2 MAINTENANCE, TROUBLESHOOTING
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2.5.4 LCD test
The LCD can be checked for proper display as follows:
1. Press the [MENU] key to open the main menu.
2. Press the [7] key to open the DIAGNOSTICS sub-menu.
3. Press the [4] key to choose LCD TEST. The screen color automatically
changes from yellowish-green to black alternately if the LCD is normal.
[LCD TEST]
[LCD TEST]
Yellowish-green Black
LCD TEST display
4. Press the [MENU] key to return to the DIAGNOSTICS sub-menu.
2.5.5 On/off history
The ON/OFF HISTORY log shows the date and time of the latest 30 power-ons
and power-offs. In special cases, on and off times of 0 W transmission may
also be shown. However, if the interval between power-on and power-off is
within 15 minutes it is not shown.
1. Press the [MENU] key to open the main menu.
2. Press the [7] key to open the DIAGNOSTICS sub-menu.
3. Press the [5] key to choose ON/OFF HISTORY.
[ON/OFF HISTORY]
PWR-ON 17/MAY/2002
05:35:54
PWR-OFF 17/MAY/2002
04:56:57
PWR-ON 17/MAY/2002
04:06:34
Power turned on 17 May 2002
at 05:35:54
ON/OFF HISTORY log
4. Use the [▼] or [▲] key to scroll the log.
5. Press the [MENU] key to return to the DIAGNOSTICS sub-menu.
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