![background image](http://html1.mh-extra.com/html/barco/rlm-series/rlm-series_user-manual_4248504116.webp)
3. Advanced Commands
3.4
Viewport Active, Read
Description
Returns the status of the viewport function which allow to select an area of the image (window in PiP or full screen mode) to be
visible.
Command
Command [0]
\x21
Command [1]
\xB4
Returned Data
Data[0] = one byte : 0 = not active ; 1 = active
3.5
Viewport Active, Increment/decrement
Description
Increments/decrements the status of the viewport function which allow to select an area of the image (window in PiP or full screen
mode) to be visible.
Command
increment
Command [0]
\x22
Command [1]
\xB4
decrement
Command [0]
\x23
Command [1]
\xB4
3.6
Viewport Active Min/Max, Read
Description
Returns the Min/Max value of the viewport function which allow to select an area of the image (window in PiP or full screen mode)
to be visible.
Command
Minimum
Command [0]
\x26
Command [1]
\xB4
Maximum
Command [0]
\x27
Command [1]
\xB4
Returned data
Data[0] = One byte describing the Min/Max value of the viewport active command.
114
R5976884 RLM SERIES 04/04/2006