Garmin Aera 660 Pilot's Manual page 33

Entering predetermined data options:
Touch the Data Option Button to display a vertical list of data options (if
applicable), or toggle two data options
If using the vertical list, touch the desired data option from the list.
Changing Alpha Keypad Layout:
1) From the Main Menu, touch Tools > Setup > Keyboard.
2) Touch Landscape Keyboard Format to toggle between alphabetical and
QWERTY layouts.
3) Touch Preview to view the keypad layout before committing changes.
The setting only affects the keypad while the aera 660 is in landscape mode. While
in portrait mode, the aera 660 will only display the keypad in the alphabetical layout.
190-02017-20 Rev. E
(i.e., On/Off)
.
Garmin aera 660 Pilot's Guide
Overview
17