Basler A640F, User Manual, Page: 95 / 188

Configuring the Camera
BASLER A640
f
4-31
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 A640f 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
A640f cameras.
This field is read only.
--- 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 A640f 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 A640f 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 A640f cameras.
This field is read only.
--- 8 ... 19 Reserved
Value 20 ... 31 Sets the gain.
The gain setting can range from 350 to 1023 on a camera set for mono
8, raw 8, or YUV 4:2:2 output.
The gain setting can range from 350 to 511 on a camera set for mono
16 or raw 16 output.
A setting of 350 results in a gain of 0 dB (1x).
A setting of 1023 results in a gain of 25.9 dB (20x).
Default = 370