User's Manual

Promi SD™ User Manual ver 1.7
www.initium.co.kr
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AT+BTLAST?<cr>
Function : Return BD_ADDR of the Bluetooth device to your host which your SD is
connected most recently.
Response : <cr><lf>BD_ADDR<cr><lf>
<cr><lf>OK< cr><lf>
Description : You can use this AT command if you need to refer the BD_ADDR of most
recently connected Bluetooth device.
AT+BTMODE, n<cr>
Function : Set the operating mode of your SD.
Response : <cr><lf>OK<cr><lf>
Description : Your SD has 4 different operating mode. According to the current operating
mode you set, your SD behavior differently.
n=0 : This means your SD is in MODE 0. MODE 0 is the default configuration.
n=1 : In MODE 1, your SD will try to make connection to most recently
connected Bluetooth device.
n=2 : In MODE 2, your SD will wait connection from most recently connected
Bluetooth device.
n=3 : IN MODE 3, your SD does INQUIRY SCAN and PAGE SCAN
alternately.
AT+BTNAME=”FriendlyName”<cr>
Function : Assign user friendly device name to your SD.
Response : <cr><lf>OK<cr><lf>
Description : You can assign your SD user friendly name by using this AT command. With
the assigned name, you can distinguish your SD easily from other Bluetooth
devices. Up to 32 characters are permitted as user friendly name.
AT+BTKEY=”nnnn”<cr>
Function : Change the passkey.
Response : <cr><lf>OK<cr><lf>
Description : When the authentication is enabled in your SD, you should assign passkey.
Two Bluetooth devices which are to be connected should have the same
passkey. The default passkey of your SD is ‘1234’. You can assign maximum
16 alphanumeric characters as a passkey.