G. AVIONICS FLIGHT CHECKS (CONT)
(1) Station WWV - Select the frequency that
provides the best signal. The station
broadcasts on 2.5000, 5.0000, 10.000,
15.0000, and 20.0000 MHz. The higher the
frequency selected, the more accurate the
frequency check will be.
Do not key transmitter when set to WWV.
(2) Mode selector - USB.
(3) Listen to the time tick, tone, or voice
announcements. The tone is preferable.
* 8. ADF radio set Check as follows:
Power and mode switch - ADF.
Tuning knobs - Set test frequency. Tune the
ADF receiver to at least three frequencies as
nearly equally spaced as possible
throughout the frequency range of 200 to
Single or double bearing pointer source
selector switch (display controller) - ADF.
Both single and double needle pointers on
both the pilot's and copilot's EHSI should be
Verify accuracy of ADF indications on pilot's
and copilot's EFIS displays over a known
ground reference point approximately every
* 9. Navigation receivers (VOR/localizer/