to route
the entire signal. In the connector option shown in FIG. 20, five RCA cables are attached for routing
Y/Pb/Pr and stereo audio source signals as Input 1.
FIG. 20 Attach multiple cables to route entire signal
To attach RCA cables:
1.
Insert the RCA plugs into the input and output RCA jacks.
Video Routing Options
Both RCA and BNC connector options can be cabled to route any one of the following video signals
over each input or output (FIG. 21):
Three component RGsB or Y/Pb/Pr video signals (attach cables to all three of the video
connectors)
Y/c signals (attach cables to the top two video connectors)
A single composite signal (attach cable to the bottom video connector)
RGsB or Y/Pb/Pr
Y/c
Composite
FIG. 21 Video routing options
Note: The three connectors labeled for any given component signal will always switch together.
Therefore, do not attach cables for different signal types (e.g., Y/c and composite signals), or attach
more than one cable for a composite signal to any labeled set of three connectors (e.g., the three
connectors labeled Input 1) for the entire system.
Precis LT Instruction Manual
25
Installation & Setup
Applying Power & Startup
The enclosure’s universal power receptacle will accept all major international standard power sources.
Standard US power cords are provided for installations within the US. Maximum power specifications
are on the power receptacle (also listed on page 11). Always use an earth-grounded power cord / system
with a Precis LT.
The source electrical outlet should be installed near the Precis LT, easily accessible, and properly
grounded. Power should come from a building branch circuit. We strongly recommend using a dedicated
line for the system’s power. Use a minimum breaker current rating of 15 A for 110 V or 30 A for 230 V.
To avoid an overload, note the power consumption rating of all the equipment connected to the circuit
breaker before applying power.
Caution: To avoid system damage, turn on the power switch for the AMX AutoPatch equipment
before applying power to the system’s source and destination devices. We recommend attaching all
power cords to a surge protector and/or an AC line conditioner.
Power-Up Sequence
To apply power:
1.
Attach the first two source and destination devices (see “Attaching Inputs & Outputs” on page 20).
Do not apply power to the source and destination devices until Step 7.
2.
If applicable – Attach an external controller (see “Attaching an External Controller” on page 17).
3.
Plug one end of the power cord into a power strip that is turned off (we recommend using a 30 A
power strip).
4.
Plug the power cord into the power receptacle on the enclosure.
Press the “I” side of the enclosure’s power switch.
5.
Turn on the power strip.
The Power Indicator on the front of the enclosure illuminates (FIG. 22).
Power Indicator
FIG. 22 Power indicator on control panel
6.
If applicable– Apply power to the external control device/system.
7.
Apply power to the source and destination devices.
For startup information on specific types of control before executing a test switch, see page 17.
The system is ready for a test switch (see “Executing A Test Switch” on page 28).
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Precis LT Instruction Manual
Installation & Setup
Serial Control Device Startup
If you have not already done so, attach the serial control device to the Control port on the enclosure (see
page 17) and open the control program.
AMX Control Devices
Precis LT enclosures are compatible with a number of AMX control devices. For control programming
information, see the instruction manual for the specific interface.
APControl 3.0
If you are using APControl 3.0, install and open the program. Follow the directions in the setup wizard.
From the Launchbar menu, select Views / CrossBar and click on the crosspoints to execute switches.
APWeb
For startup information, see the APWeb Server Module documentation.
HyperTerminal
When power is applied to the enclosure, HyperTerminal displays a short splash screen with information
for your Precis LT model (FIG. 23). The system is ready to disconnect the factory default switch and to
execute a test switch (see page 28).
determine software version
Precis 1 RU vX.Y.Z
FP vA.B.C
Precis Version
Front Panel Version
FIG. 23 Power-up splash screen in HyperTerminal
Note: AMX reserves the right to change the contents and/or formatting of the splash screen at any
time, without notice.
Precis LT Instruction Manual
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Installation & Setup
Executing a Test Switch
Execute a test switch to verify the system is working properly before attaching all inputs and outputs.
