User's Manual

current Connection Interval (current Connection Interval with the remote
device), request the change of the Connection Interval after 30 seconds the
connection (The Default Connection Interval immediately after the connection
is about 30ms). Actually updated connection values are negotiated ones and
equal to or less than the requested values, depending on the remote devices.
Requested values should not exceed 4 seconds suggested in the
specifications.
Usage
example
(HOST→BT) : AT+CONNINTERVAL=70
(BT→HOST) : +OK
 Request 87.5ms as the Connection Interval (70*1.25ms)
5.2.4. AT+CONNINTERVAL?
Operation If you want to know the set values of the Connection Interval of the BT in the
HOST
Response +OK
Description
If the device receives the Request and performs the command normally, respond
with “+OK” and display the Connection Interval.
Usage
example
(HOST→BT) : AT+CONNINTERVAL?
(BT→HOST) : +OK
(BT→HOST) : 30
 You can know obtain from the Host device the information that the Connection
Interval of the BT is 37.5ms (30*1.25)
5.3. Client AT Command
5.3.1 AT+CLIENT=ROLE
Operation Used to change the role of the BT in the HOST when the BT is in the CLIENT
mode
Response +OK or +ERROR
Description If the device receives the Request and performs the command normally, respond
with “+OK” and then reset it. Otherwise, respond with "+ERROR." The Observer
mode outputs +SCANNING after the booting and Advertising Data after the
response, in real-time manner.
Usage (HOST→BT) : AT+CLIENT=C