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8. MAINTENANCE, TROUBLESHOOTING
8-10
8.6.3 Keyboard, remote controller test
The keyboard test checks the controls on the display unit and remote controller for proper
operation.
1. Press the MENU key to show the menu.
2. Press the SYSTEM CONFIGURATION soft key.
3. Press the SYSTEM SETUP soft key.
4. Press the TEST & CLEAR soft key.
5. Press the KEYBOARD & REMOTE TEST soft key.
For Remote Controller
For Display Unit
PUSH "CLEAR" KEY
3 TIMES TO RETURN
K-BOARD
TEST
I/R REMOTE CODE
Screen for testing keyboard, remote controller
6. Operate each control on the keyboard and remote controller one by one. A key is
functioning properly if its on-screen location “fills” in black when the key is pressed. For
the ENTER knob and Trackball, rotate them to show their X-Y positions digitally, and
push the ENTER knob to confirm its function.
7. Press the CLEAR key three times on the display unit or remote controller to escape
from the test.
8. Press the MENU key to close the menu.