Garmin GTN Series

GTN = Garmin Touch Series

Notes

When entering a frequency the "Find" button opens options for nearest, most recent, flight plan points, etc.
In the "Direct to" screen press the knob twice to select and activate the direct
Direct to contains a button for "nearest"

To switch between COM and NAV on the 650: press shortly the bottom right knob
To activate the standby frequency: press and hold the bottom right knob
To activate the emergency frequency: press and hold the upper left knob
When entering a frequency there are two buttons: "enter" to select the frequency in the stand by field; and "XFER" to directly enter it as active
Whenever a frequency is shown on the screen (e.g. at an airport information screen) it can be pressed to be selected as standby frequency

To go to the default page: press and hold the home key. On the 650 it is the CDI page and has buttons to go to the map page, change CDI between VLOC and GPS and set the OBS
To set the CDI beween VLOC and GPS: press and hold home to go to the default page and use the CDI button
To set the OBS: press and hold home to go to the default page and use the OBS button
To get information on a point (e.g. elevation): touch the point on the map and look in the bottom center of the screen
To get information on a waypoint: touch it and press the "Waipoint Info" button. If there are multiple waypoints close to each other, there is a "Next" button to switch between them. This works similarly for airspaces
Recenter the map to the aircraft: touch the "Back" button

To select an airway from an waypoint already in the flight plan: press on the waypoint; a list of available airways is shown; select the airway and to what point you want to follow it. Multiple waypoints can be entered this way
To activate a leg, insert another waypoint before/after: press on a waypoint in the flight plan
To edit the flight plan on the map: enter pan mode by panning a big; then press the "Graphically edit FPL" button and drag legs as requred

To select a procedure: press the home button; procedures; select the procedure
To activate vectors to final: press the home button; procedures; activate vectors to final