User's Manual

BlueTone
™
BTHF260 user manual
4. Setting the device
4.1 Backlight
Press the button to enter the menu. Choose ‘Backlight Time’, and press the button, it will enter the submenu,
contents as follows:
󴖰 10 Sec
󴖰 20 Sec
󴖰 60 Sec
󴖰 Always On
You can press the
╋ or ━ button to choose the right backlight what you need, then press the button. (For
corresponding operations, please refer section 2.4 for details.)
4.2 Brightness
Press the button to enter the menu. Choose ‘Brightness’ then press the button to enter the submenu. Contents
as follows:
󴖰 Brightness
You can press the
╋ or ━ button to adjust the right brightness, then press the or button. (For Corresponding
operations, please refer section 2.4 for details.)
Vote, you can adjust the right brightness according to the appropriate environment.
4.3 Device Firmware Upgrade
This device has the feature of software upgrade. It allows users to upgrade BTHF260 software via USB port.
Detailed operation procedures are as follows:
1. Please download the tool which is ‘CSR DFU Wizad’ of PC terminal from our website, and then install it
in your PC.
2. Please download the driver of USB and the latest software of BTHF260 from our website.
3. Using the USB cable to connect the handsfree with PC.
4. Operate the menu of BTHF260 to enter the submenu of ‘SW_Version’, then press the ‘
╋’‘╋’‘━’
‘
━’‘ ’button in turn to enter the DFU mode, the ‘DFU…’ will be displayed on the screen. (If enter the
DFU mode by misoperation, you can double press the
button to exit the DFU mode. )
5. Install the driver of USB in PC after entering the DFU mode.
6. After finish the operation, you can update the software of BTHF260 via ‘CSR DFU Wizad’ which has
been installed in PC.
Note that, in the process of updating software, the update can not be interrupted, otherwise, it could cause
equipment failure at work.
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