Hytera PDC760 - Page 99

85
Phenomena
Analysis
Solution
You are unable to hear
anyone because of too
much noise and hiss.
The signal may be weak.
Make sure call participants are within
the communication range.
The radio may be at an
unfavorable position. For
example, the signal may be
blocked by tall buildings or
frustrated in the underground
areas.
Move to an open and flat area, and try
again.
The radio may suffer from
external disturbance (such as
electromagnetic interference).
Stay away from equipment that may
cause interference.
The GPS cannot locate
your position.
The radio may be at an
unfavorable position. For
example, the signal may be
blocked by tall buildings or
frustrated in the underground
areas.
Move to an open and flat area, and try
again.
The camera does not
work.
The radio does not detect the
front or rear camera.
Restart the radio.
The storage space is
insufficient.
Clear up the storage space.
The radio fails to detect
the SIM card or SD card.
The SIM card or SD card may
be installed improperly.
Remove and reattach the SIM card or SD
card.
The SIM card or SD card may
suffer from poor contact
caused by dirtied or damaged
metal contacts.
Clean the metal contacts of the SIM card
or SD card.
You cannot use the data
connection.
The SIM card fails to function
properly or is out of service
because of unpaid charges.
Make sure the SIM card functions
properly or pay the charges.