MEElectronics Air-Fi Metro AF71 - Manual (Page 32)

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Troubleshooting
Issue
Crackling noise,
static,
interference
No sound
or low volume
Volume won’t go
louder and you
hear a beep
Not charging
Won’t pair
Resolution
Make sure you are within range of your
Bluetooth-enabled device
Bluetooth devices are subject to interference
from other Bluetooth devices, microwave ovens,
power stations and transmission lines, Direct
Satellite Service (DSS), and wireless devices
operating on the 2.4 band. Eliminate as many
potential sources of interference as possible
while using your Bluetooth headphones.
Adjust the volume on your headset and device
as both control the sound
The Metro is at the maximum volume; try
increasing the volume on your connected device.
If using a wall charger, make sure it is plugged
in to a powered outlet. If using a computer,
make sure the computer is on and the USB port
has powered. If you are using a car USB port,
make sure the car is on.
Make sure that the pins of the charger are
engaged with the contact pads on the Metro.
Make sure the Metro is in pairing mode as
indicated by red and blue LEDs flashing in an
alternating manner