ALT-1 Operating Manual
Page 6
4.1 Exit Menu
Pressing the rotary control on this menu item will cause the ALT-1 to exit the menu system. All
changes made during navigation of the menu system will be saved in non-volatile memory on exiting
the menu system.
If you remove power before exiting the menu the instrument will not save any
changes.
4.2 Maximum Values
To avoid false recordings, the maximum values function is only activated 10 seconds after the
instrument has powered up.
Move the highlight over the “DONE” menu item and press the rotary button to return to the main
menu.
Move the highlight over this menu item and press the rotary button to reset the maximum altitude
and airspeed values to the current values.
4.3 Display Setup
Move the highlight over this menu option and press the rotary button to return to the main menu.
Select this menu option to adjust the display contrast.
Note:
(ADC Values and Calibrate Menus are only visible when powering up the unit and pressing the
Rotary Control). The text “CALIBRATE” will appear on the intro screen when entering this mode.
Warning:
The Calibrate Menu is for technical personnel only. Changing any values in this menu may
cause the instrument to display incorrect information, and may require the instrument to be returned to
the factory for recalibration.
