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THORLABS DCC1645C User Manual

THORLABS DCC1645C
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© 2013 Thorlabs GmbH
4 Programming (SDK)
333
4.3.87 is_SetHardwareGain
USB 2.0
USB 3.0
USB 2.0
USB 3.0
Syntax
INT is_SetHardwareGain (HIDS hCam, INT nMaster, INT nRed, INT nGreen, INT nBlue)
Description
is_SetHardwareGain() controls the sensor gain channels. These can be set between 0 % and 100 %
independently of of each other. The actual gain factor obtained for the value 100 % depends on the sensor and is
specified in Camera and sensor data chapter.
You can use the is_GetSensorInfo() function to query the available gain controls.
Notes
1. Sensor Gain
A signal gain will also result in a noise gain. High gain settings are therefore not recommended.
We suggest the following gain settings:
1. Enable the gain boost function is_SetGainBoost() .
2. If required, adjust the gain setting with is_SetHardwareGain()
New gain settings might only become effective when the next image is captured. This depends on the time when
the gain settings are changed.
2. Linearity of Sensor Gain
On DCx Cameras, you can set the gain factor in increments from 0 to 100. These increments are not graduated
linearly throughout the range due to the sensor. The increments will typically be greater in the upper range than in
the lower range.
The maximum gain factor settings also vary from sensor to sensor.
3. Default Settings for RGB gains
The default setting values for the red, green and blue channel gain factors depend on the color correction matrix
that has been set. If you select a different color correction matrix, the returned default values might change (see
also is_SetColorCorrection() ).
Input parameters
hCam
Camera handle
nMaster
Sets the overall gain factor (0...100).
IS_IGNORE_PARAMETER
The master gain factor will not be changed.
IS_GET_MASTER_GAIN
Returns the master gain factor.
IS_GET_RED_GAIN
Returns the red channel gain factor.
IS_GET_GREEN_GAIN
Returns the green channel gain factor.
IS_GET_BLUE_GAIN
Returns the blue channel gain factor.
IS_GET_DEFAULT_MASTER
Returns the default master gain factor.
IS_GET_DEFAULT_RED
Returns the default red channel gain factor.
IS_GET_DEFAULT_GREEN
Returns the default green channel gain factor.
IS_GET_DEFAULT_BLUE
Returns the default blue channel gain factor.
IS_SET_ENABLE_AUTO_GAIN
Enables the auto gain functionality (see also
is_SetAutoParameter() ). You can disable the
auto gain functionality by setting a value for nMaster.
nRed
Sets the red channel gain factor (0...100).
IS_IGNORE_PARAMETER
The red channel gain factor will not be changed.
nGreen
Sets the green channel gain factor (0...100).
IS_IGNORE_PARAMETER
The green channel gain factor will not be changed.
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THORLABS DCC1645C Specifications

General IconGeneral
BrandTHORLABS
ModelDCC1645C
CategorySecurity Camera
LanguageEnglish

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