User's Guide

55
any AT command is not accepted but this command, which is not echoed on the screen.
When WCS-232 encounters a character ‘+’ from host, it stops the data transmission and
waits for next 2 characters. If the next 2 characters aren’t both ‘+’, it restart to transmit data
including the first ‘+’ as well. If not, it converts the operation status to ‘Standby’.
If the data from host includes ‘+++’, it will convert the operation status to ‘Standby’. Notice
that WCS-232 holds data transmission when it encounters ‘+’, until receiving next
character.
‘+’ is an escape sequence character by default, which is changeable by AT+SETESC.
It can’t use for remote configuration mode.
* Caution : In low power mode, you cannot change online status to command waiting status
by using the ‘+++’ string. Entering the ‘+++’ string during low power mode and online status
may entail unexpected errors.
B.3.14. AT+SETESC,nn
Response
 OK
Purpose
Change the escape sequence character
Description
Escape sequence character set to ‘+’ by default is changeable.
The parameter nn must be a printable character.
Example
AT+SETESC,42
B.3.15. ATO (ATOx, ATObdaddr)
Response
None
Purpose
Convert the operation status of ‘Standby’ to ‘Connect’
Description
You can convert the operation status of ‘Standby’ to ‘Connect’ ready to transmit data. In
Node Switching mode, a specific slave can be specified to become an active connection by
specifying the connection number or the Bluetooth address. It can’t use for remote
configuration mode.
Example
ATO
ATO3
ATO000195000001
B.3.16. AT+BTCANCEL
Response
 OK