Martel Electronics BetaGauge 3II - Manual (Page 22)

1-7 General Description
Special Keys
The special keys, in the right portion of the keypad,
allow you to perform specific BetaGauge II operations.
These special keys are described below:
Key Allows you to …
MENU Scroll forward through the menu items
under the Setup menu and the
Calibration menu.
ON/OFF Turn the BetaGauge II on and off.
ZERO Set any displayed value to zero.
(Starburst) Toggle a display backlight on and off
as needed. Refer to Section 4 for
information on how to set the time
delay for the backlight shut off.
CLR Exit the current display screen and
return to the previous menu.
BAT Read the exact battery voltage.
(Up/Down
Arrows) Scroll through alphanumerical
characters for data entry purposes.
ENTER Accept keypad entries.