Instruction manual

Guppy Technical ManualV7.4.0
5
Auto shutter ............................................................................................................... 104
Look-up table (LUT) and gamma function ......................................................................... 106
Loading an LUT into the camera ................................................................................. 107
Defect pixel correction (only Guppy F-503B/C) .................................................................. 108
Building defect pixel data ......................................................................................... 110
Grab an image with defect pixel data....................................................................... 110
Calculate defect pixel coordinates .......................................................................... 110
Reset values (resolution, shutter, gain, brightness)................................................... 111
Activate/deactivate defect pixel correction .................................................................. 111
Store defect pixel data non-volatile ............................................................................ 111
Load non-volatile stored defect pixel data.................................................................... 111
Send defect pixel data to the host............................................................................... 112
Receive defect pixel data from the host........................................................................ 112
DPC data: storing mechanism..................................................................................... 112
Binning
(only Guppy F-036B and Guppy F-503B/C) ........................................................................ 113
2 x and 4 x binning .................................................................................................. 113
2 x vertical binning and 4 x vertical binning.................................................................. 114
2 x horizontal binning and 4 x horizontal binning.......................................................... 116
2 x full binning and 4 x full binning............................................................................. 118
Sub-sampling (only Guppy F-503B/C) .............................................................................. 120
What is sub-sampling?.............................................................................................. 120
Which Guppy models have sub-sampling?..................................................................... 120
Description of sub-sampling ...................................................................................... 120
Binning and sub-sampling access
(only Guppy F-503) ...................................................................................................... 125
Packed 12-Bit Mode ..................................................................................................... 128
HDR (high dynamic range) (Guppy F-036 only) .................................................................. 129
HDR overview (HiDy sensor) ...................................................................................... 129
Pixel operations in detail .......................................................................................... 130
Single knee point vs. two knee points.......................................................................... 131
Effects of a HiDy sensor ............................................................................................ 132
Advanced registers for high dynamic range mode (HDR) (Guppy F-036 only) ....................... 133
BAYER pattern (raw data output) .................................................................................... 134
Serial interface ........................................................................................................... 136
Controlling image capture.......................................................................... 141
Global shutter (CCD cameras only) .................................................................................. 141
Pipelined global shutter (only Guppy F-036) ..................................................................... 142
Electronic rolling shutter (ERS) and global reset release shutter (GRR) (only Guppy F-503) ........ 143
Trigger modes ............................................................................................................. 144
Trigger_Mode_0 (edge mode) and Trigger_Mode_1 (level mode) ...................................... 145
Guppy F-503, Trigger_Mode_0, electronic rolling shutter............................................ 146
Guppy F-503, Trigger_Mode_0, global reset release shutter......................................... 148
Trigger_Mode_15 (bulk trigger) ................................................................................. 149
Trigger delay .......................................................................................................... 152
Trigger delay advanced register ............................................................................. 153
Exposure time (shutter) and offset .................................................................................. 155