CESSNA AIRCRAFT COMPANY FOR TRAINING USE ONLY
MODEL 152 9-20
Figure 1. Cessna 300 Nav/Com (Type RT-385A), Operating Controls and Indicators (Sheet 1 of 3)
1. COMMUNICATION OPERATING FREQUENCY READOUT (Third-decimal-place is shown by the position
of the “5-0” switch).
2. 5-0 SWITCH – Part of Com Receiver-Transmitter Fractional MHz Frequency Selector. In “5” position,
enables Com frequency readout to display and Com Fractional MHz Selector to select frequency in
.05-MHz steps between .025 and .975 MHz. In “0” position, enables COM frequency readout to
display and Com Fractional MHz Selector to select frequency in .05-MHz steps between .000 and
.950 MHz.
NOTE
The “5” or “0” may be read as the third decimal digit, which is not
displayed in the Com fractional frequency display.
3. NAVIGATION OPERATING FREQUENCY READOUT.
4. ID-VOX-T SWITCH – With VOR or LOC station selected, in ID position, station identifier signal is
audible; in VOX (Voice) position, identifier signal is suppressed; in T (Momentary On) position, the
VOR navigational self-test function is selected.
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