48 | PXC 550
Troubleshooting
Leaving the Bluetooth transmission range
Wireless calling and streaming are only possible in the Bluetooth transmission
range of your smartphone. The transmission range largely depends on environ-
mental conditions such as wall thickness, wall composition etc. With a free line
of sight, the transmission range of most smartphones and Bluetooth devices is
up to 10 meters.
If the headphones leave the Bluetooth transmission range of the smartphone,
the sound quality deteriorates until you repeatedly hear the voice prompt “ lost
conne ctio n... pho ne disco nne cte d or dongle disco nne cte d” ( revie w)
. At this
point, the connection breaks down completely, and a LED flashes red 3 times.
The connection will be re-established automatically if you re-enter the Blue-
tooth transmission range. You hear the voice prompt
” conne cte d” if you are
back within the Bluetooth transmission range and a LED flashes white 3 times.
Restart ing or resetting the PXC 550 headphones
If something isn’t working right, try restarting or resetting your headphones.
1. Switch the headphones off. See page 24.
2. Press the sound button for at least 4 seconds.
Clearing the pair set tings
1. Switch the headphones on or unfold the headphones in a ready to wear po-
sition (see page 23). Press the
Sound button and keep it pressed until you
hear the voice prompt
“ pairing” and the 5-LED array flash white in a running
display.
The headphones are in pairing mode.
2. Press the sound button again twice.
You hear the voice prompt “ pairing list cle are d” and an LED flashes red 3
times. The pairing settings are cleared from the headphones.
20 cm
› power on ‹
› pairing ‹
Sound button
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