8 step forward or reverse (dvd), 9 scan forward, reverse, or stop, Step forward or reverse (dvd) – Pioneer DVD-V5000 RS-232C User Manual
Page 25: Scan forward, reverse, or stop

DVD-V5000 DVD Player
RS-232 Command Protocol
However, if the disc program does not allow a pause, the player ignores the
command and returns an error message (E04).
Execution :
String
Status Return
DVD player
ST
R
Play mode to Still mode
PL
R
Return to Play mode
5.8
Step Forward or Reverse (DVD)
Function
: Playback is moved forward or in reverse by one Frame
Format :
SF
(Step
Forward)
SR
(Step
Reverse)
Explanation : If the command is sent while the player is in Random Access
mode, the picture moves one Frame forward or one Frame in reverse. After
the move is accomplished, the player enters Still mode and returns the
completed status message.
If the disc program does not allow a pause, the player ignores the command
and returns an error message (E04).
NOTE: A Video CD disc does not support the Step Reverse command
Execution :
String
Status Return
DVD player
SF
Moves 1 Frame forward
Play mode
R
mode
SRSRSR
Moves 3 Frames backwards
Play mode
R
mode
5.9
Scan Forward, Reverse, or Stop
Function
: Playback moves quickly forward or in reverse
Format
: NF
(Quick Forward scanning of the disc)
NR
(Quick Reverse scanning of the disc)
NS
(Stop Quick Forward/Reverse scanning and return to
normal playback)
Explanation : If the command is sent while the player is in Random Access
mode, the screen proceeds forward (NF) or in reverse (NR) quickly. When
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