Figure 3-2. Radio Set Control C-7999/GRC-171 Controls and Indicators

TO 31R2-2GRC171-2

TM 11-5820-815-14

NAVELEX 0967-LP-544-5010

Table 3-1. AN/GRC-171 Controls and Indicators (Sheet 1 of 4)

CONTROL OR

REFERENCE

INDEX

INDICATOR

DESIGNATION

FUNCTION

RADIO RECEIVER-TRANSMITTER RT-980/GRC-171 (Figure 3-1)

TEST switch

A10A1S2

12-position rotary switch. Selects OFF or 1 of 9 inputs to

TEST meter as follows:

FWD PWR

REFLD PWR

% MOD

TEMP

+26V

+22V

+12V

+5V

-12V

TEST meter

A10A1M1

Multiscale meter. Presents visual indication of signals

selected by TEST switch S2 as follows:

(Cont)

FWD PWR and REFLD PWR on WATTS scale.

3-2