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.
FIGURE 2-8. INSTALLATION OF RUBBER CAP FROM
CAUTION
Do not forget to open the light sensor after finishing your mis-
sion.
2.2.5. GAIN CONTROL
A variable gain control allows the night vision user to manually com-
pensate for frequent changes in light condition.
FIGURE 2-9. PS-40MGC wITH MANUAL GAIN CONTROL
2-10
THE CONNECTOR TO THE LIGHT SENSOR
GAIN CoNTRoL KNoB
(For MGC verSIoN oNly)