TM 11-6625-3053-14
STEP
OPERATION
NORMAL INDICATION
CORRECTIVE ACTION
Set signal generator initial settings of para 2-4, and ext power meter to the 0 dBm range.
Energize external power meter and sig gen if off.
Set MODULATION switch to CW if sig gen was on, or wait 2 mins before doing so if just energized.
Set ALC ON and SET.
Adjust signal generator ATTENUATOR control for a mid scale reading on ext power meter.
Note the ext power meter reading.
Switch MODULATION control to the EXT pulse position.
The RF OUTPUT power on the ext power meter should now be at least
20 dB lower.
Troubleshooting item 16.
12
LEVELED POWER OUTPUT CHECK.
If you are continuing from previous step, set MODULATION switch to RF OFF. If you are performing
this as a separate test, start with sig gen POWER off.
Connect test, set up as in electrical check step 11, if not so connected.
Set ext power meter to the +5 dBm range and set its POWER on. Energize sig gen, if off.
Set MODULATION switch to CW if sig gen was on, or wait 2 mins before doing so if just energized.
Center AUTO CAL/POWER SET control. Adjust ALC SET control for 0 or SET reading on panel
monitor meter.
6-25