Manual

VIVOTEK
156 - User's Manual
* Only available when "rbgain" is listed
in "capability_image_c<n>_wbmode".
* Only valid when
"videoin_c<n>_whitebalance" != auto
* Normalized range.
exposurelevel 0~12 4/4 Exposure level
"0,12": This range takes the concept
from DC's exposure tuning options.
The definition is:
0: EV -2.0
1: EV -1.7
2: EV -1.3
3: EV -1.0
4: EV -0.7
5: EV -0.3
6: EV 0
7: EV +0.3
8: EV +0.7
9: EV +1.0
10: EV +1.3
11: EV +1.7
12: EV +2.0
irismode fixed, indoor, outdoor
<product dependent>
4/4 Control DC-Iris mode.
"outdoor": Auto-setting DC-Iris to get
best quality, but easy to meet rolling or
flicker effect in indoor environment.
"indoor": Avoid rolling and flicker
effect first.
"fixed": Open the iris to maximum.
* Only available when
"capability_image_c<n>_iristype"=dc
iris
piris_mode
<product
dependent>
manual, indoor, outdoor 1/4 Control P-Iris mode.
"outdoor": Auto-setting P-Iris to get
best quality, but easy to meet rolling or
flicker effect in indoor environment.
"indoor": Avoid rolling and flicker
effect first.
"manual": Manual set P-Iris by
"piris_position".