Operation and Features
3-30 BASLER L304kc
Draft
3.6.4 Offset Lock
As described in Section 3.6.3, the red, green and blue offset settings let you individually adjust the
offset applied to each line in the sensor. When the offset lock feature is disabled, the red offset,
green offset and blue offset parameter settings can be adjusted independently. Adjusting any one
of these parameters will have no affect on the other two parameter settings.
When you enable the offset lock feature, the current relative relationship of the red offset, green
offset and blue offset settings become locked together. If you adjust any one of these parameters,
the other two parameters will automatically be adjusted so that the relative relationship is
maintained.
The offset lock feature is useful if you want to adjust the color balance of your images by setting
the red, blue and green offset and then you want to maintain that balance when you make any
further offset changes. For example, you could first adjust your color balance by individually
adjusting the red offset, green offset and blue offset with the offset lock disabled. Once your color
balance was acceptable, you would enable the offset lock. With the offset lock enabled, an
adjustment to any one of the offset settings would automatically result in an adjustment to the
other two settings and the balance will be maintained.
3.6.4.1 Enabling the Offset Lock
You can enable the offset lock with the Camera Configuration Tool Plus (CCT+) or by using binary
write commands from within your own application to set the camera’s control and status registers
(CSRs).
With the CCT+
With the CCT+ (see Section 4.1), you use the Offset Lock parameter in the Gain & Offset
parameters group to set the offset lock.
By Setting CSRs
You enable the offset lock by writing a value to the Mode field of the Offset Lock CSR (see page
4-24).
See Section 4.2.2 for an explanation of CSRs and Section 4.3.1 for an explanation of using read/
write commands.
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When the offset lock is enabled, the lower limit for one or two of the offset settings
may be restricted. This restriction is necessary to avoid driving any of the offset set-
tings below the allowed minimum in order to maintain the locked-in relationship.
When the offset lock is enabled, the upper limit for one or two of the offset settings
may also be restricted. This restriction is necessary to avoid driving any of the offset
settings above the allowed maximum in order to maintain the locked-in relationship.
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