Sanyo DSR - 300 manual Commands

1 INTERFACE SPECIFICATIONS

(when optional interface board is installed)

Commands

The received data/transmitted data (RXD/TXD) signal diagrams below are given from the point of view of the recorder.

zSome commands consist only of a single byte. The RXD/TXD signal diagrams for single-byte commands are as shown below.

RXD

TXD 0A

In the descriptions below, the RXD/TXD signal diagrams for commands of a single byte other than return codes have been omitted.

Precaution for RS-485 use

zWhen a group number is set, the command will not execute if it does not match the group number.

Commands for recorder operation

The commands below are 1-byte commands. The recorder returns ACK (0AH) for these commands. Confirm that ACK has been received before sending the next command.

„PLAY (3AH)

z Starts playback.

„STILL (4FH)

z If sent during playback, starts still mode.

„PLAY/STOP (3FH) z Stops the recorder.

„ALARM (ABH)

z If sent during playback of alarm image, playback skips to the next alarm.

„ALARM (ACH)

z If sent during playback of alarm image, playback skips to the previous alarm.

„CHANNEL (8CH)

z If sent during playback, displays the channel selection screen.

z If sent while the channel selection screen is displayed, switches to the all-channel display.

„COPY (8DH)

z Copies the image to the backup area or Compact Flash card.

„SEARCH (4AH)

z If sent while the recorder is stopped, the <SEARCH> screen is displayed.

„TIMER ON/OFF (60H)

z Sets timer recording to “ON” (timer recording standby) or “OFF” (timer recording canceled).

„SECURITY LOCK ON (69H) z Sets the security lock.

„REC REQUEST (FAH)

z Send this command immediately before sending the REC (CAH) command.

„REC (CAH)

z Starts recording.

z If sent during single-image recording mode, records the set number of frames (fields).

z Send this command after sending the REC REQUEST (FAH) command, and confirming that the recorder has returned the ACK response.

RXD	FA		CA
TXD		0A		0A

Use the STATUS SENSE (D7H) command to check the state of the recorder.

„REC STOP (CFH) z Stops recording.

„CHANGE DISK (7DH)

z The HDD’s power must be turned OFF before it can be removed. (Removal is not possible with the power ON.)

English 83