
Marlin Technical ManualV.2.7.0
4
Status LED yellow ..................................................................................................... 47
Control and video data signals ........................................................................................ 49
Inputs.................................................................................................................... 49
Triggers ............................................................................................................. 49
Input/output pin control ........................................................................................... 50
IO_INP_CTRL 1-2 ................................................................................................. 50
Trigger delay....................................................................................................... 51
Outputs.................................................................................................................. 53
IO_OUTP_CTRL 1-2 ............................................................................................... 54
Output modes...................................................................................................... 55
Pixel data.................................................................................................................... 57
Description of the data path ....................................................................... 60
Block diagrams of the cameras ........................................................................................ 60
Black and white cameras............................................................................................ 60
Color cameras.......................................................................................................... 61
IBIS5A multiple slope (High Dynamic Range mode) ............................................................. 62
Marlin F-131 with three knee-points ........................................................................ 63
White balance .............................................................................................................. 65
One-push white balance ............................................................................................ 67
Auto white balance (AWB).......................................................................................... 68
Auto shutter ................................................................................................................ 70
Auto gain.................................................................................................................... 73
Manual gain ................................................................................................................ 75
Brightness (black level or offset) ..................................................................................... 75
Look-up table (LUT) and gamma function .......................................................................... 77
Loading an LUT into the camera .................................................................................. 78
Shading correction ....................................................................................................... 79
How to store shading image ....................................................................................... 79
Automatic generation of correction data ....................................................................... 80
Requirements...................................................................................................... 80
Algorithm........................................................................................................... 80
Loading a shading image out of the camera ................................................................... 84
Loading a shading image into the camera...................................................................... 85
DSNU & blemish correction
(Marlin F-131B only) ..................................................................................................... 86
Horizontal mirror function.............................................................................................. 88
Binning (only Marlin CCD b/w models) .............................................................................. 89
2 x binning ............................................................................................................. 89
Vertical binning ....................................................................................................... 90
Horizontal binning ................................................................................................... 91
2 x full binning ........................................................................................................ 92
Sub-sampling (Marlin F-131B,
Marlin F-146C and Marlin F-201C) .................................................................................... 93
What is sub-sampling?............................................................................................... 93
Which Marlin models have sub-sampling?...................................................................... 93
Description of sub-sampling ....................................................................................... 93
Parameter update timing................................................................................................ 98