Akai Multi Video Processor RMD-V3104U Instrukcja Użytkownika Pobierz pdf (Strona 39)

MVP MANUAL

(10) Horizontal, vertical blanking window position adjustment

[HWN, VWN commands]

Input : HWNdid2d3, VWNdid2d3

Explanation : • did2d3 :Compensation data 0 to 254

• HWN :Adjusts the H blanking window position.

VWN :Adjusts the V blanking window position.

However, the picture inside the blanking window also moves.

HWN, VWN adjustments

- - - - - - - - - - - - - - - - - - - -

Figure: Example of HWN, VWN Command Adjustment

(Note)

HPS, HWN, and HWD are commands to change reading and writing timings of the image memory,

and are mutuaiiy correlated. For this reason. Each of these three commands has a limited value

without varying the 0 to 255 range.

VPS, VWN, and VWD are also the same.

When the above command become the limited values, the image blinks three times.

(11) Horizontal, vertical blanking window width adjustment

[HWD, VWD commands]

Input : HWDd

, VWDd

Explanation : • did2d3 : Compensation data 0 to 254

• The pedestal of the video signal is masked by blanking which can adjust the bright level.

• HWD : Adjusts the H blanking window width.

VWD : Adjusts the V blanking window width.

PC image

HWD adjustment

Figure: Example of HWD Execution

(Note)

HPS, HWN, and HWD are commands to change reading and writing timings of the image memory,

and are mutually correlated. For this reason, Each of these three commands has a limited value

without varying the 0 to 255 range.

VPS, VWN, and VWD are also the same.

When the above command become the limited values, the image blinks three times.

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Akai Multi Video Processor RMD-V3104U Instrukcja Użytkownika Strona 39