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authorized service center for
inspection and repair.
You can not
communicate with
other members.
The frequency or signaling
may be inconsistent with that
of other members.
Set your TX/RX frequency and
signaling to the same as that
of other members.
The channel type
(digital/analog) may be set
inconsistently.
Make sure all members are on
the same digital/analog
channel.
You may be too far away from
the group members.
Move towards other members.
Irrelevant
communication or
noise is heard on
the channel.
You may be interrupted by
radios using the same
frequency.
Change the frequency, or
adjust the squelch level.
The radio may be set with no
signaling.
Set signaling for all member
radios to avoid interference at
the same frequency.
The noise is too
loud.
You may be too far away from
other members.
Move towards other members.
You may be at an unfavorable
position. For example, your
communication may be
blocked by high buildings or
frustrated in the underground
areas.
Move to an open and flat area,
and restart the radio.
You may suffer from external
disturbance (such as
electromagnetic interference).
Stay away from equipment
that may cause interference.
The GPS cannot
locate your
position.
No GPS signal is received.
Move to an open and flat area,
and try again.