TC-446S Owner
’s Manual
19
Troubleshooting
Phenomena
Analysis
Solution
The radio can not be
powered on.
The battery may be improperly
installed.
Remove the battery and attach it again.
The battery may run out.
Recharge or replace the battery.
The battery may suffer from poor
contact caused by dirtied or
damaged battery contacts.
Clean the battery contact
s.
If the problem can
not be solved, contact your dealer or authorized
service center for inspection and repair.
During receiving signals, the
voice is weak, discontinuous
or totally inactive.
The battery strength may be too
low.
Recharge or replace the battery.
The volume may be set to a low
level.
Increase the volume by rotating the Radio
On-Off/Volume Control knob clockwise.
The speaker may be blocked or
damaged.
Clean surface of the speaker. If the problem can
not be solved, contact your dealer or 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 the
same as that of other members.
The radio may be locked on other
channels.
Deactivate the Channel Lock function and switch
to your desired channel.
You may be too far away from the
group members.
Move towards other members. And make sure
that you are within the communication range.
Irrelevant communications or
noises are 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 not be set with any
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, power off your
radio and then restart it.
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.
If the above solutions can not fix your problems, or you may have some other troubles, please contact us
or your local dealer for more technical support.
