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35)
INDEX NUMBER REQUEST
CD
Function: The index number which is currently being played is returned.
Format: ? I
Explanation: Contents of the Index Number Register are returned.
The index number is returned with the track number as a 4-digit
integer: track number (01-99) and index number (00-99). Correct
values will not be shown if the player is not in Random Access
Mode, or if the player is in the lead-in or lead-out area of a disc. An
error (E04) is returned if this query is sent to the player while a
LaserDisc is playing.
Execution: * Play Mode, Track 12, Index 03 of a CD is playing
? I <C/R> 1203 <C/R>
36)
BLOCK NUMBER REQUEST
CD
Function: The block number which is currently being played is returned.
Format: ? B
Explanation: Contents of the Block Number Register are returned.
The block number is returned as part of a 7-digit integer: minutes
(00-59), seconds (00-59) and block number (00-74). Correct values
will not be shown if the player is not in Random Access Mode, or if
the player is in the lead-in or lead-out area of a disc. An error (E04)
is returned if this query is sent to the player while a LaserDisc is
playing. Block locations are not available through the on-screen
display. If the block number of the disc cannot be read correctly,
the previous number will be returned. The value of hours is set to
0. An absolute time number is returned.
Execution: * Play Mode plays to 12 minutes, 05 seconds, block 15 of a CD.
? B <C/R> 120515 <C/R>
37)
P-BLOCK NUMBER REQUEST
CD
Function: The current track, index and P-time (elapsed time of current
track) numbers are returned.
Format: ? A
Explanation: Contents of the P-Time Number Register are returned.
CLD-V2800 Level III • Chapter Three
CLD-V2800 Level III User’s Manual TP 120 v. 1.0 • 10/95 3-33