TM 11-6625-2632-14-1
NOTE
This table covers only items used by the operator; items used by higher category maintenance personal are covered in in-
structions for the appropriate maintenance category.
Function
Control, indicator, or connector
Meter
Indicates power level of transmitted radio signal.
Selects operating frequency.
Frequency selector switch (2-position rotary switch)
SW Pos
Function
121.5 MHz
Matches the meter circuit to 121.5 MHz.
243.0/282.8
Matches the meter circuit to 243.0 or 282.8 MHz.
TRANSMITTER connector
Connects to transmitting radio under test.
Connects to receiving radio under test.
RECElVER connector
Connector adapters (two provided)
Adapts radio under test to connectors on cable assemblies.
Cable assemblies (two provided)
Connects radio under test to test set.
Section
Ill.
OPERATION
UNDER
USUAL
CONDITIONS
2-7 Introduction
dust, salt spray, snow, or other contaminants as
possible. Testing can be performed in the presence
The test set can test a single radio for
of such contaminants, but it is best to avoid these
transmission or it can test a radio for reception of
c o n d i t i o n s . Remove the wrench, connector
a signal being transmitted by an identical radio.
adapters, and cable assemblies stored in the cover
The recommended procedure is to connect two
identical radios to the test set. The radio being
of the test set.
b. Check that both radio sets to be tested
used as a transmitter must be tested first, then the
contain batteries in good condition.
other radio is tested as a receiver. After the two
c. Remove antennas (fig. 2-1) from both radio
radios have been tested, transpose the two radios
sets to be tested. Use wrench supplied with test
and repeat the tests.
s e t if required (used only with AN/PRC-90
equipped with quarter wave antenna).
a. Select a test area which is as free of moisture,
