User Manual
46  VP-747 - VP-747 Communication Protocol 
Set Commands (F = Function) 
Control Type  Function  Param 1  Param 2  Param 3  Param 4  Description 
Set  Get 
0  1  44  1 ~ N  -  -  - 
Preview Input Main 
Source  
H-Position 
N: unfixed, changes with 
Input Mode 
0  1  45  2 ~ N  -  -  - 
Preview Input Main 
Source V-Position 
N: unfixed, changes with 
Input Mode 
0  1  46  -A ~ A  -  -  - 
Preview Input 
Frequency 
A = (max - min)/2 
min = 0 , max = 
changes with Input 
Mode 
0  1  47  0 ~ 31  -  -  - 
Preview Input Phase 
(only for VGA Source) 
0 
- 
48 
- 
- 
- 
- 
Preview Auto Image 
0  1  49 
0: Off 
1: On 
-  -  - 
Preview Over Scan 
Status 
0  1  50  -50 ~ 50  -  -  - 
Preview Picture 
Brightness 
0  1  51  -50 ~ 50  -  -  - 
Preview Picture 
Contrast 
0  1  52  -50 ~ 50  -  -  -  Preview Picture Color 
0 
1 
53 
-180 ~ 180 
- 
- 
- 
Preview Picture Hue 
0  1  54  -50 ~ 50  -  -  - 
Preview Picture 
Sharpness 
0  1  55 
0: Gamma 1 
1: Gamma 2 
2: Gamma 3 
3: Gamma 4 
4: Gamma 5 
-  -  - 
Preview Picture Output 
Gamma 
0  1  56 
0: Auto 
1: Video 
2: Film 
-  -  - 
Preview Picture Film 
Mode 
0  1  57 
0: Off 
1: Low 
2: Medium 
3:High 
-  -  - 
Preview Picture 
Temporal NR 
0  1  58 
0: Off 
1: Low 
2: Medium 
3: High 
-  -  - 
Preview Picture 
Mosquito NR 
0  1  59 
0: Off 
1: On 
-  -  - 
Preview Picture Block 
NR 
0  1  60 
0: Off 
1: Low 
2: Medium 
3: High 
-  -  - 
Preview Picture Detail 
Enhancement 
0  1  61 
0: Off 
1: Low 
2: High 
-  -  - 
Preview Picture Luma 
Transition Enhance 
0  1  62 
0: Off 
1: Low 
2: High 
-  -  - 
Preview Picture Chroma 
Transition Enhance 
0  1  63 
0: Best Fit 
1: Letterbox 
2: Follow Output 
-  -  - 
Preview Scale Aspect 
Ratio 










