4
Operation
Using FM Transmitter Function
1.
Plug the Bluetooth FM transmitter into your vehicle’s cigarette lighter or power port.
2.
Tune your radio to an unused FM frequency, then match the same frequency on the
unit with the frequency adjust buttons.
3.
Using a micro SD card: Insert a Micro SD card containing MP3 files into TF card slot of
the unit. It will play and transmit the music automatically.
4.
Using an aux cable: Plug the provided audio cable into the aux-in port of the unit, and
the headphone out port of a phone or other device. When you use this function, high
quality music or phone calls will be transmitted from the unit.
5.
Music bass boost function: Press the bass button to active deeper bass when
listening to the music.
6.
Shut down the FM Transmission: If you don’t need the FM transmission temporarily,
please press and hold for 3 seconds to turn off, but the charging keeps working.
Using Bluetooth Function with FM Transmitter
1.
When using Bluetooth for the first time, you need to pair your mobile phone with this
unit. Activate your mobile phone’s Bluetooth function, then search new device. When
the mobile phone detects this unit (named “BT77DQ”), connect using the default
password “0000”.
2.
While playing music, when there is an incoming call, the unit will automatically switch
to telephone mode so you can answer calls.
3.
While playing music, simply press the “BASS” button to enjoy louder and deeper bass.
4.
While playing music, press the “BASS” and hold for 2 seconds to switch the modes
between Bluetooth and Micro SD card reading.
Bluetooth Calling
1.
Please press to answer the incoming call or hang up a call.
2.
Please press and hold for 3 seconds during call to reject the incoming call in
Bluetooth calling mode.
3.
Please press twice to dial the last number automatically.
4.
When making a call, you can only dial a number via your mobile phone, but once the
call has connected, you can use the hands-free function.
Using USB Charger Function
This device has dual USB ports for charging, one port is 2.4A and the other port is the quick
charge (QC) 3.0.
About QC3.0 USB Port
If your mobile supports quick charge, it will charge based on Qualcomm QC 3.0 protocol, DC
3.5-6.5V/3A, 6.5V-9A/2A, 9-12V/1.5A.
If your phone does not support this, it will adjust output accordingly.
About 2.4A USB Port
This USB ports output maximum is 2.4A. It will detect the phone voltage if not supported and
adjust output accordingly.
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