Cessna 1980 182Q Pilot's Operating Handbook And Flight Manual page 313

PILOT'S OPERATING HANDBOOK
SUPPLEMENT
24
CESSNA 400 DME
(TYPE R-476A)
4. TEST / ON -OFF SWITCH - Controls application of power to DME circuits (turns
equipment on or off); selects display lamp test for DME and RNA V displays.
5. GROUND SPEED/TIME DISPLAY - Displays ground speed in knots or time-to-
station in minutes. as follows:
a. With GS/TTS Switch set to GS. displays ground speed component to or from
station in knots (aircraft must be flying directly to or from the VOR/DME
station for true ground speed indication).
b. With GS/TTS Switch set to TTS. displays time to VOR/DME station in
minutes at the ground speed component indicated.
c. With GS/TTS in RNA V mode will display ground speed component or time-
to-station at that speed to the selected VOR (not the waypoint).
Figure
1.
Cessna
400
DME (Type
R-476A)
(Sheet 2 of 2)
1
October
1979
3