Triadis Engineering Glide Computer and Navigation System Owner's Manual page 12

Button press : Enter. In dialog forms, selects the button under the
cursor. The menu button immediately above the ro-
tary knob can also be used as an Enter button in dialog
forms.
The assignment of functions to buttons is fully customisable, so
can be tailored to each owner's preferences. Owners may then
wish to re-label the buttons on the case. A summary of the function
of the user interface elements is presented as a quick reference
card in Appendix F. Refer to the XCSoar Advanced Configuration
Guide for details on customising the interface.
On the front of the display is a slot for USB memory sticks for file
transfer.
The F4 key (directly above the rotary knob) can be used as an alter-
nate ENTER key (instead of pressing the rotary knob) in dialogs.
The F6 and F7 keys (directly to the right of the rotary knob) can
be used to select the next or previous page in multipage dialogs.
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