2
0
1
5
-0
5
24
Maintenance and Repair
7
Maintenance and Repair
7.1
Maintenance
To get the best possible performance out of your device, keep the optical unit on
the device clean and clean it when necessary.
Observe the following instructions when cleaning:
■
Do not touch the optical unit with your fingers.
■
Do not immerse the device in water. Do not spray the device with water or
other fluids.
■
Do not use a scouring agent to clean the surface of the device.
■
Use a cotton or paper cloth moistened with water or isopropyl alcohol (not
soaked).
■
Remove any residual alcohol using a cotton or paper cloth moistened with
distilled water (not soaked).
■
Wipe the surface of the device dry using a lint-free cloth.
7.2
Repair
The devices must not be repaired, changed or manipulated. If there is a defect,
the product must always be replaced with an original device.