AMC S84d Specifications
The AMC model S84d Remote Souce Selector is designed for room to room type of
applications, providing remotely controlled distribution of high quality audio and video signals
throughout a house, through the infrared remote control of centrally located audio and video
components.
Eight stereo audio inputs, four composite video inputs and four infrared code inputs.
Audio and video outputs for up to four rooms.
Independent volume adjustment for each room.
Independent source selection for each room.
Independent audio mute for each room.
High power infrared transmitter built_in.
Remotely controlled switched power outlet socket.
Buffered video outputs.
Local infrared transmitter output.
THD less than 0.01%.
Audio S/N better than 95dB.
Video Bandwidth from DC to 18MHz.
75 OHM output impedence for all audio and video outputs.
1. AC LINE CORD
2. AUDIO INPUTS, A1 Through A4
3. AUDIO/VIDEO INPUTS, AV5 Through AV8
4. INFRARED CODE INPUTS, ROOMS
A Through D
1. INPUT SELECTOR LED'S
2. ROOM LED'S A Through D
5. BUFFERED VIDEO OUTPUTS
6. ROOM OUTPUTS A Through D
7. LOCAL I/R OUTPUT
8. SWITCHED CONVENIENCE AC OUTLETS
9. UNSWITCHED CONVENIENCE AC OUTLETS
3. ROOM SELECTOR SWITCHES
4. INFRARED TRANSMITTER
1. AC LINE CORD
Plug the AC line cord into a nearby wall
outlet that provides the correct AC power line
voltage, or into an un-switched convenience
outlet on any AMC product.
2. AUDIO INPUTS, A1 Through A4
These inputs are for connection to audio
signal sources such as a CD Player, FM
Tuner, Cassette Tape Recorder, etc..
Connections are made via RCA jacks.
3. AUDIO/VIDEO INPUTS, AV5 Through
AV8
These inputs are for connections to
audio/video products such as VCR's, Laser
Disk Players, Satelite Receivers, etc.. All
audio and video connections are made via
RCA jacks.
4. INFRARED CODE INPUTS, ROOMS A
Through D
These inputs are for connection to each
room infrared receiver. There are three screw
terminals for each of the 4 room inputs.
Wiring of the twin shielded cable used to
connect the remote I/R receiver to these
inputs is as follows:- The shield of the cable
should be connected to the terminal marked
"GND", the red wire connected to the
terminal marked "+12V" and the black wire
connected to the terminal marked "I/P".
5. BUFFERED VIDEO OUTPUTS
Each video input (AV5 through AV8) has a
buffered video output located next to the
video input socket. With 75 ohm termination
on this output, the input/output gain will be
unity. Connections are made via RCA jacks.
6. ROOM OUTPUTS A Through D
Four room outputs for stereo audio and
composite video are provided. The sound
level of each room output is independently
adjusted via the infrared remote control
provided.
7. LOCAL I/R OUTPUT
The signal sent to the front panel I/R
transmitter is also available via the 1/8", two
terminal, mini jack on the rear panel. The
output from this jack can provide sufficient
current to drive an external LED for situations
where remotely controlled equipment cannot
see the infrared code sent out by the S84d
I/R transmitter. For example, when the
equipment is located in a shelved cupboard.
Connections for this jack are as follows:- The
anode of I/R LED must be connected to the
tip of the jack and the cathode to the sleeve
of the jack.
8. SWITCHED CONVENIENCE AC
OUTLETS
There are 2 switched convenience AC
outlets for 120V version and only one for
220V/230V/240V versions. These
convenience AC outlets are controlled by the
power ON/OFF button on the
remote
control.
9. UNSWITCHED CONVENIENCE AC
OUTLETS
There is one un-switched convenience AC
outlet for 120V version and none for
220V/230V/240V versions.
The front panel LED display is used to view
the status of the selected input of any room.
1. INPUT SELECTOR LEDS
There are 8 LEDs arranged in 2 rows, in the
front panel display. These LEDs indicate the
selected input (A1 through AV8) of each
room. To view the selected input of any
room, the appropriate room selector switch
described in 3 below, must be operated.
2. ROOM LEDS A Through D
The 4 LEDs located at the bottom of the front
panel display indicate which room has been
selected by the room selector switches.
