Selecting a NAV/COM Frequency using Rotary Knobs
Press the center of the small right knob to change from the COM frequency
display to the NAV frequency display.
1. Turn or momentarily press the small right knob once to highlight the
STBY field of COM or NAV. The knob function defaults to COM after 30
seconds of inactivity.
2. Turn the large right knob to the desired MHz value.
3. Turn the small right knob to the desired kHz value.
4. Press the small right knob to confirm entry.
Frequency Flip/Flop
To flip/flop the active and standby NAV/COM frequencies, press and
hold the small knob or touch the active NAV/COM frequency field. An
annunciation, Hold for Flip-Flop, will be displayed near the knobs.
Voice Commands
If a GMA 350 is connected to the GTN, voice commands may be available.
Refer to GTN 6XX/7XX Telligence Voice Command Guide, P/N 190-01007-50.
4
GTN 625/635/650 Cockpit Reference Guide
190-01004-04 Rev. N