Netum C750 Manual De Instrucciones página 8

By scanning the appropriate barcode below will change the bluetooth transmit speed.
Transmission Speed Via Bluetooth Connection
AT+HIDDLY=4
High Speed
When you plug the USB dongle to your device, USB HID-KBW feature will be enabled by
USB DONGLE AS HID-KBW
default. Then scanner's transmission will be simulated as USB key-board input. It works
on a Plug and Play basis and no driver is required.
AT+HIDDLY=25
Low Speed
$USB#KEY
*USB DONGLE as Keyboard(HID)
(5)
AT+HIDDLY=10
*Medium Speed