Operation manual [
OPERATION
MANUAL
UFH-70VDA
Video Distribution Amplifier
1st Edition
Upon Receipt
Unpacking
UFH-70VDA units and their accessories are fully inspected and adjusted prior to shipment.
Operation can be performed immediately upon completing all required connections and
operational settings.
Check your received items against the packing lists below.
ITEM
UFH-70VDA
Operation Manual
QTY
1
1
REMARKS
Check
Check to ensure no damage has occurred during shipment. If damage has occurred, or items
are missing, inform your supplier immediately.
Table of Contents
1. Prior to Starting........................................................................................................................... 1
1-1. Welcome ............................................................................................................................ 1
1-2. Features ............................................................................................................................. 1
1-3. About This Manual.............................................................................................................. 1
2. Panel Descriptions ..................................................................................................................... 2
2-1. Front Panel......................................................................................................................... 2
2-2. Rear Panel ......................................................................................................................... 3
3. Connection ................................................................................................................................. 4
4. Block Diagram ............................................................................................................................ 5
5. Operation ................................................................................................................................... 6
5-1. Powering On....................................................................................................................... 6
5-2. Internal Settings ................................................................................................................. 7
5-2-1. Switch Locations ........................................................................................................ 7
5-2-2. Operation Mode(S1, S201).................................................................................... 7
5-2-3. OUT 1 THRU (OUT A1) Output Mode (S101, S102) .................................................. 8
5-2-4. Clamp Settings (S103, S104 / S203, S204) ............................................................... 9
6. Specifications and Dimensions................................................................................................. 10
6-1. Specifications ................................................................................................................... 10
6-2. Dimensions ...................................................................................................................... 11
1. Prior to Starting
1-1. Welcome
Congratulations! By purchasing UFH-70VDA Video Distribution Amplifier you have entered the
world of FOR-A and its many innovative products. Thank you for your patronage and we hope
you will turn to FOR-A products again and again to satisfy your video and audio needs.
FOR-A provides a wide range of products, from basic support units to complex system
controllers, which have been increasingly joined by products for computer video based systems.
Whatever your needs, talk to your FOR-A representative. We will do our best to be of continuing
service to you.
1-2. Features
The UFH-70VDA is module type analog video distributor that can be installed in the UFH frame.
It can distribute one input into seven outputs or two systems of one input into three outputs.
Video gain control available on the front panel
Cable compensation up to 300m (when BNC 5C-2V, RG-11A/U or equivalent cable used).
Input signal detection feature
Enables setting of 1 input with 7-way distribution or two systems of 1 input with 3-way
distribution.
DC clamp and AC or DC coupled outputs selectable.
Possible to loop through Input A by internal setting
1-3. About This Manual
This manual is intended to help the user easily operate this product and make full use of its
functions during operations. Before connecting or operating your unit, read this operation
manual thoroughly to ensure you understand the product. After reading, it is important to keep
this manual in a safe place and available for reference.
1
2. Panel Descriptions
2-1. Front Panel
+3.3V +5V -5V
A
INPUT GAIN
B
COMPEN
(OPTION)
INPUT GAIN COMPEN INTERFACE
UFH-70VDA
300
0
300
0
UFH-70VDA
(1)
(2) (3)
(4)
(5) (6)
(7)
Lights up when the power supply circuit on the board is operated
properly.
(2) INPUT
Lights up when an analog composite signal is input.
(3) GAIN
Used to adjust the video gain.
Used to adjust the cable compensation in a range from 0 to
(4) COMPEN
300m (when 5C2V compatible cable used).
(5) INPUT (*1)
Lights up when an analog composite signal is input.
(6) GAIN (*1)
Used to adjust the video gain.
Used to adjust the cable compensation in a range from 0 to
(7) COMPEN (*1)
300m (when BNC 5C-2V, RG-11A/U or equivalent cable used).
(*1) Available in dual channel mode (2 systems of 1 input into 3 outputs).
(1)
Power Indicator
2
2-2. Rear Panel
VIDEO IN
(1)
OUT1/THRU
IN A
OUT A1
(1)
(2)
VIDEO IN
IN A
OUT 1THRU
(2)
OUT A1
(3)
(4)
(5)
OUT2,
OUT3
OUT A2,
OUT A3
OUT4
IN B
OUT5,
OUT6,
OUT7
OUT B1,
OUT B2,
OUT B3
OUT2
OUT3
OUT4
OUT A2
OUT A3
IN B
(3)
(4)
OUT5
OUT B1
OUT7
OUT6
OUT B2
OUT B3
UFH-70VDA
(5)
Used as a video input in single channel mode.
