
Cheetah Python Camera with USB3 Interface
–
User Manual
December 5, 2017
Page
26
of
78
Rev 1.0
Parameter Name
Type
Value
Access
Description
"Off"
0
"Horizontal"
1
"Vertical"
2
"BothDirections"
3
PixelClockInfo
Integer
RO
Current pixel clock
frequency in MHz.
TestPattern
Enumeration
String
Numeric
"Off"
0
"GreyHorizontalRamp"
1
"GreyVerticalRamp"
2
"GreyHorizontalRampMoving"
3
"GreyVerticalRampMoving"
4
"CrossHair"
5
RW
Selects type of test
pattern generated
by device as image
source.
3.4.4 Acquisition Control
Parameter Name
Type
Value
Access Description
AcquisitionStart
Command
WO
Starts device
acquisition.
AcquisitionStop
Command
WO
Stops acquisition
at end of the
current frame.
AcquisitionAbort
Command
WO
Aborts acquisition
immediately. Ends
capture without
completing current
frame or waiting
on trigger.
ExposureMode
Enumeration
String
Numeric
"Off"
0
"TriggerWidth"
1
"Timed"
2
RW
Sets operation
mode of exposure.
(Trigger must be
enabled to use
TriggerWidth).
ExposureTime
Float
Min:
ExposureMinExpr
Max:
ExposureMaxExpr
RW
Sets exposure time
in microseconds.
AcquisitionFrameRateE
nable
Boolean
RW
Sets acquisition
frame rate (in Hz).
AcquisitionFrameTime
Integer
Min:
Frame_MinFrameT
imeReg
Max: 1000000
RW
Sets frame time in
microseconds.
AcquisitionFrameRate
Float
Min: 0.9999999
Max: FrameRateMaxExpr
RW
Controls
acquisition rate (in