Netum C750 Manual page 6

Transmission Speed Via Bluetooth Connection
By scanning the appropriate barcode below will change the bluetooth
transmit speed.
AT+HIDDLY=4 AT+HIDDLY=10
High Speed *Medium Speed
AT+HIDDLY=25
Low Speed
USB DONGLE AS HID‐KBW
When you plug the USB dongle to your device, USB HID‐KBW feature will be
enabled by 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.
$USB#KEY
*USB D ONGLE a s K eyboard(HID)
(5)