Sena 205 User Manual download pdf (Page 46)

Promi-SD User Manual – Appendix. B S-Register B-3

S11=0, Promi-SD does not allow escape sequence character. The operation status of Connect cannot be changed to

Standby. As Promi-SD skips the process detecting escape sequence character, the more efficient data transmission is

expected.

S11=1, Promi-SD allow escape sequence character. Whenever it is needed, the Connect status can be changed to

Standby.

 S12: Clear Data Buffer When Disconnected (default 0)

S12=0, Promi-SD does not clear the data buffer received from host system when disconnected.

S12=1, Promi-SD clears the data buffer when disconnected.

 S14: Enable DTR Transfer (default 1)

S14=0, DTR/DSR signal is transferred to loop-back.

S14=1, DTR signal is transferred to DSR of remote device.

 S15: Enable Disconnect by DTR (default 0)

S15=0, DTR signal cannot release the connection.

S15=1, The Bluetooth connection can be released when DTR signal is off.

This value decides whether Bluetooth connection is released when DTR signal drops or not. If this value is 1, you can use

DTR signal in order to disconnect Bluetooth connection.

 S22: Fast Connect (default 0)

S22=0, none

S22=1, page scan

S22=2, inquiry scan

S22=3, page/inquiry scan

 S24: Maximum Number of Inquiry Result (default 10)

The maximum number of inquiry list can be controlled. This value is up to 15,

 S28: Escape Sequence Character (default 43)

The decimal number of the ASCII code of escape sequence character can be controlled. The initial value is 43, the

ASCII code of ‘+’.

 S31: Page Timeout (default 300)

This is the timeout in seconds to attempt connection with ATD command. After this timeout expires, the SD will restart

automatically. If this value is 0, SD will attempt to connect without restarting

 S33: Inquiry Timeout (default 30)

This is the timeout in seconds to execute inquiry scan.

 S37: Supervision Timeout (default 16000)

This is the timeout in 625μsec to presume disconnection, which is set to 16000 initially. 16000625μ sec=10sec)

The smaller the value becomes, the more quickly Promi-SD can detect an abnormal disconnection. But when the

communication is suspended for some environmental reasons, it may be regarded as disconnection.

 S46: BD Address of Last Connected Device

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Sena 205 User Manual Page 46