Aside from having signal cables (and a controller if applicable) attached, the system is ready to execute
switches when it ships from the factory.
Important: The Precis LT ships from the factory with a default switch of Input 1 to all outputs. Before
executing the test switch, you will need to disconnect the factory default switch.
The first two source and destination devices must be attached to the input and output connectors (for
specific connector information, see “Attaching Inputs & Outputs” on page 20). After the devices are
connected, power must be applied to the enclosure first and then to the devices before executing a test
switch.
You can execute a test switch from the following:
Front mounted control panel
AMX control device
Control software such as APControl 3.0 or APWeb
BCS (Basic Control Structure) commands over an external controller
An external third-party controller
Executing a Test Switch
Before executing the test switch, make sure the first two source devices and the first two destination
devices are connected to the correct input and output connectors.
Important: Component signals require multiple input and output connectors (e.g., an RGsB signal
requires three connectors). All of the signal cables for that signal (including audio if switching
audio-follow-video) must be attached before executing the test switch.
Control Panel
Level Keys
Cancel Key
Input Key 1
Take Key
Output Keys
FIG. 24 Precis LT 8x8 control panel
To disconnect the factory default switch using the control panel:
28
1.
Press the Cancel Key to put the Panel in Switch mode.
2.
Press Input Key 1.
The Video and Audio Level Keys illuminate.
Input Key 1 flashes and all of the output keys illuminate. (If none of the output keys illuminate,
press the Cancel Key and proceed to the following instructions to execute a test switch.)
3.
Press each Output Key.
The Output Keys each disconnect (turn off) when pressed.
4.
Press the Take Key.
All the illuminated keys turn off.
Input 1 is disconnected from all outputs.
Precis LT Instruction Manual
Installation & Setup
If all the illuminated keys on the panel do not turn off, or if the Cancel Key flashes, the command was
not successful. Press the Cancel Key to clear.
Regardless of the system response, execute the test switch. We recommend routing Input (source) 1 to
Output (destination) 2 on Level 0 (video and audio).
To execute a test switch using the control panel:
1.
Press Input Key 1.
Both the Video and Audio Level Keys illuminate.
Input Key 1 flashes.
2.
Press Output Key 2.
Output Key illuminates, indicating that it is ready to accept the switch.
3.
Press the Take Key.
All the illuminated keys turn off.
Input 1 is routed to Output 2 on both levels.
Verify that the source signal is present (visible and/or audible) at the destination.
If all the illuminated keys on the panel do not turn off, or if the Cancel Key flashes, the command was
not successful. See the “Troubleshooting” section on page 30.
AMX Control Devices
For executing and disconnecting switches using an AMX control device, see the instruction manual for
the specific interface.
APControl 3.0 or APWeb
Directions for executing and disconnecting switches using APControl 3.0 are found in its Help file.
For directions for executing switches using APWeb, see the APWeb Instruction Manual.
BCS Commands
To enter BCS commands, attach the system to a serial control device running a terminal emulation
program, e.g., Windows® HyperTerminal (see “Attaching an External Controller” on page 17).
The settings on the PC serial communication software and the enclosure must correspond to each other.
For settings information, see the table on page 19.
When using HyperTerminal, command characters are entered and sent to the enclosure’s CPU. The
command characters appear in HyperTerminal when the enclosure responds. When all of the entered
characters appear in HyperTerminal, the command has been successfully executed.
To disconnect the factory default switch using BCS commands:
1.
Enter the following BCS command line:
DL0I1T
When the “T” appears, the system has successfully executed the command.
The following test switch routes Input 1 to Output 2 on Level 0.
To execute the test switch using BCS commands:
1.
Enter the following BCS command line:
CL0I1O2T
When the “T” appears, the system has successfully executed the command. If any other characters
appear, the command was not successful. Verify that the source signal is present (visible and/or audible)
at the destination.
For a complete list of BCS commands and responses, see the BCS Protocol Instruction Manual on the
AMX AutoPatch CD or at www.amx.com.
