Denon DN-V300 - Professional DVD Player, Инструкции по последовательному управлению

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4 Description of PS Commands
Ⅱ
. External Control Status: PS group
Detailed description of the status confirmation commands
10. Get player status confirmation request ( GetStatus ) ---- Valid when the power is on
<Format> [PS,GetStatus]<CR>
<Reply> [PS,GetStatus,Error code,Status code]
(For the error codes, refer to the list of error codes on page 6.)
<Details>
・
Sends a request for the DN-V300’s operating status.
・ In response to the request, the DN-V300 returns the error code corresponding to the
sent command and the status code indicating the DN-V300’s status.
・
During loading, the DN-V300 does not respond to the command, and the received command is
not valid. Send the command again after loading is completed or until there is a response.
List of status codes
Code Name Description
0 Error Disc error or other problem has arisen
1 Opened Tray is open
2 No Disc Tray is closed by no disc is loaded
3 Stopped Stop mode condition
4 Playing Play mode condition
5 Pause Still or pause mode condition
Example: To get the DN-V300’s operating status
[PS,GetStatus]<CR>
→
A request for the DN-V300’s operating status is sent from the controller.
[PS,GetStatus,0,4]
←
The sent message’s error code 0 (no error) and status code 4
(Playing) are returned from the DN-V300.
11. Get current disc type confirmation request ( GetDiscType ) ---- Valid when the power is on
<Format> [PS,GetDiscType]<CR>
<Reply> [PS,GetDiscType,Error code,Disc Type code]
(For the error codes, refer to the list of error codes on page 6.)
<Details>
・
Sends a request for the status of the disc loaded in the DN-V300.
・
In response to the request, the DN-V300 returns the error code corresponding to the
sent command and the disc type code indicating the loaded disc type.
・ During loading, the DN-V300 does not respond to the command, and the received command is
not valid. Send the command again after loading is completed or until there is a response.
List of disc type codes
Code Disc type Description
0 No Disc Tray is open or no disc is loaded
1 DVD
2 VCD/SVCD
3 CD-DA
4 MP3 A CD-R/RW disc containing MP3 or JPEG files is loaded
Example: To get the DN-V300’s disc type
[PS,GetDiscType]<CR>
→
A request for the disc type is sent from the controller.
[PS,GetDiscType,0,1]
←
The sent message’s error code 0 (no error) and disc type
code 1 (DVD) are returned from the DN-V300.