Sanyo VCC-XZN600P Instruction Manual page 77

When the target object is located near the camera, adjust the nearest focusing distance to the object in
[LIMIT NEAR] on the FOCUS SETTING screen.
If it is difficult to adjust the focus using the auto-focus function, use the manual focus function.
Adjust the iris level or the aperture opening value. (CAMERA → IRIS)
Select "MIDDLE" or "HIGH" for the [MAX GAIN] setting under the AGC option. (CAMERA → AGC)
Set the electronic shutter setting to slow shutter speed (LONG). (CAMERA → SHUTTER)
Increase the level of electronic sensitivity (SENSE UP). (CAMERA → IRIS)
Adjust the iris level or the aperture opening value. (CAMERA → IRIS)
When noise occurs in the image because the object is dark, enable the digital noise reduction (DNR).
(CAMERA → AGC)
Use the backlight compensation function.
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