Faults Cause
401
Hardware failure
Maintenance and cleaning
The product is maintenance-free.
CAUTION! Never submerse the product in water or other
liquids. Do not allow any moisture to penetrate into the
product during cleaning.
Clean the laser beam output opening
lens
with a gentle air stream. In the case of more seri-
1
ous contamination, remove the dirt with a damp cotton
swab. Do not exert any strong pressure!
Never use petrol, solvents or cleaning agents that attack
plastic.
a qualified person for repairs.
To clean the casing, use a soft dry cloth.
Keep the product clean to ensure fault-free operation.
Storage
If you decide not to use the product for a long period, re-
move the batteries and store it in a clean, dry place away
from direct sunlight.
Solution
If the icon appears de-
spite repeated switching on
and off, take the product
to a specialist workshop
The product should only be opened by
and the receiver
2
GB/IE/NI
15