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External Control Commands
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Multi-Track Jump Forward (JF)
Command:
Jumps forward in the current MPEG file or playlist by the amount
specified in the <address> argument.
Format:
<address>JF<CR>
Response:
R<CR>
Explanation:
The Jump Forward command is similar to the search command
accept that the address argument is interpreted relative to the
current file and playlist position and the new position is always
forward of the current position. In the event that a Jump Forward
command is received with an out of range address value (i.e. –
chapter number greater than the remaining number of files in the
playlist) the Jump Forward command will not be processed and the
error code “E12” will be returned.
Examples:
0@CH3JF
Jumps to the head of the file 3 places down in the playlist and then
transitions to still mode. If for example file 1 is currently playing,
this command would advance to the head of file 4. If there are
fewer than 3 files remaining in the playlist for channel 2 error code
E12 is returned and no change is made.