Racal Instruments AN/TRC-207, Operation And Maintenance Instructions

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TO 31R2-2TRC207-1
6-2
6-2.3 Radio A Tune Mode Verification.
Verify functionality of receive mode as follows:
a. Set the bi-directional repeater switches and controls as indicated in Table 6-2.
Table 6-2. Initial Switch and Control Settings for Radio A Tune Mode Verification
Switch/Control Position
AC/DC POWER switch (1, Figure 4-2) AC or DC, as applicable
INT/EXT switch (2, Figure 4-2) INT or EXT, as applicable
MODE SELECT switch (6, Figure 4-1) TUNE A
POWER switch (7, Figure 4-1) 2 WATT
Radio A Channel 1
Radio B Channel 2
b. Verify that the only LEDs illuminated on the bi-directional repeater front panel are POWER and RCV.
c. Verify that the green LED on Radio A receiver-transmitter is illuminated and that the green LED on
Radio B receiver-transmitter is not illuminated.
6-2.4 Radio B Tune Mode Verification
Verify functionality of transmit mode as follows:
NOTE
Be aware that while performing the initial power-up and diplexer tuning procedures, the bi-
directional repeater will radiate RF energy which can cause frequency interference. Do not
perform this procedure before the frequency use authorization is effective.
a. Set the bi-directional repeater switches and controls as indicated in Table 6-3.
Table 6-3. Initial Switch and Control Settings for Radio B Tune Mode Verification
Switch/Control Position
AC/DC POWER switch (1, Figure 4-2) AC or DC, as applicable
INT/EXT switch (2, Figure 4-2) INT or EXT, as applicable
MODE SELECT switch (6, Figure 4-1) TUNE B
POWER switch (7, Figure 4-1) 2 WATT
Radio A Channel 1
Radio B Channel 2
b. Verify that the only LEDs illuminated on the bi-directional repeater front panel are POWER and XMT.