d. A transmitter which is functioning properly should emit a characteristic downward swept tone.
e. When the test is completed, ascertain the transmitter ON/ARM/OFF switch is in the ARM position.
f. Place the access panel on the right side of the fuselage aft of sta. 228.30.
WARNING
Whenever the unit is checked by moving the transmitter ON/ARM/OFF
switch from the ARM to the ON position, it must then be moved to the OFF
position before reverting to the ARM position again.
CAUTION
Under normal conditions, the transmitter switch must be set to arm.
12-11. TESTING PILOT’S REMOTE SWITCH. Before performing any operational test of the pilot’s remote
switch, the same precautions noted in paragraph 12-10 must be observed.
a. Tune the aircraft communications receiver to 121.5 mHz and switch the receiver ON, deactivate the
squelch and turn the receiver volume up until a slight background noise is heard.
NOTE
If the aircraft is not fitted with a communications receiver, request that the
tower listen for your test.
b. Set the pilot’s remote switch to the ON position. Hold the switch in this position for only a few
seconds.
NOTE
The test transmission should have been picked up by the aircraft
communications receiver and/or control tower. During cold weather, there
may be a slight delay before transmission occurs.
c. Set the pilot’s remote switch to the momentary OFF, RESET position. The switch is spring loaded to
automatically return to the ARM position.
Revised: 2/13/89
2K1
CHEROKEE ARROW III SERVICE MANUAL
ELECTRONICS
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