3. ROOM SELECTOR SWITCHES
There are 4 room selector switches located
behind the front panel, which are accessed
through the 4 holes beneath the display
window. These switches are operated by
inserting the plastic rod (provided) through
the access hole in the front panel and
pressing gently. When any of these switches
are operated, the appropriate room LED
above it will light and the input selector LEDs
will indicate which input has been selected
by that room. To find out which input has
been selected in another room, simply
operate the appropriate room switch.
4. INFRARED TRANSMITTER
Hidden behind the front panel window is a
high power I/R transmitter that transmits data
received from any of the infrared code inputs.
Note there are two types of remote control available for this model. However, only one of
them will be supplied with the unit. Please verify the type of R/C attached with your unit, and
refer to the corresponding instruction.
MUTE
POWER
1
2
3
4
5
6
7
8
MASTER
VOLUME
AMC
RC-S84a
1. POWER
Pressing the green "POWER" button
switches on the power to the convenience
outlet sockets on the back of the S84a.
Pressing the button again will switch off the
power to the convenience outlet sockets on
the back panel of S84a.
NOTE: Volume settings in all rooms are
independent of each other.
2. MASTER VOLUME
:VOLUME UP
:VOLUME DOWN
4. INPUT SELECTOR
These buttons select any one of the eight
sources that are connected to the inputs of
the S84a (A1 through AV8).
3. MUTE
Pressing the "Mute" button will apply full
mute to the audio. This function can be used
as a "local off" and will not affect other rooms.
1. POWER ON
Pressing the green "POWER" button and the
w h i t e " M u t e " b u t t o n , s i m u l t a n e o u s l y,
switches on the power to the convenience
outlet sockets on the back of the S84d.
2. POWER OFF
Pressing the green "Power" button and the
white "Volume Up" button, simultaneously,
will switch off the power to the convenience
outlet sockets on the back panel of S84d.
3. VOLUME
:VOLUME UP
:VOLUME DOWN
NOTE: Volume settings in all rooms are
independent of each other.
4. MUTE
Pressing the "Mute" button will apply full
mute to the audio. This function can be used
as a "local off" and will not affect other rooms.
5. INPUT SELECTOR
These buttons select any one of the eight
sources that are connected to the inputs of
the S84d (A1 through AV8).
AUDIO INPUTS A1 Through AV8 and ROOM OUTPUTS A Through D
Inputs Impedence....................................................................................R= 5 MEG C= 100pF
THD 20Hz-20KHz and SMPTE IMD...................................................<0.01% at 3 Vrms
Inputs Sensitivity for 1V Output...........................................................................150 mV
Input Overload...................................................................................................3.5 Vrms
Signal to Noise Ratio (Gain=1)........................................................95dB "A" wtd ref. 1V
Frequency Responce.................................................................20Hz-20KHz +/- 0.5dB
Output Impedence..............................................................................................75 OHM
VIDEO INPUTS and OUTPUTS AV5 Through AV8
Input Impedence.................................................................................................75 OHM
Input Level for Peak White..................................................................................1V peak
Output Impedence (all output)............................................................................75 OHM
Gain (From Video Inputs to Buffered Outputs and Room Outputs).................................
..............................................................................Unity with 75 term. and room outputs
Frequency Response.........................................................................DC - 6MHZ +/-1dB
DC -18Mhz +/-6dB
Max. Inputs Level..........................................................................................+/- 2V peak
INFRARED INPUTS and OUTPUTS
Max. Input Level.....................................................................................................+5.5V
Min. Input Level......................................................................................................+3.5V
Polarity (Inputs and Outputs).....................................................................Normally Low
Transmitted I/R Wavelength..................................................................................950nm
Input Impedence...............................................................................................330 OHM
Local I/R Output Current (using GaAs I/R LED)..........................................100mA peak
OTHER
Dimensions (W X H X D)...................................................................430 X 82 X 300mm
Net Weight..............................................................................................5.0Kgs (11 lbs.)
Power Consumption......................................15W for 120V/60Hz and 220V-240V/50Hz
Weltronics Corp. reserved the right to improve its products at any time. Specifications are
subject to change without notice.
1. READ INSTRUCTIONS
16. DAMAGE REQUIRING SERVICE
All the safety and operating instructions should be read
before the appliance is operated.
2. RETAIN INSTRUCTIONS
The safety and operating instructions should be retained for
future reference.