Precis LT Instruction Manual
29
Installation & Setup
Troubleshooting
If the test switch did not execute correctly:
Start with...
Check the power indicator on the front of the enclosure.
If the power indicator is not illuminated, check the power switches and the power cords on the
enclosure and on the source and destination devices.
Next, try...
Control Panel
Reenter the command to see if the error was simply a timeout error.
Verify the status of the switch. Press the Status Key, the Video Level Key, and Input Key 1. If
Output Key 2 illuminates, the control panel has established an internal connection between
the input and the output connectors.
BCS
Check the command and reenter it.*
Verify the status of the switch by entering SI1T. If SI1T(2) appears, the system established
a connection between the input and the output connectors within the Precis LT enclosure.
Follow up with...
Check all input and output cable connections on the rear of the enclosure and on the devices to
ensure all connections are correct and secure.
Attempt the switch again.
Isolate source and destination equipment and cable problems by patching around the switcher
using barrel connectors to check the overall signal path.
Reconnect cables to the Precis LT and attempt the switch again.
Still need help?
If the switch still does not work, contact technical support (see page 31).
* Often the command has simply been entered incorrectly (e.g., omitting an output in a Change
command), or the command has specified a value that is not valid (e.g., entering an input or output
number not available on the system).
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Precis LT Instruction Manual
Installation & Setup
Technical Support
Before contacting technical support with a question, please consult this manual. If you still have
questions, contact your AMX representative or technical support. Have your system’s serial number
ready. Viewed from the rear, the system’s serial number is located to the left on the end of the enclosure.
We recommend recording your system’s serial number in an easily accessible location.
AMX Contact Information
3000 Research Drive, Richardson, TX 75082
800.222.0193
469.624.8000
Fax 469.624.7153
Technical Support 800.932.6993
www.amx.com
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Installation & Setup
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Precis LT Instruction Manual
Signal Specifications
Signal Specifications
Precis LT Composite Video & Stereo Audio Specifications
Applies to Precis LT models: FGP37-0404-115, FGP37-0408-115, FGP37-0804-115,
and FGP37-0808-115.
Composite Video (Standard Video) Specifications
Standard Video Signal Specifications
Parameter
Conditions
Value
Frequency Response
1 to All
±3 dB to 50 MHz or better
±1 dB to 15 MHz or better
Differential Gain
f = 3.58 MHz
<0.2% or better
Differential Phase
f = 3.58 MHz
<0.2º or better
Crosstalk
f = 5 MHz
<-65 dB
Signal to Noise Ratio (SNR)
Vin = 0.7 V, 100 IRE
>65 dB
Input Level (max.)
±1.9 V
Input Impedance
75 ohms
Input Return Loss
f = 5 MHz
<-40 dB
Output Level (max.)
±1.9 V
Output Impedance
75 ohms
Connectors
BNC
Stereo Audio Specifications
Stereo Audio Signal Specifications
Parameter
Frequency Response
Conditions
f = 20 Hz to 20 kHz
Value
<±0.1 dB
THD + Noise
f = 20 Hz to 20 kHz, Vin = -10 to +14 dBu <0.025%
Crosstalk
f = 1 kHz, Vin = +2 dBu
<-105 dB
Signal to Noise Ratio (SNR)
f = 20 Hz to 20 kHz, Vin = +14 dBu
>105 dB
CMRR
Input Level (max.)
>80 dB
Balanced
Input Impedance
Output Level (max.)
Output Impedance
+14 dBu
18 kohms
Balanced
+14 dBu
50 ohms
Type
Balanced or unbalanced
Connectors
Pluggable 5-position terminal
block
Precis LT Instruction Manual
33
Signal Specifications
Precis LT S-Video & Stereo Audio Specifications
Applies to Precis LT models: FGP37-0404-615, FGP37-0408-615, FGP37-0804-615
and FGP37-0808-615.
