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3-3. Cleaning the Optical System
HMF
(1) Remove the two screws, and remove the IR/UV cut
filter.
(2) Remove the four screws, and remove the lens attach-
ing plate and lamp cover (front).
(3) Blow off the dusts on the HMF using the air blower
for optical use.
(4) For stubborn dusts which cannot be removed using the
air blower, clean with a cleaning cloth moistened with
cleaning liquid for optical use.
n
After cleaning, install the lamp house assembly after
the cleaning liquid has evaporated completely.
Lamp cover (front)
PSW3 x 6
Lens holder
PSW3 x 6
IR/UV cut filter
3-10
PSW3 x 6
HMF
Lens and IR/UV Cut Filter
(1) Blow off the dusts on the lens and IR/UV cut filter
using the air blower for optical use.
(2) For stubborn dusts which cannot be removed using the
air blower, clean with a cleaning cloth moistened with
cleaning liquid for optical use.
n
After cleaning, install the lamp house assembly after
the cleaning liquid has evaporated completely.
IR/UV cut filter
Cleaning
Lens holder
FVS-1000 MMP1
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