VEVOR YY-R108 Bedienungsanleitung Seite 13

The receivers can't
be charged
The receivers can
vibrate and flash, but
fail to beep.
Walls or metal (like
cars) can block the
signal sent from the
transmitter to the
receiver.
The host number of
the transmitter is
changed.
The charging
contacts are dirty.
There are foreign
objects in the
charging slot.
The calling mode is
set at "No Sound
Mode".
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The thickness and material
of walls may weaken the
signal. Also, in an enclosed
spaces made of metal, the
radio waves may have
difficulty reaching the
receiver. Both of the
circumstances may impair
the working distance of the
receiver. Please reduce your
distance from the transmitter.
(It may be possible to receive
signals by opening the car
window.)
If the receivers have been
paired with the transmitter,
changing the host number of
the transmitter will
disconnect them from each
other. Please re-register all
receivers to the transmitter,
or restore the host number.
Please wipe off the dirt with a
soft dry cloth.
Please clean out the
charging slot.
Please alter the calling
mode.