User`s manual

Configuring the Camera
BASLER A620
f 4-25
DRAFT
Register Name: Gain
Offset from Base Address: 0x820
Field Bit Description
Presence Inq
0 Indicates the presence of the gain control feature.
The value will be 1 on all A620f cameras, indicating that gain control is
available.
This field is read only.
Abs Control
1 Determines whether the gain will be controlled by the Value field of this
register or by the Absolute Value CSR for gain.
The value will be 0, indicating that gain can only be controlled by the
Value field of this register. Absolute value control is not available on
A620f cameras.
This field is read only.
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2 ... 4 Reserved
One Push 5 Sets “One Push” operation.
The value will be 0, indicating that one push is not in operation. One
push operation is not available on A620f cameras.
This field is read only.
On / Off
6 Sets whether gain control is on or off.
The value will be 1, indicating that gain control is on. The gain control
feature can’t be switched off on A620f cameras.
This field is read only.
A / M Mode
7 Sets whether the camera is in automatic or manual gain control mode.
The value will be 0, indicating that gain control is in manual mode. Au-
tomatic gain control is not available on A620f cameras.
This field is read only.
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8 ... 19 Reserved
Value 20 ... 31 Sets the gain.
The available range of gain values varies depending on whether the
camera is set to output 8 bits per pixel or 16 bits per pixel.
If the camera is set for 8 bit output, the gain value can range from 0 to
740.
If the camera is set for 16 bit output, the gain value can range from 0
to 125.
A value of 0 results in a gain of 0 dB.
A value of 125 results in a gain of 8.2 dB.
A value of 740 results in a gain of 20.2 dB.
Default = 150 when the camera is set for 8 bit output and 0 when the
camera is set for 16 bit output.