S-Video Specifications
S-Video Signal Specifications
Parameter
Frequency Response
Conditions
1 to All
Value
±3 dB to 50 MHz or better
±1 dB to 15 MHz or better
Differential Gain
f = 3.58 MHz
<0.2% or better
Differential Phase
f = 3.58 MHz
<0.2º or better
Crosstalk
f = 5 MHz
<-65 dB
Channel Separation
f = 5 MHz
<-60 dB
Signal to Noise Ratio (SNR)
Vin = 0.7 V, 100 IRE
Input Level (max.)
Input Impedance
Input Return Loss
>65 dB
±1.9 V
75 ohms
f = 5 MHz
<-35 dB
Output Level (max.)
±1.9 V
Output Impedance
75 ohms
Connectors
S-Video, Locking S-Video
Stereo Audio Specifications
Stereo Audio Signal Specifications
Parameter
Frequency Response
Conditions
f = 20 Hz to 20 kHz
THD + Noise
f = 20 Hz to 20 kHz, Vin = -10 to +14 dB <0.025%
Crosstalk
f = 1 kHz, Vin = +2 dBu
Signal to Noise Ratio (SNR)
f = 20 Hz to 20 kHz, Vin = +14 dBu
CMRR
Input Level (max.)
Output Level (max.)
Output Impedance
<-105 dB
>105 dB
>80 dB
Balanced
Input Impedance
34
Value
<±0.1 dB
+14 dBu
18 kohms
Balanced
+14 dBu
50 ohms
Type
Balanced or unbalanced
Connectors
Pluggable 5-position terminal
block
Precis LT Instruction Manual
Signal Specifications
Precis LT Component Video & Stereo Audio Specifications
Applies to Precis LT models: FGP37-0404-345, FGP37-0408-345, FGP37-0804-345, FGP37-0808-345,
FGP37-0404-A43, FGP37-0408-A43, FGP37-0804-A43, and FGP37-0808-A43.
Component Video (Wideband Video) Specifications
Wideband Video Signal Specifications
Parameter
Conditions
Value
Frequency Response
1 to All
±3 dB to 300 MHz or better
±1.5 dB to 100 MHz or better
Differential Gain
f = 3.58 MHz
<0.2% or better
Differential Phase
f = 3.58 MHz
<0.2º or better
Crosstalk
f = 5 MHz
f = 30 MHz
f = 150 MHz
<-70 dB
<-60 dB
<-35 dB
Signal to Noise Ratio (SNR)
Vin = 0.7 V, 100 IRE
>65 dB
Return Loss (BNC)
f = 5 MHz
<-45 dB
Return Loss (RCA)
f = 5 MHz
<-42 dB
Input Level (max.)
±1.5 V
Input Impedance
75 ohms
Output Level (max.)
±1.5 V
Output Impedance
75 ohms
Connectors
RCA or BNC
Stereo Audio Specifications
Stereo Audio Signal Specifications
Parameter
Conditions
Value
Frequency Response
f = 20 Hz to 20 kHz
THD + Noise
f = 20 Hz to 20 kHz, Vin = -10 dB to +14 dB <0.025%
<±0.1 dB
Signal to Noise Ratio (SNR)
f = 20 Hz to 20 kHz, Vin = +14 dB
>105 dB
Crosstalk
f = 1 kHz, Vin = +2 dBu
<-105 dB
Balanced and unbalanced
+14 dBu
Balanced and unbalanced
+14 dBu
CMRR
Input Level (max.)
>80 dB
Input Impedance
Output Level (max.)
18 kohms
Output Impedance
50 ohms
Type
Balanced (5-Term) or
Unbalanced (RCA or 5-Term)
Connectors
Pluggable 5-position terminal
block or RCA
Precis LT Instruction Manual
35
Signal Specifications
Precis LT RGBHV Video & Stereo Audio Specifications
Applies to Precis LT models: FGP37-0404-844, FGP37-0408-844, FGP37-0804-844,
and FGP37-0808-844.
