5 block number request (cd), 6 frame number request (dvd), Block number request (cd) – Pioneer DVD-V5000 RS-232C User Manual
Page 48: Frame number request (dvd)

DVD-V5000 DVD Player
RS-232 Command Protocol
Execution :
String
Status Return
DVD player
Play mode
?T
?T
6.5
Block Number Request (CD)
Function
: Returns the current Block number
Format :
?B
Explanation : The player returns the value of the current Block number as a 7-
digit integer. Correct values show only when the player is in Random Access
mode.
If a Block number is unavailable, the player retains the previous value.
Execution :
String
Status Return
DVD player
?B
Play mode
11 min, 53 sec, 10 Blocks
6.6
Frame Number Request (DVD)
Function
: Returns the current Frame number
Format :
?F
Explanation : The player returns the contents of the Current Frame Register.
The player may experience a conflict between the command receiving/
handling and the Frame number updating. Thus, continuous Frame numbers
may be unavailable when the system is in Playback mode.
If the command is sent to a disc without Frame numbers, the player returns
error message E04.
Accurate, current values are available when the player is in Random Access
mode.
If a disc Frame number is unavailable, the player retains the previous value.
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