ATN PS-27, Operator'S Manual

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2.2.4. OPERATING AT CHANGING LIGHT
CONDITIONS
The sight has a protection system, which cuts off the image inten-
sifier when ambient light level exceeds the limit of 40 lux during
10 seconds. If a mission has to be carrying out at changing light
conditions, it is possible to shut down the protection system with
the following procedure: take off the rubber cap from remote switch
connector and put it onto the light sensor (see Figure 2-6).
CAUTION
Do not forget to open the light sensor and put the cap back onto
the connector after finishing your mission.
2.2.5. STOWAGE OF PS-27
A.
Ensure the PS-27 and all accessories are clean and dry before
returning to storage case.
B.
Replace the objective cap and output cap on the lenses. Re-
move the battery.
C. Make sure the sight and accessories are stored in the appro-
priate locations in the case and close the cover.