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Commands sent from an external device to Presenter
* The commands
stx
(02H),
ACK
(06H), and
Xon
(11H)/
Xoff
(13H) are control codes.
PA
Select video clip
atxPA:a,b;
a: Palette number (0 to 19)
b: Clip number (0 to 31)
Send the palette number and clip number for the video clip that you wish to play back.
If Presenter correctly receives the command, it returns
ACK
. Be aware that if the video
clip does not exist, Presenter will not return
ER
.
* In the 49-key MIDI Keyboard Mode, the clip numbers range from 0 to 27.
PL
Start playback of selected video clip
stxPL;
If Presenter was able to start the playback, it returns
ACK
. If the selected clip does not
exist, it returns
ER
.
SP
Changing the video clip playback speed
stxSPa;
a: Multiples (-100.0–100.0)
Set the playback speed as multiples of the normal playback speed. You can set the range
to the decimal point. When a minus value is set, playback runs backward. Once the value
is set, it is valid until a different value is set or Presenter is shut down.
ST
Stop playback of video clip
stxST;
Stops the playback of the video clip. If Presenter was able to stop the playback, it returns
ACK
.
AC
Active sense request
stxAC;
Send to request the Presenter status. If Presenter is not performing any action, it returns
ACK
. If it is playing back a video clip, it returns
AC
.
ACK Proper reception response
ACK
Sent when correctly receives command sent from Presenter.
ER
Error
stxER:a;
a: Error number (0: Resend request)
Sent if there was an error during reception. Presenter resends the previously sent
command.
VR
Version information request
stxVR;
Send to request the Presenter version information. Returns VR.
QT
Quits Presenter
stxQT;
Quits Presenter and begins shut down procedure.
XON/XOF
Flow control
Xon
Xoff
Содержание DV-7PR
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