Cessna 1980 182Q Pilot's Operating Handbook And Flight Manual page 330

27
CESSNA 400 NAV/COM
(TYPE RT-485A)
PILOT'S OPERATING HANDBOOK
SUPPLEMENT
course deviation pOinter centered, with a FROM flag. ARC function will not
operate on localizer frequencies.
NOTE
Engaging either Automatic Radial Centering (ARC) functions will
alter the airplane's course any time the autopilot is engaged and
coupled to any frequency other than a localizer frequency.
22. AUTOMATIC RADIAL CENTERING (ARC) LAMP - Amber light illuminates
when Automatic Radial Centering is in use. ARC light dimming is only available
when installed with an audio control panel incorporating the annunciator lights
DAY /NITE selector switch.
23. COURSE CARD - Indicates selected VOR course under course index.
24. OMNI BEARING SELECTOR (OBS) - Rotates course card to select desired VOR
radial.
25. TO/FROM INDICATOR (TO/FR) - Operates only with a usable VORorlocalizer
signal. When white flag is in view, indicates whether selected course is TO or
FROM station. With usable localizer signal. TO flag is in view.
26. NAV INDICATOR FLAG - When in view, red NAV position (Flag) indicates the
selected VOR or loealizer signal is unusable.
Figure 1. Cessna 400 Nav/Com (Type RT-485A), Operating Controls and
Indicators (Sheet 4 of 4) .
SECTION 3
EMERGENCY PROCEDURES
There
is
no change to the airplane emergency procedures when this
avionic equipment is installed. However, if the frequency readouts fail, the
frequency controls should not be moved due to the difficulty of obtaining a
known frequency under this condition. The radio will remain operational
on the last frequency selected, and the preset frequencies in MEMORY may
be selected by pressing the appropriate MEMORY pushbutton.
6
1 October 1979