Hytera MD78X User Manual

28
Troubleshooting
Phenomena Analysis Solution
The radio can not be powered on. The power cord may be unconnected. Connect the power cord correctly.
During receiving signals, the voice
is weak, discontinuous or totally
inactive.
The volume may be set to a low level.
Increase the volume by rotating the Volume Control knob
clockwise.
The antenna may get loose or may be improperly
installed.
Power off the radio, re-install the antenna and power on the radio
again.
The speaker may be blocked or damaged.
Clean surface of the speaker. If the problem can not be solved,
contact your dealer or our authorized service center for inspection
and repair.
You can not communicate with
other members in Analog mode.
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.
You may be too far away from the group members.
Move towards other members. And make sure that you are within
the communication range.
You can not communicate with
other members in Digital mode
although there is receiving
indication.
Your ID may be inconsistent with that of other
members. Consequently, the digital carrier can be
received but can not be demodulated.
Set your ID to the same as that of other members.
Irrelevant communications or
noises are heard on the analog
channel.
You may be interrupted by radios using the same
frequency.
Adjust the squelch level.
The radio may be set with no signaling.
Set your radio with signaling to avoid interference at the same
frequency, and make sure that all members share the same
signaling.
The noise is too loud.
You may be too far away from other members. Move towards other members, and then try again.
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 at area, and try again.
You may suffer from external disturbance (such as
electromagnetic interference).
Stay away from equipment that may cause interference.
You can not use the keys. The keypad may fail to function temporarily. Restart the radio.

Hytera MD78X Specifications

General

Brand	Hytera
Model	MD78X
Category	Radio
Language	English