S e c t i o n II. OPERATION UNDER USUAL CONDITIONS
c. If helicopter power is to be used, connect extension
cable W5 in series with W4 and connect to helicopter
receptacle on left side of gunner's compartment.
This section contains preliminary setup and self-test
d. Set POWER switch to ON-60 Hz if 60-Hz power is
3-5. Preliminary Setup Procedures.
used. Set to ON-400 Hz if 400-Hz power is used. Observe
that the POWER indicator illuminates.
a. Set all switches having an OFF position to OFF (fig.
3-6. Self-Test Procedures.
b. Connect the appropriate power cable from the test
set to the power sources as follows:
Perform procedures of table 3-3. If failures occur, refer
to troubleshooting procedures in Chapter 4.
(1) If a 115-volt, 60-Hz power source is to be used,
connect power cable W3 between J3 on the test set and the
3-7. Operating Instructions.
(2) If a 115-volt, 400-Hz power source is to be used,
Refer to TM 9-1270-212-14&P for additional operating
connect power cable W4 between J3 on the test set and the
instructions for the test set.