Specifications

.3 Request System Status
This requests a system status, along with the disc number being transferred or the one installed in the drive.
bytebit 7 6 5 4 3 2 1 0
0
STX 02h
1
Command code 0
2
ETX 03h
3
BCCH high-level
4
BCCL low-level
Answers returned
bytebit 7 6 5 4 3 2 1 0
0
STX 02h
1
Reply code 0
2
Answer code
3
System status code
4
Zone mode ( single zone1dual zone2 )
5
Zone 1 status
6
Zone 2 status
7 Disc number in zone 1 (100 digits)
8 Disc number in zone 1 (10 digits)
9 Disc number in zone 1 (1 digit)
10 Disc number in zone 2 (100 digits)
11 Disc number in zone 2 (10 digits)
12 Disc number in zone 2 (1 digit)
13 Track number of zone 1 (10 digits)
14 Track number of zone 1 (1 digit)
15 Track number of zone 2 (10 digits)
16 Track number of zone 2 (1 digit)
17 Elapsed time of zone 1 (minutes, 10 digits)
18 Elapsed time of zone 1 (minutes, 1 digit)
19 Elapsed time of zone 1 (second, 10 digits)
20 Elapsed time of zone 1 (second, 1 digit)
21 Elapsed time of zone 1 (frame, 10 digits)
22 Elapsed time of zone 1 (frame, 1 digit)
23 Elapsed time of zone 2 (minutes, 10 digits)
24 Elapsed time of zone 2 (minutes, 1 digit)
25 Elapsed time of zone 2 (second, 10 digits)
26 Elapsed time of zone 2 (second, 1 digit)
27 Elapsed time of zone 2 (frame, 10 digits)
28 Elapsed time of zone 2 (frame, 1 digit)
29 ETX 03h
30 BCCH high-level
31 BCCL low-level
Special conditions
· If the status parameters of zones 1 and 2 of a specific answer are J ( the CD-TEXT disc is loaded
), the unit shall issue the Request CD-TEXT Name command and acquire new name information.
· While this unit runs in the single zone mode, the status of the currently active disc is
parametrized as zone 1 status, and the status of the disc on standby as zone 2 status.
· If there is no disc on the driver “Disc NO. Parameter” is “ 0”.
· Track NO. Parameters are ‘0‘ when there is no disc on the driver ,or the case of not finishing to
read the TOC , or at the Stop mode.
· A -time parameters are “0” except for play mode, pause mode,or during scanning.
· At the standby condition, the unit accepts Request System Status, Power On, Request CPU
Version, and Request Error Status commands. In the case of other commands , it returns command
format error “1” as the Answer code.
· TOC Read OK and Load CD-TEXT Disc zone statuses proceed to the next statuses after
sending the Request System Status command.
· During cross-fading, the fade-in status is set in the Zone 1 fields and the fade-out status is set
in the Zone 2 fields. The fade-out zone status (Zone 2) is 4DH ("M"). The Disk No, Track No, and Time
Elapsed fields are all zeros.
Other