3. HEED WARNINGS
All warnings on the appliance and in the operating instructions
should be adhered to.
4. FOLLOW INSTRUCTIONS
All operating and use instructions should be followed.
5. WATER AND MOISTURE
The appliance should not be used near water - for example,
near a bathtub, washbowl, kitchen sink, laundry tub, in a wet
basement, or near a swimming pool, etc.
6. CARTS AND STANDS
The appliance should be used only with a cart or stand that is
recommended by the manufacturer.
6A. An appliance and cart combination should be
moved with care. Quick stops, excessive force,
and uneven surfaces may cause the appliance
and cart combination to overturn.
7. WALL OR CEILING MOUNTING
PORTABLE CART WARNING
S3125A
This equipment is not designed for use mounted on a wall or a
ceiling.
8. VENTILATION
The appliance should be situated so that its location or position
does not interfere with its proper ventilation. For example, the
appliance should not be situated on a bed, sofa, rug, or similar
surface that may block the ventilation openings, or placed in a
built-in installation, such as bookcase or cabinet that may
impede the flow of air through the ventilation openings.
9. HEAT
The appliance should be situated away from heat sources
such as radiators, heat registers, stoves, or other appliances
(including amplifiers) that produce heat.
The appliance should be serviced by qualified service
personnel when:
a) The power-supply cord or the plug has been damaged; or
b) Objects have fallen, or liquid has been spilled into the
appliance; or
c) The appliance has been exposed to rain; or
d) The appliance does not appear to operate normally or
exhibits a marked change in performance; or
e) The appliance has been dropped, or the enclosure is
damaged.
17. POWER LINES
(APPLIES TO TUNER AND RECEIVERS ONLY)
An outdoor antenna should be located away from power lines.
18. OUTDOOR ANTENNA GROUNDING
(APPLIES TO TUNER AND RECEIVERS ONLY)
If an outside antenna is connected to the receiver, be sure the
antenna system is grounded so as to provide some protection
against voltage surges and built up static charges.
Section 810 of the National Electrical Code, ANSI/NFPA No.
70-1984, provides information with respect to proper
grounding of the mast and supporting structure, grounding of
the lead-in wire to an antenna discharge unit, size of grounding
conductors, location of antenna-discharge unit, connection to
grounding electrodes, and requirements for the grounding
electrode. See Figure.
a) Use No. 10 AWG (5.3 mm2) copper, No. 8 AWG (8.4 mm2)
aluminum, No. 17 AWG (1.0 mm2) copper-clad steel or
bronze wire, or larger, as a ground wire.
b) Secure antenna lead-in and ground wires to house with
stand-off insulators spaced from 4-6 feet (1.22-1.83 m)
apart.
c) Mount antenna discharge unit as close as possible to where
lead-in enters house.
d) Use jumper wire not smaller than No.6 AWG (13.3 mm2)
copper, or the equivalent, when a separate antennagrounding electrode is used. See NEC Section 810-21(j).
Antenna Grounding According to
the National Electrical Code
10. POWER SOURCES
The appliance should be connected to a power supply only of
the type described in the operating instructions or as marked
on the appliance.
Antenna Lead
In Wire
11. POWER-CORD PROTECTION
Power-supply cords should be routed so that they are not likely
to be walked on or pinched by items placed upon or against
them, paying particular attention to cords at plugs,
convenience receptacles, and the point where they exit from
the appliance
12. CLEANING
The appliance should be cleaned only as recommended by
the manufacturer.
Ground
Clamp
Electric
Service
Equipment
The power cord of the appliance should be unplugged from the
outlet when left unused for a long period of time.
Power Service Grounding
Electrode System
(NEC Art 250 Part H)
14. OBJECT AND LIQUID ENTRY
15. SERVICING
The user should not attempt to service the appliance beyond
that described in the operating instructions. All other servicing
should be referred to qualified service personnel.
Grounding Conductors
(NEC Section 810.21)
Ground Clamps
13. NON USE PERIODS
Care should be taken so that objects do not fall and liquids are
not spilled into the enclosure through openings.
Antenna
Discharge
Unit (NEC
Section 810.20)
National Electrical Code
Available from Library, book
stores, or National Fire Protection
Association (Batterymarch Park,
Quincy. MA 02269).
AMC 21-3004
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