TM 11-6625-3053-14
STEP
OPERATION
NORMAL INDICATION
CORRECTIVE ACTION
If the alinement ends here:
Deenergize the sig gen.
Replace dust cover (para 6-20).
8
ALINEMENT OF POWER SET/AUTO CAL KNOB AS ALC REFERENCE
Perform this alinement when there is no further need to keep the turning head removed from the
main frame.
Deenergize the sig gen.
Energize sig gen.
Wait 2 mins and set MODULATION switch to CW.
Adjust POWER SET/AUTO CAL control for a reading of 0.5 dBm on the POWER MONITOR meter.
White arrow on POWER SET/AUTO CAL control points directly to
vertical marker on front panel.
Loosen set screw holding POW-
ER SET/AUTO CAL knob to its
shaft.
Rotate knob so that white arrow
points directly to vertical line on
panel.
Tighten knob screw at that
position with 0.5 dB still reading
on POWER MONITOR
meter.
POWER SET/AUTO CAL knob is in proper position for ALC operation when the white arrow points
directly to the vertical line on the front panel.
If alinement ends here:
Deenergize sig gen.
Replace dust cover (para 6-20).
6-44