Troubleshooting; Maintenance And Cleaning - Retevis RT72 User Manual

TROUBLESHOOTING

Problem Reason
The battery doesn' t be
installed correctly.
The radio
The battery runs out.
doesn' t
start.
The battery is poor contact
causing by damaged or
dirty.
Battery voltage is low.
The sound
is small/
The voice is too small.
intermit-
tent, or on
The antenna is loose.
sound
when
The speaker is damaged or
receiving
dirty.
the signal.
The frequency is different
Cannot talk
with other members.
with the
members
In the different digital or
in the
analog channels
same
group Too far away from each other
Single call or Be different in the
group call does
frequency/channel/color
not work in the
code/ time slot
digital channel
Other sound in Interference from the same
the channel, frequency
which is not
The signal is not set yet.
from the
members
Be too away from other members.
Poor location, such as blocked
The loud
by tall buildings, or located in
noise
the basement
Interfere by the environ-
ment or electromagnetic
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Solution
Remove and re-install the
battery.
Charging or change a new
battery.
Clearing the contact. Please
get contact with our distributor
to repair, if you cannot solve it.
Charging or change a new
battery.
Turn up the sound.
Turn off the radio and re-install
the antenna.
Clear the speaker. Please get
contact with our distributor to
repair, if you cannot solve it.
Resetting the same frequency
with them.
Correct to the same channel.
Get close with each other
Setting the same frequency/
channel/color code/ time slot
Change to new frequency, or
correct the squelch
Set the signal for all radio in
the group
Get close with other members.
Move to open environment,
restart the radio.
Avoid the device interfering the
radio
Note: As above method still cannot solve your problem, or you meet
other problem, please get contact with local distributor to get the
technological support.
Maintenance and clean
To keep the performance and extend the service life, please note the
content below for maintain the clear the radio.
■Maintenance
>Do not store the radio in an environment containing a corrosive
electronic circuit material.
>Do not directly lift an antenna or an external microphone in the course
of carrying or using a radio.
>Cover the appendage interface cover, when attachments are not used.
■Clean
>Please use clean, dry cloth or brush to wipe off the surface of the
walkie talkie and the dust attached to the charging pole on a regular
basis.
>Wipe the radio on dirt with dust, lint free cloth, to prevent poor contact.
>After long term use of radio, walkie talkie buttons, control knobs and
chassis are easy to dirty. You can use neutral detergent (do not use
strong corrosive chemicals) and wet cloth to clean. After cleaning, make
sure the radio is completely dry; otherwise please do not use it.
>When the walkie talkie does not in use, please attach the cover on the
socket.
Note: Please turn off the radio and remove the battery before clearing.
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