Command Set
Command
Command Packet
Comments
CAM_ExpComp
On
8x 01 04 3E 02 FF
Exposure
compensation
on/off/reset
Direct: pq = position
(0h-0Eh)
See "Exposure
Compensation Values
(CAM_ExpComp)" on
the next page
Off
8x 01 04 3E 03 FF
Reset
8x 01 04 0E 00 FF
Up
8x 01 04 0E 02 FF
Down
8x 01 04 0E 03 FF
Direct
8x 01 04 4E 00 00 0p 0q FF
CAM_Shutter
Reset
8x 01 04 0A 00 FF
Shutter setting
pq = shutter position
(00h – 15h)
See "Shutter Speed
Values (CAM_Shutter)"
on page 51
Up
8x 01 04 0A 02 FF
Down
8x 01 04 0A 03FF
Direct
8x 01 04 4A 00 00 0p 0q FF
CAM_Iris
Reset
8x 01 04 0B 00 FF
Iris setting
pq = iris position
(0h, 05h-11h)
See "Iris Values (CAM_
Iris)" on page 52
Up
8x 01 04 0B 02 FF
Down
8x 01 04 0B 03 FF
Direct
8x 01 04 4B 00 00 0p 0q FF
CAM_Gain
Reset
8x 01 04 0C 00 FF
Iris gain setting
pq = gain position (01h
– 0Fh)
p = gain limit (04h-0Fh)
See "Iris Gain Values
(CAM_Gain)" on
page 52 and "Iris Gain
Limit Values (CAM_
Gain)" on page 53
Up
8x 01 04 0C 02 FF
Down
8x 01 04 0C 03 FF
Direct
8x 01 04 4C 00 00 0p 0q FF
+Gain Limit
8x 01 04 2C 0p FF
CAM_BackLight
On
8x 01 04 33 02 FF
Backlight
compensation On/Off
Off
8x 01 04 33 03 FF
CAM_Aperture
Reset
8x 01 04 02 00 FF
Aperture setting
Up
8x 01 04 02 01 FF
Down
8x 01 04 02 02 FF
49
Integrator's Complete Guide to the DocCAM 20 HDBT Ceiling-Mounted Document Camera
