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Service Instructions
Multimobil 5C
6.7.1 Pin assignment & interfacing details
6.8 Periodic Checks
No special periodic checks are required. It is recommended that the following checks
be performed about once a year to maintain optimal performances.
1 Check the Inspection Sheet supplied with the product to check whether or not the
system resolution has decreased compared with that at the time of installation. If the
resolution has decreased compared with that at the time of installation, re-adjust the
lens focussing.
2 Check the Inspection Sheet to check whether or not the system sensitivity has
decreased compared with that at the time of installation.
If the sensitivity has
decreased, check whether or not there is dust on the CCD surface. If there is dust on
the CCD surface, wipe off the dust with a soft cloth. If there is not dust on the CCD
surface, the cause is due to the decrease of the II brightness. Compensate for low
brightness by widening the lens aperture. However, do not open the aperture wider
than F/2, to prevent peripheral resolution from being decreased.
If an image noise is high during image rotation, clean the slip-ring surface with a cotton
stick moistened with alcohol. (Be careful not to touch the brushes.) If not improved,
remove the "DRIV-ER BOARD" PV;B and slip-ring PWB to clean the brush contact in
the same manner. (Be careful not to catch the wire contact.)
Siemens Ltd. Med India
Version 5.0
Page 43 of 73
Copyright © SIEMENS LTD. All rights reserved. For internal use only
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Troubleshooting
