32
Spyder3 SC-34 Color Camera User's Manual
03-032-20116-01
Teledyne DALSA
Setting the Readout Mode
See also, the Clearing Dark Cu rrent section in Ap p end ix A for m ore inform ation on this m od e.
Pu rp ose:
Use this com m and to clear ou t d ark cu rrent charge in the vertical transfer gates
im m ed iately before the sensor is read ou t.
Syntax:
srm
Syntax Elem ents:
i
0
: Au to. Clears d ark cu rrent below ~ 45% of the m axim u m line rate.
1
: Dark cu rrent clear. Alw ays clears d ark. Red u ces the m axim u m line rate.
2
:
Im m ed iate read ou t. Does not clear d ark cu rrent. (Defau lt m od e.)
N otes:
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 pixel 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 .
Related Com m and s:
sem, ssf
Exam p le:
srm 0
Enabling Line Delay
Pu rp ose:
Tu rning off line d elay m ay resu lt in a better im age w hen you are im aging a w eb that is
m oving extrem ely fast.
Syntax:
eld
Syntax Elem ents:
i
0
: Off.
1
: On.
Exam p le:
eld 0
All manuals and user guides at all-guides.com