TM 11-6625-486-14&P
Control Settings
Step
Test Procedure
Performance Standard
No. Test Equipment
Equipment under test
1
AN/USM-26(*):
FUNCTION SW: CHK.
Tune AN/USM-159(*) to
None.
POWER: ON.
RANGE SW: B.
4,750-kHz checkpoint.
FUNCTION:
Adjust CORRECTOR for
FREQUENCY.
zero beat in H-216/U.
NOTE
STD FREQ: 10 MC.
Unless instructed
STD GATE TIME: 1.
to do so, do not
MIXING FREQ MCS:
disturb
0.
CORRECTOR
setting .
2
Same as step No. 1.
Same as step No. 1.
a. Connect AN/USM-26(*) as
a. None.
shown in figure 6-19.
b. Tune AN/USM-159(*) to
b. None.
4,765 kHz and record
frequency readout on
AN/USM-26.
3
Same as step No. 1.
Same as step No. 1.
Disconnect AN/USM-26(*) and
None.
proceed as in step No. 1
above.
4
Same as step No. 1
Same as step No. 1.
Same as step No. 2 above.
Frequency read on AN/USM-
26(*) in step 2 should agree
with reading obtained in
step No. 4 within
0.005%.
6-37. Dial Lock Frequency Shift
.
AN/USM-26(*).
b. Test Connections and Conditions. Connect the
equipment as shown in figure 6-20.
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