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5-1
5. INSTALLATION
INSTALLATION WARNING
WARNING
This equipment generates, uses, and can radiate radio frequency energy.
If not installed and used in accordance with the instruction manual, it
may cause interference to radio communications. Instillation of the
Model 30 Worldpatch should only be attempted by qualified radio
service personnel.
GENERAL
Connections to the transmitter, receiver, and power are grouped on a detachable
terminal strip on the rear for ease of installation. The Model 30 includes
installation test modes to aid in installation. Adjustments may be made on the
back of the Model 30.
EQUIPMENT REQUIRED FOR INSTALLATION
Required equipment includes:
1.
a communications service monitor
2.
a handheld or mobile radio with DTMF encode capability
3.
a VOM (volt-ohm-meter)
An oscilloscope is highly recommended, but not absolutely required.
INSTALLATION PROCEDURE
1.
POWER
SUPPLY:
Locate the 12 V
DC
supply for the radio receiver and
transmitter. With a VOM, measure the voltage. It should be between
10.5 V
DC
and 15.0 V
DC
. Connect the power supply ground lead to pin 2, and
the positive supply lead to pin 1.
2.
GROUND
CONNECTION:
Connect a chassis ground wire from pin 2 to
the chassis ground of the transmitter/receiver.
3.
TRANSMITTER
PTT:
Connect a wire from pin 7 (PTT) to the input of the
transmitter. Note that this output is a FET pull to ground.
4.
TRANSMITTER AUDIO OUTPUT:
Connect pin 5 to the microphone
input of the transmitter. Shielded cable must be used for this connection,
connect the braid to pin 6.
Содержание 30 Worldpatch
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