Getting Black level from VN-V686
Format /api/param?camera.image.pedestal
Example of response camera.image.pedestal=50&200 OK
Interpretation Acquire black level setting. Range of pedestal is between 0 to 100, and it is mapped to 3 internal
levels. The larger the value, the brighter will be the black.
Allowed users admin, operator, user
Setting Black level for VN-V686
Format /api/param?camera.image.pedestal=data
Example of setting a value /api/param?camera.image.pedestal=50
Example of 1 step change /api/param?camera.image.pedestal=+
Example of response camera.image.pedestal&202 Accepted(camera.status=save)
Interpretation Change pedestal setting. Specify 0 to 100, "+" or "-". The value is mapped to 3 internal levels. It
becomes brighter 1 step by specifying "+", darker 1 step by specifying "-". The change is saved by the API,
camera.status=save. If the change is not saved, the setting is restored by reboot.
Allowed users admin, operator
Getting Gamma from VN-V686
Format /api/param?camera.image.gamma
Example of response camera.image.gamma=0.45&200 OK
Interpretation Acquire gamma setting. Value of gamma is 1, 0.55, 0.5, 0.45 or active.
When lcd1, lcd2 or crt is set to monitor type, gamma setting is ignored.
Allowed users admin, operator, user
Setting Gamma for VN-V686
Format /api/param?camera.image.gamma=data
Example of setting a value /api/param?camera.image.gamma=0.45
Example of 1 step change /api/param?camera.image.gamma=+
Example of response camera.image.gamma&202 Accepted(camera.status=save)
Interpretation Change gamma setting. Specify 1, 0.55, 0.5, 0.45 or active. 1 or 0.55 will show better image
quality when LCD monitor is used. 0.45 will show better image quality when CRT monitor is used. "active" will
change gamma dynamically according to image brightness. The change is saved by the API, camera.status=save. If
the change is not saved, the setting is restored by reboot.
When lcd1, lcd2 or crt is set to monitor type, gamma setting is ignored.
Allowed users admin, operator
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