Used as a video input (Ch A) in dual channel mode.
Used as a video output in single channel mode.
This connector can be used as a loopthrough connector (VIDEO
IN/IN A signal loopthrough) by internal settings.
Used as a video output (Ch A) in dual channel mode.
This connector can be used as a loopthrough connector (VIDEO
IN/IN A signal loopthrough) by internal settings.
Used as a video output in single channel mode.
Used as a video output (Ch A) in dual channel mode.
Used as a video output in single channel mode.
Used as a video input (Ch B) in dual channel mode.
Used as a video output in single channel mode.
Used as a video output (Ch B) in dual channel mode.
3
3. Connection
Connect the unit to other equipment in the total system as shown in the figure below.
Note that before installing the UFH-70VDA into the System Frame, you should thoroughly read the
operation manual for the System Frame where you will be installing. Turn off the System Frame
and other equipment before connection.
(1) Single channel mode (1 input into 7 outputs)
UFH Frame
Composite signal
OUT 1
VIDEO IN
OUT 2
OUT 3
OUT 4
Composite signals
OUT 5
OUT 6
UFH-70VDA
OUT 7
(2) Dual channel mode (2 systems of 1 input into 3 outputs)
UFH Frame
Composite signal
(Ch A)
OUT A1
IN A
OUT A2
Composite signals
(Ch A)
OUT A3
Composite signal
(Ch B)
UFH-70VDA
IN B
OUT B1
OUT B2
OUT B3
4
Composite signals
(Ch B)
4. Block Diagram
A block diagram of the UFH-70VDA is shown below:
・Gain Adjust
VIDEO IN, IN A
・Cable Compensation
・Input Detection
OUT 1 / THRU, OUT A1
OUT 2, OUT A2
OUT 3, OUT A3
OUT 4, IN B
・Gain Adjust
・Cable Compensation
・Input Detection
OUT 5, OUT B1
OUT 6, OUT B2
OUT 7, OUT B3
5
5. Operation
5-1. Powering On
1) Loosen the screws on both side of the front panel of UFH frame, and then grasp the knob
screws to pull them out.
POWER
1
POWER
2
GENLOCK
1
2
FAN
ALARM
TEMP DC POW
GENLOCK
1
2
FAN
ALARM
TEMP DC POW
UFH-112
SYSTEM FRAME
2) Turn on the power switches.
6
5-2. Internal Settings
The following settings can be made via the front module of the UFH-70VDA.
Switch settings must be made prior to installing any module to the UFH frame.
5-2-1. Switch Locations
S201 S101
S102
S1
S203
S204
S103
S104
5-2-2. Operation Mode(S1, S201)
The S1 and S201 switches are used to select between single channel (1 input into 7 outputs)
and dual channel (2 systems of 1 input into 3 outputs) modes.
Switch Setting
S1
S201
A position
A position
A/B position
A/B position
Operation Mode
S1
S201
Single channel mode
Dual channel mode
S1
S201
A
MODE SEL 1/2
A
MODE SEL 2/2
A/B
A/B
The factory default setting is A position (single channel mode).
When changing the mode, be sure to set the S1 and S201 switches to the same operation mode.
The system will not operate properly if the settings do not match.
7
5-2-3. OUT 1 THRU (OUT A1) Output Mode (S101, S102)
The S101 and S102 switches are used to set OUT 1 THRU (OUT A1) output mode to
distribution or loopthrough (VIDEO IN / IN A signal loopthrough). When changing the mode,
be sure to set the S101 and S102 switches to the same output mode. The system will not
operate properly if the settings do not match.
S102
Hi
Switch Setting
S101
S102
AMP OUT position 75 Ω position
THRU position
Hi position
75 Ω / Hi
THRU
OUT / THRU SEL
AMP OUT
S101
S101
Distribution
Loopthrough
S102
75 Ω
Output Mode
VIDEO IN, IN A
S102
75 Ω
OUT 1 / THRU, OUT A1
S101
The factory default setting is distribution (S101: AMP OUT, S102: 75 Ω).
