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Spyder3 S3-14 and S3-24 Monochrome Camera User's Manual
03-032-20117-01
Teledyne DALSA
Setting the Readout Mode
Use this com m and to clear ou t d ark cu rrent ch arge in the vertical transfer gates im m ed iately before the
sensor is read ou t.
Camera Link Command
Parameter
Description
Notes
srm
0
: Au to. Clears d ark cu rrent below ~
45% of the m axim u m line rate. (1k and
2k cam era m od els only.)
1
: Dark cu rrent clear. Alw ays clears
d ark. Red u ces the m axim u m line rate.
(1k and 2k cam era m od els only.)
2
:
Im m ed iate read ou t. Does not clear
d ark cu rrent. (Defau lt m od e.)
Mod es 0 and 1 are not available to the 4k cam era
m od el.
The vertical transfer gates collect d ark cu rrent
d u ring the line p eriod . This collected cu rrent is
ad d ed to the p ixel charge. The m id d le tw o red
tap s have m ore vertical transfer gates and ,
therefore, m ore charge. This ad d itional charge is
esp ecially noticeable at slow er line rates.
If the u ser is in
sem 2
or
7
and
srm 2
, w ith
ssf
at 45% of the m axim u m , and then srm 1 is
selected , the follow ing w arning w ill be
d isp layed , bu t the ssf valu e w ill not be changed :
Warning 09: Internal line rate inconsistent w ith
read ou t tim e> The effect in both internal and
external line rate m od es is that an EXSYN C is
skip p ed and , therefore, the ou tp u t w ill be at
least tw ice as bright.
This valu e is saved w ith the cam era settings.
This valu e m ay be view ed u sing either the
gcp
com m and or the get
srm
com m and .
Example
srm 0