RGBHV Video (Wideband Video) Specifications
Wideband Video Signal Specifications
Parameter
Conditions
Value
Frequency Response
1 to All
±3 dB to 300 MHz or better
±1.5 dB to 100 MHz or better
Crosstalk
f = 5 MHz
f = 30 MHz
f = 150 MHz
<-65 dB
<-50 dB
<-40 dB
Signal to Noise Ratio (SNR)
Vin = 0.7 V, 100 IRE
Input Level (max.)
Input Impedance
Return Loss
>65 dB
±1.5 V
75 ohms
f = 5 MHz
<-42 dB
Output Level (max.)
±1.5 V
Output Impedance
75 ohms
HV Sync Input Level (max.)
±5 V
HV Sync Input Impedance
22 kohms
HV Sync Output Level
Follows input
±5 V
HV Sync Output Impedance
75 ohms
Connectors
HD-15
Stereo Audio Specifications
Stereo Audio Signal Specifications
Parameter
Conditions
Value
Frequency Response
f = 20 Hz to 20 kHz
THD + Noise
f = 20 Hz to 20 kHz, Vin = -10 dB to +14 dB <0.025%
<±0.1 dB
Crosstalk
f = 1 kHz, Vin = +2 dBu
<-105 dB
Signal to Noise Ratio (SNR)
f = 20 Hz to 20 kHz, Vin = +14 dBu
>105 dB
Input Level (max.)
Unbalanced
+14 dBu
Input Impedance
Output Level (max.)
18 kohms
Unbalanced
Output Impedance
+14 dBu
50 ohms
Type
Unbalanced
Connectors
Pluggable 3-position
terminal block
AMX reserves the right to modify its products and their specifications without notice.
36
Precis LT Instruction Manual
Control Panel Operation
Control Panel Operation
All Precis LT systems have an integral front mounted control panel for controlling the system’s switches
and system attributes. The control panel can also be used for system verification and redundant control.
FIG. 25 illustrates a Precis LT 8x8 control panel. Other models may vary slightly in appearance.
FIG. 25 1 RU Precis LT 8x8 control panel
Note: AMX AutoPatch software can also be used to control a system; for more information,
see the “AMX AutoPatch CD.” In addition, AMX AutoPatch enclosures can be controlled using
BCS (Basic Control Structure) commands transmitted through an external controller; for more
information, see the “BCS Protocol Instruction Manual” on the CD or at www.amx.com.
Modes of Operation
A Precis LT control panel works in three standard modes:
Switch (default) – use to execute switches
Status – use to verify signal status
Lock – use to lock and unlock the control panel (password required)
Precis LT Instruction Manual
37
Control Panel Operation
Control Keys
Level Keys
Status Key
Lock Key
Input Keys
Output Keys
Cancel Key
Take Key
FIG. 26 2 RU Precis LT 8x8 control panel keys
Keys & Functions
Status Key – places the control panel in Status mode.
Lock Key – locks and unlocks the control panel (password required).
Cancel Key – cancels an incomplete command and returns panel to Switch mode. Cannot undo
a completed operation, i.e., an operation followed by the pressing of the Take Key.
Take Key – functions like the “Enter” key on a computer key board. Pressing the Take Key
instructs the system to complete an operation. Does not illuminate when pressed.
Level Keys – activate levels for switches or status queries.
In the default switch state, both Video and Audio Level Keys are illuminated and video and
audio signals are simultaneously routed.
When one Level Key is illuminated, it indicates which level (video or audio) is selected; either
video signals only or audio signals only are routed.
Input (source) Keys – select an input on the selected level, also can be used for entering the
password in Lock mode.
Output (destination) Keys – select an output on the selected level, also can be used for entering
the password in Lock mode.
38
Precis LT Instruction Manual
Control Panel Operation
Executing & Disconnecting Switches
A switch is an active connection between an input (source) signal and one or more output (destination)
devices. The signals routed in a switching operation are individual signals or groups of individual signals
coming through the connectors on the rear of the enclosure. You can execute switches from the
control panel using the steps below.
Switching Level
All switches are executed on a specific level. Unless otherwise specified, switches are executed using the
factory designated default level of video and audio which is associated with both Level Keys
illuminating. When using the default, you do not need to press a Level Key.
