4069-XXX
Hardware Tests
The following Hardware Tests can be selected from this menu:
LCD Test
Button Test
DRAM Memory Test
ROM Memory Test
Parallel Wrap (if available)
Serial Wrap (if available)
Serial 1 Wrap (if available)
Serial 3 Wrap (if available)
LCD Test
To run the LCD Test:
1.Select LCD Test from the Diagnostic menu.
–The LCD test continually executes the LCD display test.
2.Press Return/Stop to cancel the test.
Button Test
To run the Button Test:
1.Select Button Test from the Diagnostic menu.
–With no buttons pressed, several OP (Open) appear on the display.
2.Press each button one at a time and a CL (Closed) displays in place of an OP. The proper operation of each button can be checked.
3.Press Return/Stop to cancel the test.
Diagnostic Aids
