To check buttons in Diagnostic mode

1Press 9 on the one-touch keypad.

2Press each button on the control panel.

3Press an extra button.

For each button pressed during the test, a + character appears on the LCD (initially, five + characters appear on the screen to account for the 9 on the one-touch keypad and for four other spaces that have no button correspondence).

When all of the buttons have been pressed, the display fills with + characters. If you press any other button after the display is full, an OK message appears on the control-panel display, and both LEDs toggle on and off.

To exit Diagnostic mode

1Press VOLUME, ENTER/MENU, and 1 on the one-touch keypad simultaneously.

2Release the buttons.

2

EN

LJ 3200 Service mode functions 115