The following optical parts must be cleaned regularly:
•
Reflector
•
Infrared LEDs
NOTICE
Improper cleaning
Improper cleaning can destroy optical surfaces which may lead to a malfunc-
tion.
Precautions:
▶
Cleaning of all optical parts requires great care.
▶
Only use appropriate cleaning material and follow the cleaning proce-
dure described in this User Manual.
Use Isopropanol as cleaning liquid to soak tissues or cleaning swabs.
☞
Keep the content of the liquid container clean. Do not dip the
swabs into the liquid container, pour the liquid onto the swab or
tissue.
☞
Do not use common liquid cleaners or cleaning tissues for eye-
glasses. They can damage or leave a residue on the optical surfa-
ces.
To clean the reflector use the following procedure:
1.
Use hand blower to clear out dirt.
2. Use the hairbrush to loosen and remove remaining dirt.
3. Repeat procedure with the hand blower and brush until the
residues of dirt have been removed.
4. Use the cotton swabs or cleaning tissues soaked in cleaning
liquid to remove any remaining dirt.
To clean the infrared LEDs use the following procedure:
1.
Use hand blower to clear out dirt.
2. Use the cleaning brush to loosen and remove remaining dirt.
3. Repeat procedure with the hand blower and brush until the resi-
dues of dirt have been removed.
4. Use toothpicks only to remove dirt, which cannot be removed oth-
erwise.
☞
Use toothpicks with care. They can damage the opti-
cal surface.
5. Use cleaning swabs soaked in cleaning liquid to remove any
remaining dirt.
Cleaning liquid
Cleaning the
reflector
Infrared LEDs
34 Care and Transport