Appendix Ⅰ Maintenance - Dahua DH-HACHMW3200L-FR User Manual

Appendix Ⅰ Maintenance
Attention
Please maintain the device according to the following instructions in order to ensure the image
effect and long-term stable operation of the device.
Maintenance for lens and mirror surface
The lens and mirror surface are covered with antireflection coating, so it may produce
hazardous substance and lead to performance reduction or scratch, dimness etc. Please don't
touch sensor CCD (or CMOS) directly, you can use hair dryer to remove dust or dirt on the
lens surface. Please use dry cloth slightly soaked with alcohol to get rid of dust and dirt gently
if it is necessary to be cleaned.
Camera Body Maintenance
Use a soft dry cloth to clean the camera body when it is dirty, in case the dirt is hard to remove,
use a clean dry cloth soaked with mild detergent and wipe gently, make it dry later. Don't use
volatile solvent like alcohol, benzene, thinner and etc. or strong detergent with abrasiveness,
otherwise it will damage the surface coating or reduce the working performance of the device.
Note

This manual is for reference only. Slight difference may be found in the user
interface.

All the designs and software here are subject to change without prior written
notice.

All trademarks and registered trademarks mentioned are the properties of their
respective owners.

If there is any uncertainty or controversy, please refer to the final explanation of
us.

Please visit our website or contact your local service engineer for more
information.
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