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6881096C77-O
September 26, 2003
Theory of Operation: Vehicle Interface Port (VIP)
3-13
Figure 3-2. Cabling Interconnect Diagram for Dash Mount
3.4.1.1.2 Remote-Mount Installations
VIP outputs function exactly the same in remote-mount installations as the dash mount. However,
three VIP outputs are available at the remote-mount accessory cable connector. VIP OUT 1 is on pin
12, VIP OUT 2 is on pin 3, and VIP OUT 3 is on pin 15.
Figure 3-3. Cabling Interconnect Diagram for Remote Mount
3.4.1.2 VIP Input Connections (Remote-Mount Only)
Three VIP input lines are also available in remote-mount installations. VIP IN 1 is on pin 14, VIP IN 2
is on pin 10, and VIP 3 is on pin 9. These connections are used to accept input from switches or
other circuits in the vehicle. The VIPs are biased at about 5 volts, and to be activated the inputs are
switched to ground. Normally, a switch is connected from a VIP input line to ground. The switch can
be normally open or normally closed, depending on VIP programming and the particular function
being performed.
RADIO COMPARTMENT = OPERATOR COMPARTMENT
VEHICLE BATTERY
COMPARTMENT
A good chassis connection via the black primary
power cable is essential for radio operation and
to prevent damage to the radio and cable kit.
Connection to the vehicle frame is desirable.
VEHICLE
BATTERY
15A OR 20A
FUSE
PART OF
VEHICLE
WIRING
VEHICLE
IGNITION SWITCH
ON/ACC
GROMMET
RADIO POWER CABLE
(RED/BATTERY HOT)
RADIO IGNITION
CABLE (thin RED)
SPEAKER
3A OR 4A FUSE
MICROPHONE
RADIO POWER CABLE (BLK/GROUND)
RADIO
(-)
(+)
CAUTION
MAEPF-27646-O
Rear connector
CH
SEE NOTE
NOTE:
Caution: if you choose to connect the radio’s IGNITION line directly to the car’s battery, excess use of the radio when the car’s ignition is not running (i.e. alternator running)
could result in a slow discharge of the car’s battery. This configuration allows the radio to operate with the car’s ignition switch ON or OFF.
If the radio’s IGNITION line is wired to the car’s ignition switch, the radio will only function when the car’s ignition switch is turned ON.
RADIO COMPARTMENT
OPERATOR COMPARTMENT
VEHICLE BATTERY
COMPARTMENT
A good chassis connection via
the black primary power cable
is essential for radio operation
and to prevent damage to the
radio and cable kit. Connection
to the vehicle frame is desirable.
VEHICLE
BATTERY
15A OR 20A
FUSE
PART OF
VEHICLE
WIRING
VEHICLE
IGNITION SWITCH
ON/ACC
GROMMET
GROMMET
SEE NOTE
RADIO POWER CABLE
(RED/BATTERY HOT)
RECEIVER
CONTROL
CABLE (GRN)
RADIO CONTROL
CABLE (BLK/MULTI-
CONDUCTOR)
SPEAKER
TRANSMITTER
CONTROL
CABLE (ORG)
4.0A FUSE
MICROPHONE
VIP
MIC
RADIO (ORG)
(GRN)
RADIO
POWER CABLE
(BLK/GROUND)
RADIO
(-)
(+)
CAUTION
NOTE:
The orange and green power cables connect to either the vehicle battery or the ignition switch. Connect the green cable directly to the battery. The receiver operates
when the control head is on. Connect the orange cable to the ignition switch. The transmitter operates only when the ignition switch is on. Alternate connections:
Connecting both green and orange cables to the battery allows the control head to turn the receiver and transmitter on or off. Connecting both green and orange cables
to the ignition switch allows the ignition switch to turn the receiver and transmitter on or off. (Alternator whine and other noise problems may occur. Isolate the green
cable with a Motorola relay, part #59-00813674.)
MAEPF-27616-O
Содержание ASTRO W5
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Страница 12: ...x List of Tables September 26 2003 6881096C77 O Notes ...
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Страница 24: ...September 26 2003 6881096C77 O 1 8 Introduction Control Heads Notes ...
Страница 68: ...7 8 Exploded Views and Parts Lists Large Pushbutton Parts September 26 2003 6881096C77 O Notes ...
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