User Manual

10
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4
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Cleaning
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Display Panel and Housing
This chapter explains about the cleaning of the device and sensors.
Cleaning the Display Panel
Since this device incorporates a touch screen, finger prints and other stains are likely to appear on
the display panel.
Follow the procedure below to clean the display panel.
1. Press the Key Lock
key for more than 2 seconds.
Reference
The Key Lock key needs to be preprogrammed as user key.
Refer to ” 8. System Configuration Ward Setup” for user key setup.
2. Clean the touch panel.
While the “Touch key OFF" message is displayed, the touch panel key will be deactivated.
If “LEAD OFF” or other message is displayed, the key lock message will not be displayed.
3. Wipe the touch panel using cleaning cloth.
4. Press again the Key Lock
key for more than 2 seconds.
The message will disappear and the keys will be activate again.
CAUTION
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Do not clean the touch panel using strong acid.
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A special coating is applied to the surface of the touch panel. Wipe the
surface with the soft cleaning cloth provided as optional accessory or
with commercially available eyeglass cleaning cloth.