When executing a switch on a level other than the default, you must press the desired Level Key (be sure
the level includes the signals you want to route).
The Level Key for the level currently in use will illuminate when your press an Input Key or an Output
Key. The level can be changed by pressing the desired Level Key either before or after you press an
Input Key or an Output Key.
Description of Switching / Disconnecting Operations in Switch Mode
Pressing the Cancel Key puts the control panel in Switch mode, which defaults to switching both video
and audio. For information on changing the level, see “Switching Level” above.
When an Input Key is pressed first, it flashes and will be used as the source for switching. A
single Output Key can then be pressed (the key will illuminate, indicating that it is ready to
accept the switch). Pressing the Take Key instructs the system to execute or disconnect the
switch. (The Take Key does not illuminate when pressed.)
When an Output Key is pressed first, it flashes and is ready to accept an input signal. Press the
Input Key, which illuminates. Press the Take Key to complete the switch.
Additional switches and disconnects can be executed while in Switch mode.
Executing Switches
When executing switches, the flashing key is the “hot” Input or Output Key, all other commands center
around that key until you change mode (press the Cancel Key), level, or select a different Input or Output
Key (must be the same type of key as the “hot’ key).
Be sure to read the information on “Switching Level” above.
You can return to the Switch mode at any time by pressing the Cancel Key. Pressing the Cancel Key does
not cancel any completed operations.
To execute a switch selecting input (source) first:
1.
Press the Cancel Key.
All the lights on the control panel turn off.
The control panel is in Switch mode.
2.
Press a Level Key to select a level (can be omitted when switching on the default level).
The Level Key illuminates.
3.
Press an Input Key to select an input.
The Input Key flashes, and after a moment any Output Key(s) to which that signal is already routed
illuminates.
4.
Press an Output Key(s) that is not illuminated to select an output(s).
The selected key illuminates, indicating that it is ready to accept the signal from the input.
5.
Press the Take Key.
All the illuminated keys turn off as the switch is executed.
Precis LT Instruction Manual
39
Control Panel Operation
Note: When executing a switch, you can select multiple outputs, but only one input. To select
multiple outputs, you must select the input first (see previous section).
To execute a switch selecting output (destination) first:
1.
Press the Cancel Key.
All the lights on the control panel turn off.
The control panel is in Switch mode.
2.
Press a Level Key to select a level (can be omitted when switching on the default level).
The Level Key illuminates.
3.
Press an Output Key to select an output.
The Output Key flashes, and after a moment if an Input Key is already routed to it, the Input Key
illuminates.
4.
Press an Input Key to select an input.
The selected key illuminates, indicating that it is ready to accept the signal from the input.
5.
Press the Take Key.
All the illuminated keys turn off as the switch is executed.
Disconnecting Inputs & Outputs
Disconnecting a switch deactivates the connection between an output (destination) device and the input
(source) signal that is routed to it. An output can only be connect to one input; therefore, disconnecting
an output only disconnects that connection. If the input is routed to additional outputs, those connections
remain routed.
Be sure to read the information on “Switching Level” on page 39.
You can return to the Switch mode at any time by pressing the Cancel Key. Pressing the Cancel Key does
not cancel any of the disconnects that were just completed.
Note: To disconnect multiple outputs from an input, use the “Press an Input Key” option in
Step 3 below.
To disconnect inputs and outputs:
40
1.
Press the Cancel Key.
All the lights on the control panel turn off.
The control panel is in Switch mode.
2.
Press a Level Key to select a level (can be omitted when switching on the default level).
The Level Key illuminates.
3.
Press an Input Key.
The Input Key flashes, and all the Output Keys the input is routed to illuminate.
Press the illuminated Output Key(s) to disconnect the output(s) from the input.
Each Output Key turns off when pressed.
Press the Take Key.
All the illuminated keys turn off.
The selected outputs are disconnected from the input. Any output keys that were still illuminated
when you pressed the Take Key are still connected.
Or
Press an Output Key.
