Cessna TR182 1979 Pilot Operating Handbook page 260

CESSNA 300 NAV/COM
(TYPE RT-385A)
PILOT'S OPERATING HANDBOOK
SUPPLEMENT
18. RECIPROCAL COURSE INDEX - Indicates reciprocal of selected VOR course.
19. OMNI BEARING SELECTOR (OBS) - Rotates course card to select desired
course.
20. AUTOMATIC RADIAL CENTERING (ARC-PUSH"TO/PULL-FR) SELECTOR -
In center detent. functions as conventional OBS. Pushed to inner (Momentary On)
position. turns OBS course card to center course deviation pointer with a TO flag,
then returns to conventional OBS selection. Pulled to outer detent. continuously
drives OBS course card to indicate bearing from VOR station. keeping course
deviation pointer centered. with a FROM flag. ARC function will not operate on
localizer frequencies.
21. AUTOMATIC RADIAL CENTERING (ARC) LAMP - Amber light illuminates
when Automatic Radial Centering is in use.
22. COURSE CARD - Indicates selected VOR course under course index.
Figure 1. Cessna 300 Nav/Com (Type RT-385A), Operating Controls
and Indicators (Sheet
2
of 3)
4
1 October 1978