User manual
VIVOTEK
264 - User's Manual
strength level of defog. 
defog_affect -,
wdrpro:unchanged:, 
or others 
<x>: nonnegative integer 
<product dependent> 
0/7  When defog is enabled, some features 
may become malfunction or be forced 
to a given value. The affected 
functions are list here. 
The format is "Affect API 
name":"Policy":"Description" 
"Policy" can be categorized into 
following groups: 
- (disabled) : UI turns grey and users 
can't select it.   
- (unchanged) : UI keeps the status as 
before and   
user can't change it. 
- (hidden) : UI is hidden. 
- (fixed) : UI is fixed to one selection or 
value. 
- (ranged) : UI is fixed to multiple 
selections or values. 
- (enabled) : UI is checked.   
- (notsupport) : the affected function 
is not available. 
"Affect API name" can be described in 
hierarchy, such as 
"exposurewin.mode.blc:disabled:" 
which means blc exposure window is 
disabled. API name can be one word as 
well, such as "exposurelevel:fixed:6" 
which means exposurelevel is fixed to 
level 6. 
"Description" can be a nonnegative 
integer or string or NULL. 
"-" means no feature is affected. 
* When "defog" = 0, this value must be 










