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PIONEER DVD-V7200 Industrial DVD Player RS-232 Command Protocol Manual
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5.13 Multi-Speed Forward (DVD, VCD)
5.14 Multi-Speed Reverse (DVD)
Function : Playback occurs at the speed specified in the Speed Register
(Option - Auto Stop)
Format : (Address)MF (Multi-Speed Forward)
(Address)MR (Multi-Speed Reverse) (Address > 0)
Explanation : If the player is in Random Access mode when the command is
executed, the player enters Multi-Speed mode and returns the completed status
message immediately.
While in Multi-Speed mode, pictures are reproduced at the speed specified by the
Speed Register. No audio tracks are played during Multi-Speed playback.
If an address is specified, an Auto Stop occurs on the selected sequence. The
specified address is written as a Mark Frame or Mark Time and is compared with the
current address. If the current address matches the specified address, the player
enters Pause or Still mode and returns the completed status message. This command
functions in a similar manner as the Stop Marker command.
If another command is issued before the player reaches the specified Address, the
Auto Stop command is canceled and the player enters normal Multi-Speed mode.
However, if the disc program does not allow a pause, the player ignores the
command.
NOTE: There is no multi-speed reverse option without 1/2 speed in DVD. VCD
offers 1/2 to 1/16 speed forward only.
Sometimes an Auto Stop command within some Multi-Speed commands misses the
specific address. Depending upon when the command is sent, a playback address
may be missed by a maximum of ten-blocks.