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better sound enjoyment, please make sure that the blank FM
frequencies of BH501 and your car are the same every time
you use the product (Not a frequency of local broadcast/A
frequency without any broadcast/A frequency only with white
noise).
a) Adjust your car’s FM radio to a blank frequency (An empty
frequency without any broadcast/A frequency only with
white noise), eg. FM 88.8.
b) Long press light button for 2s to enter into FM tuning
mode, and the LED digital display screen will display
frequency and flash. Rotate the ring knob to adjust the
frequency. Rotate clockwise/anticlockwise to increase/
decrease frequency and adjust it to be the same as that of
your car, eg. FM 88.8. After tuning, short press light button
or wait for 3s to exit from FM tuning mode.
Meanwhile, there are 2 other ways to adjust frequency
Method 2: Precise Tuning - Short press / button to
increase/decrease frequency.
Method 3: Quick Tuning - Long press / button to increase/
decrease frequency.
Output 2: AUX Cable Connection
If your car supports AUX input, we suggest you use AUX cable
to connect your car with BH501 for getting a better audio ex-
perience. Use one end of AUX cable to connect AUX Out port
of BH501 and other end to connect AUX port of your car, and
the sound will be synchronized to car’s speaker via the AUX
cable.
4. Bluetooth Hands-free Function (Please ensure
successful input/out connection before using this
function)
5. Music Function (Please ensure successful input/
out connection before using this function)
A. Answer the Call: Short press .
B. Hang Up the Phone: Short press .
C. Redial Last Number: Double press .
D. Reject the Call: Long press for 2 seconds.
After your smart device (eg. Phone, Pad, etc.) is connected
to product’s Bluetooth successfully, if you play music on your
device, the music will be synchronized to your car speaker via
AUX cable or FM connection. The music playing operation is
shown as follows:
A. Play/Pause: Short press button.
B. Previous Track or Next Track: Short press or button.
C. Volume Up: Rotate ring knob clockwise.
D. Volume Down: Rotate ring knob anticlockwise.
AUX