The Output Key flashes, and the Input Key it is receiving a signal from illuminates.
Press the Input Key.
Press the Take Key.
All the illuminated keys turn off.
The output is disconnected from the input. (Additional outputs may still be connected to the input.)
Precis LT Instruction Manual
Control Panel Operation
Verifying Signal Status
Signal status can be verified to confirm that a switch has executed properly or to confirm correct routing
to multiple outputs (destinations) without accidently executing or disconnecting switches. The Precis LT
control panel can verify both input and output signal status.
Verifying an input will illuminate all outputs currently receiving the input’s signal. Verifying an output
will only illuminate its current input (an output can only be connected to one input). The illuminated
input will not show other outputs that are also connected. If no signals are connected to the input or
output in question, only the input or output key being checked will illuminate.
The system will not verify the status for a video and an audio signal simultaneously. To verify that a
signal is being routed on both levels, verify the switch on each level independently. Signal status must be
checked on the level that switches its signal type, e.g., a video signal can only be verified on the Video
Level. Check that the system is on the same level as the signal being verified by illuminating the
corresponding Level Key:
Video Level Key – verifies routing status for video signals.
Audio Level Key – verifies routing status for audio signals.
You can return to Switch mode at any time by pressing the Cancel Key.
To verify the status of a signal:
1.
Press the Status Key to put the control panel in Status mode.
The Status Key illuminates and all other keys on the control panel turn off.
2.
Press a Level Key to select a level.
The Level Key illuminates.
3.
Press an Input Key that corresponds to the input you want to check.
The selected Input Key illuminates and the Output Keys for the outputs receiving that input signal
illuminate.
If no Output Keys illuminate, the signal is not routed or is not available on that level.
Or
Press an Output Key that corresponds to the output you want to check.
The Output Key illuminates, and the Input Key for the input currently routed to that output
illuminates.
If no Input Key illuminates, no signal is routed on that level.
4.
Select another input or output to verify.
Or
Press the Cancel Key to return to Switch mode.
Precis LT Instruction Manual
41
Control Panel Operation
Locking & Unlocking the Control Panel
Locking the Precis LT control panel prohibits access to the system and can prevent accidental switching.
While the panel is locked, BCS commands still work; however, they cannot be used to unlock the panel.
The password is a sequence of five key presses using any combination of Input and/or Output Keys.
Note: Although a new password could be used each time, we recommend using the same password
and keeping a written record of it in a in a convenient place.
After you press the Lock Key, you have 10 seconds to enter a password before the panel reverts to its
previous mode (Locked or Switch mode). If you enter the wrong password, press the Lock Key again
and enter the correct password.
If power is turned off while the panel is locked, all password information will be lost. When power is
reapplied, the panel will be unlocked.
Use Input and/or Output Keys to enter password
Places control panel in Lock mode
FIG. 27 Use Input/Outputs Keys to lock & unlock panel
For the following example, the password is “1 3 1 2 2” using the Input Keys.
To lock the control panel:
1.
Press the Lock Key.
The Lock Key flashes for 10 seconds. You must enter the password before the Lock Key stops
flashing.
2.
Press the Input Keys in this order: 1, 3, 1, 2, 2.
3.
Press the Take Key.
The Lock Key stops flashing but remains illuminated.
The control panel is locked.
To unlock the control panel:
42
1.
Press the Lock Key.
The Lock Key flashes for 10 seconds. You must enter the password before the Lock Key stops
flashing.
2.
Press the Input Keys in this order: 1, 3, 1, 2, 2.
3.
Press the Take Key.
The Lock Key turns off.
The control panel is unlocked and in Switch mode.
Precis LT Instruction Manual
AMX. All rights reserved. AMX and the AMX logo are registered trademarks of AMX. AMX reserves the right to alter specifications without notice at any time.
©2009
10/09
It’s Your World - Take Control™
3000 RESEARCH DRIVE, RICHARDSON, TX 75082 USA • 800.222.0193 • 469.624.8000 • 469-624-7153 fax • 800.932.6993 technical support • www.amx.com
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