8
5-2-4. Clamp Settings (S103, S104 / S203, S204)
The S103, S104, S203, and S204 switches are used to enable clamp ON/OFF for the video
output signal.
CLAMP
S203
DC/AC
COUPLING
DC
S204
AC
S203
Ch B Clamp Setting in Dual Channel Mode
Switch Setting
Coupling / Clamp
S203
S204
DC position
CLAMP position
DC clamp
AC position
DC position
DC coupled
DC/AC position
AC position
AC coupled
S204
Single Channel Mode / Ch A Clamp Setting in Dual Channel Mode
Switch Setting
Coupling / Clamp
S103
S104
DC position
CLAMP position
DC clamp
AC position
DC position
DC coupled
DC/AC position
AC position
AC coupled
S103
S104
CLAMP
S103
COUPLING
DC/AC
DC
S104
AC
The factory default settings are as follows:
S103, S203: CLAMP
S104, S204: DC
9
6. Specifications and Dimensions
6-1. Specifications
Video Inputs
(insternally selectable)
・Analog composite, 1.0V (p-p), 75Ω, or high impedance loopthrough
selectable, BNC, 1 input
・Analog composite, 1.0V (p-p), 75Ω, BNC, 2 inputs
Video Outputs
(insternally selectable)
・Analog composite, 1.0V (p-p), 75Ω, BNC, 7 outputs
(6 outputs in loopthrough mode)
・Analog composite, 1.0V (p-p), 75Ω, BNC, 2 systems of 3 outputs
(2 outputs for OUT A and 3 outputs for OUT B in loopthrough mode)
Frequency Response
100kHz-6MHz within ±0.2dB
DG/DP
0.5% / 0.5° (APL 50%)
Gain Range
-3.0dB to +3.0dB for input
Cable Length
Compensation
300m max. (when BNC 5C-2V, RG-11A/U or equivalent cable used)
Clamp
Clamp ON/OFF internally selectable
AC coupled / DC coupled selectable when set to CLAMP OFF.
Temperature
10°C - 40°C
Humidity
30% - 90% (no condensation)
Power
+24VDC (supplied with UFH frame)
Power Consumption
2.2VA (2.2W)
Weight
1.0 kg
Dimensions
Front module: 138.5 (W) x 400 (D) mm
Rear module: 141 (W) x 101 (D) mm
Required slot
1 slot
10
6-2. Dimensions
(All dimensions in mm.)
141
IN A
OU T A2
OUT A 1
OUT A 3
O UT B 1
IN B
UFH -7 0VD A
OUT B 2
OUT B 3
20
OUT1/THRU
OUT2
OUT3
(OP TION)
INP UT GAIN COMPE N IN TE RFAC E
OUT4
OUT5
OUT6
OUT7
UFH -70VD A
3 00
11
0
30 0
VIDEO IN
B
C OMP EN
0
(400)
A
INPU T GA IN
(101)
-5 V
379.5
+5 V
87.8
I/F CARD (Option)
+3 .3 V
UFH-70VDA
Warning
This equipment has been tested and found to comply with the limits for a
Class A digital device, pursuant to Part 15 of FCC Rules. These limits are
designed to provide reasonable protection against harmful interference
when the equipment is operated in a commercial environment. This
equipment generates, uses, and can radiate radio frequency energy and,
if not installed and used in accordance with the instruction manual, may
cause harmful interference to radio communications. Operation of this
equipment in a residential area is likely to cause harmful interference, in
which case the user will be required to correct the interference at his own
expense.
09/29/2009 Printed in Japan
FOR-A COMPANY LIMITED
Head Office
Overseas Division
Japan Branch Offices
R&D/Production
: 3-8-1 Ebisu, Shibuya-ku, Tokyo 150-0013, Japan
Phone: +81 (0)3-3446-3936, Fax: +81 (0)3-3446-1470
: Osaka/Okinawa/Fukuoka/Hiroshima/Nagoya/Sendai/Sapporo
: Sakura Center/Sapporo Center
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Two Executive Drive, Suite 670, Fort Lee Executive Park, Fort Lee NJ 07024, USA
Phone: +1 (201) 944-1120 Fax : +1 (201) 944-1132
FOR-A America Distribution & Service Center
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Phone: +1 352-371-1505 Fax: +1 352-378-5320
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Phone: +1 416-977-0343 Fax: +1 416-977-0657
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