The GPS navigation functions and optional VHF communication and navigation
radio functions are operated by dedicated hard keys, a dual concentric rotary
knob, or the touchscreen.
Figure 1 - GTN 750 Control and Display Layout
Figure 2 - GTN 635/650 Control and Display Layout
190-01007-A2 Rev. 6
AFMS, Garmin GTN GPS/SBAS System
Page 2
FAA APPROVED