Functions of Keys, Panel, and Tablet:
GUI button and Tablet button Action/function (In air system test mode)
EMER EMER Pressurizes trailer Emergency/Supply system
(Trailer air supply).
SERVICE SERVICE Activates trailer Service/Control system
AIR LEAK- AIR LEAK- Blocks air supply to trailer and reads air loss in
TEST TEST system.
GUI button and Tablet button Action/function (In electrical system test mode)
BRAKE BRAKE Tests brake light circuit
MARKER MARKER Tests marker light circuit
AUX AUX Tests auxiliary power circuit & power to ABS
LEFT LEFT Tests left turn circuit
TAIL TAIL Tests tail light circuit
RIGHT RIGHT Tests right turn circuit
GUI button and Tablet button Action/function (Special function keys)
SELECT SELECT Selects test mode
NOTES
► Only one electrical circuit operates at one time.
Lite-Check CERTIFIER 1200 Operations Manual
15
General:
The system provides two means of tester operation: The tester’s tablet PC and the computer’s
Graphical User Interface (GUI). The key names and functions are listed below:
TESTER OPERATION, GENERAL
SELECT