McIntosh MS300

MS300 Advanced Users Guide
3/3/2005
Page 52 of 65
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All the Database commands are available regardless of the power state, except for
Command 05, Play which will return an error response if attempted during standby. The
groups, styles, and custom genres are grouped into system groups and user groups. The
system groups have system groupings such as the All group, MP3 group, and Playlists
groups. The user groups contain the genres for your music and your custom genres that
have been created. The All radio station group and the NetRadio group are contained in
the radio system groups while all other radio stations are in the system group. Titles are
returned listed in alphabetical order by title regardless of the state of the user interface.
Database Commands
COMMAND
GROUP
SUB
COMMAND
DESCRIPTION
20 01 Get number of groups (genres) in the database
20 ESCX20010010002xx
xx = which list to get groups from, where
01 = System Music Groups
02 = User Music Groups
03 = System Radio Groups
04 = User Radio Groups
05 = System Movie Groups
06 = User Movie Groups
Reply Format: ESCX20010010004xxxx,
Where xxxx = total number of groups in the specified list
Once the total number of groups is known, you can ask
information for a range of groups using the 02 subcommand
20 02 Get group information
20 ESCX20020030002aa0004bbbb0004cccc
aa = which list to get groups from, where
01 = System Music Groups
02 = User Music Groups
03 = System Radio Groups
04 = User Radio Groups
05 = System Movie Groups
06 = User Movie Groups
bbbb = starting group number
cccc = ending group number
20 Reply Format: ESCX2002xxxGROUP1GROUP2etc…,
Where xxx = total number of groups multiplied by 2,
Each group is made up two items so
20 GROUP1 above = XXXXxxxxYYYYyyyyyyyy where
XXXX = length of item #1, by default this is 0003 but may
be
0004 if there are more than 999 titles in the group