Kustom Signals Pro-Lite Reference Manual page 13

The "ON" function is used to turn on primary power to
the Pro-Lite. The unit automatically turns off after 20
minutes from the last function or button push.
The "ENTER" function: Pressing the trigger button
when a Menu or Menu option is displayed on the LCD
accesses the selected Menu or selects the displayed option.
TEST/ ▼ ARROW
This is a dual function pushbutton switch. On the
initial push of the button, a unit Self-Test is performed.
When in a Menu Screen, the button functions as the
"down" selector. When in a Differential Distance Menu
item, it also selects the distance displayed.
MODE/ ▲ ARROW
This is a dual function pushbutton switch. The Mode
switch toggles between Speed and Range modes. While in
Menu screens, this switch functions as an "up" selector.
Upon initial power up, the unit defaults to Speed mode.
MENU/ESC
This is a dual function pushbutton switch. In the
Speed mode or the Range mode, the primary set-up Menu
is displayed when the pushbutton is depressed. In Menu
mode, pressing this button exits or escapes to the default-
operating mode unless you have already entered a sub-
menu by pressing ENTER. Pressing this button while in a
sub-menu will return to the main menu. Pressing this
button a second time exits or escapes to the default-
operating mode.
Pro-Lite Operator's Manual
Page 7