TM 5-6675-323-14
5-20.1
Adjust
Dimmer
C i r c u i tt
M O S : 41B, Topographic I n s t r u m e n t
Repair
Specialist
TOOLS :
Light Meter
A l i n e m e n t Tool
WARNING
High voltages in light box may cause injury or death. Use insulated
alinement tool, proper grounding of power cord, and care in adjustment
to prevent injury. - -
Plug in power cord.
a.
b. Turn fan motor control switch on.
c.
Turn illumination controls fully right and wait 15 minutes.
d. Place light meter in center of light grid being adjusted. (For
right light grid, light meter is placed in center of right illumi-
nated viewing stage.)
Change 1
5-42
