Appendix LB 983 NightSHADE II Operating Manual
122
10.1.7 Test Light Source
The Test Light Source is used to calibrate and test the System.
It contains a low light source which will glow for about 15 min. without external supply. To
charge the unit, use the included mains adapter.
Charging is indicated by a red LED on the test plate. As soon as the plate is fully charged, the
green LED will light. It takes about 1-2 minutes to charge the plate.
Now the plate is ready to be used in the NightSHADE. The spot with the white reflector
(microplate position E9) emits light with an energy of approx 20nW (see individual certificate).
This spot can be used to check the NightSHADE calibration. The measuring time should not ex-
ceed 1 second since the camera could be saturated otherwise.
Position E6 gives a lower signal intensity. This position can be used to check the detection limit
with additional neutral density filters on top of the light source.
A special center plate is optionally available to place the E9 light spot at the center of the image.
The required light position is controlled though the sliding switch at the side of the plate (position
E9 -> overl.; E6 -> 96). When the plate is not in use put the slider switch to position „OFF“.
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