TM 11-5820-890-30-4
3-8. TEST ADAPTER. Continued
Figure 3-4. Test Adapter Power Supply
Table 3-1. Test Adapter Switches
NAME (NUMBER)
FUNCTION
TEST EQPT
Routes signals for testing to test equipment (to frequency
SELECTOR (S1)
counter, DMM, scope channel 1, or handset).
BASEBAND (S2)
Sets conditions on the AUDIO REF and AUDIO UUT connectors for
RF SWITCH (S3)
several audio and data operation modes:
SETTING
MODE
1
UUT RT transmits digital data
2
UUT RT receives digital data
3
Either RT transmits or receives audio
4
UUT RT transmits analog data
5
UUT RT receives analog data
Selects different RF paths for signals from either UUT or REF RT.
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