Huawei TP3106 Commissioning Manual page 158

HUAWEI TP3106&TP3118&TP3118S
Commissioning Guide
3.
Step 5 Adjust video brightness.
Notes:
l There are two exposure modes for brightness adjustment: automatic and manual exposure.
l When adjusting video brightness, it is recommended that you do the following in order:
l Set the exposure mode to automatic exposure, and record the aperture (Iris VAL) and
l Change the exposure mode to manual exposure, and set the aperture (Iris VAL) and the
l In most cases, it is recommended that you set the aperture (Iris VAL) to 16 or 17 and the
To adjust video brightness:
Issue 01 (2015-02-12)
Set the aperture.
Set Aperture VAL (value range: 0-15) to the standard value 8 by running the following
command:
camera setc500Cameraparm aperture:8 camport:5
NOTE
If video remains unclear after you manually set the focus value, set the aperture. In most cases, set the
aperture to 10.
brightness gain (Gain VAL) settings.
brightness gain (Gain VAL) based on the previously recorded settings in automatic exposure
mode.
brightness gain (Gain VAL) to 2 or 3.
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