Videonics PowerScript PS4000S Instruction Manual page 201

Postscript graphics and character generator with timebase correction

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Videonics PowerScript

Specify the direction for the Roll or Crawl you want with the four buttons at the top of

Direction

the section. The ﬁrst button rolls the page upward, the second downward; the third

crawls the page right-to-left, the fourth left-to-right.

Indicate where you want the roll or crawl to start and stop on the page. You can stop or

Start/Stop

start the effect from off the screen, or at the middle of the page. If you select the Start Off

Screen option, you cannot simultaneously select the Stop Off Screen option.

To control the speed of the roll or crawl, enter a value in the SPEED text box, or use the

Speed

slider to set the speed. Speed can range from 1 to 100, with 1 being the slowest and 100

the fastest. This is a relative value—for example, setting the speed to fastest causes Power-

Script to run the effect as quickly as it can.

Duration Target can be used to specify the number of seconds you want the roll or crawl

Duration

to run. Enter the number of seconds in the text box, then click the Options Button to dis-

play this menu.

ROLL/CRAWL OPTIONS Menu

Select one of the options to specify how you want PowerScript to calculate a duration

value based on your Target speed. When you close the menu and return to the TRANSI-

TIONS menu, the speed that PowerScript is able to achieve appears in the Actual text box.

If the Actual speed indicated does not meet your requirements (such as the speed not fall-

ing within your required range, or the page plays in a "choppy or jerky" motion during

playback), re-display the ROLL/CRAWL OPTIONS menu and try using a different

option.

Save—Saves the transition speciﬁcations for the page.

Play—Previews the effect of the transition you create.

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Powerscript ps4000sc