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You can quickly increase the brightness of the infrared illuminator with a sin-
gle long press of more than 3 seconds, until it has reached 100%. The red
indicator will be lit during this operation. After reaching 100%, long presses
will have no effect.
Increase brightness of the image display:
When the device is turned on,
you can increase the brightness of the image display by 10% with each short
press (less than 1 second) of the button, until the display reaches 100%.
After reaching 100%, short presses will have no effect.
Multifunction button
(2 functions):
• Decrease brightness of the infrared illuminator
• Decrease brightness of the image display
Decrease brightness of the infrared illuminator:
When the infrared il-
luminator is on (red status LED lit), a single press (more than 1 second, and
less than 3 seconds) of the button decreases the brightness of the infrared
illuminator by 20%. This can be repeated until the brightness reaches 0%
and the infrared illuminator switches off. The red status LED then switches off
as well. After turning off, long presses will have no effect.
When the infrared illuminator is on (red status LED lit), a single long press
of more than 3 seconds quickly extinguishes the infrared illuminator, and
the red status LED switches off. After turning off, long presses will have no
effect.
Decrease brightness of the image display:
When the device is turned
on, you can decrease the brightness of the image display by 10% with each
short press (less than 1 second) of the button, until the brightness reaches
0%. After reaching 0%, short presses will have no effect.
Summary of Contents for 90-75000
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