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ENGLISH
Software specifications
✽ These operating instructions only include a general description of the serial remote commands.
For details of the individual commands, consult your store of purchase.
2 Basic procedure for transmitting and receiving commands
Basic protocol of this interface: The device with which serial communications are possible (referred to as “the controller” below)
issues commands and the DN-V1700 returns messages indicating that the commands have been executed.
When using a computer, serial communications are possible using Hyper Terminal included as standard with Window™ 95 and later.
2 Command format
ASCII character codes are used for actual commands and messages. Commands are expressed with two characters. There is no
distinction between capital and small letters, but the two must not be combined.
The <CR><LF> code (0DH,0AH) is affixed to the end of commands. The DN-V1700 recognizes that the command is complete
through this code.
Some commands may include parameters (arguments), but as commands also serve to terminate parameters, be sure to place
parameters before the command and do not include spaces, etc. The maximum length of commands including arguments is 49
characters.
[Example] 20SE<CR><LF> : Search for 20th clip
In this case, 20 is the parameter, SE is the command.
2 Command transmission and reply message
When the DN-V1700 receives a command and completes the instructed task or when an error occurs, the DN-V1700 returns a reply
message to the controller. There are three types of reply messages:
• Task completed message “R” indicating that the task has been completed normally
• “R” indicating a status message in reply to a status request command + terminator
• Error message “E✽✽” indicating that an error has occurred.
A 2-digit number following the “E” in the error message indicates the error type.
✽ The message “OK” is returned after the power is turned on or the system is rebooted.
Y
N
Command
processing
error?
Command transmission
Error generated during command processing
(error message E✽✽)
Controller DN-V1700
Normal
completion
R (task completed message)
or request message + R