A. NVG option (for SIM 7Q)
A.2 Description of a full dimming cycle
Introduction
The operator does not have to perform any action other than lowering the TOD value. This can be done through the projector’s OSD
or by sending commands using the API protocol (e.g. through the IG).
Dimming from full light transmission to a TOD value lower than 1000
Assume that we want to dim the light output, starting from a TOD of 10000 and end up with a TOD value of 100. The following
sequence will be followed:
1. First phase (TOD value is lowered, but has not reached 1001 yet): ECR is dimming the light output until it comes to its minimum,
being 40%
2. Second phase (TOD value is further lowered to 1001): CCD starts further dimming the light output
3. Third phase (TOD is set to 1000):
- NVG filter moves into the light path
- ECR returns to full transmission
- CCD returns to full transmission
- NVG Dynacolor set is enabled
4. Fourth phase (TOD drops further below 1000): ECR is dimming the light output until it comes to its minimum, being 40%
5. Fifth phase (TOD value is further lowered to 100): CCD starts further dimming the light output
Increasing the light transmission from a TOD value below 1000 to full transmission
Assume that we want to go back from a TOD value of 100 to full light transmission, ending up with a TOD value of 10000.The
following sequence will be followed:
1. First phase (TOD value is increased from 100 on): CCD is moving to higher transmission until is has reached full transmission
2. Second phase (TOD value is increased until 1000): ECR is moving to full transmission
3. Third phase (TOD is set to 1001):
- NVG filter moves out of the light path
- ECR returns to its minimum, being 40%
- CCD returns to the position that meets the TOD setting of 1001
- CLO-TOD tracking Dynacolor set is enabled
4. Fourth phase (TOD value is further increased): CCD is moving to higher transmission until is has reached full transmission
5. Fifth phase (TOD value is further increased to 10000): ECR is moving to full transmission
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