Selecting a NAV/COM Frequency using Rotary Knobs
1. Momentarily press the small knob once to highlight the STBY fi eld of
COM or NAV. The knob function defaults to COM after 30 seconds of
inactivity.
2. Turn the large knob to the desired MHz value.
3. Turn the small knob to the desired kHz value.
Frequency Flip/Flop
To fl ip/fl op the active and standby NAV/COM frequencies, press and
hold the small knob or touch the active NAV/COM frequency fi eld. An
annunciation, Hold for Flip-Flop, will be displayed near the knobs.
Audio Panel
The audio panel allows you to control the audio equipment of the aircraft.
A green bar indicates that a particular selection is enabled. Touch the Audio
Panel key on the main page (see Page 5) to confi gure speakers, radios, and
microphone.
The audio panel options page will be displayed.
4
Audio Panel Key
Audio Panel Options
GTN 725/750 Cockpit Reference Guide (CRG)
190-01007-04 Rev. C