Hytera VM550 - Troubleshooting

5. Troubleshooting
Phenomena
Analysis
Solution
The product cannot be
turned on
.
The battery may be improperly
attached.
Remove the battery and attach it
again.
The battery may run out.
Recharge or replace the battery.
The battery and the charging
probes are in poor contact due to
dirtied or damaged battery
contacts.
Clean the battery contacts.
BT connection cannot
be established.
The product is out of the portable
radio's communication coverage.
Make sure to use the product within
the radio's communication coverage.
You hear noise during
calls.
The LED indicator does
not glow red when you
press and hold the
PTT
key.
The volume is low
when the product is
used with a portable
radio.
The speaking microphone and the
speaker are blocked or damaged.
Clean the speaking microphone and
the speaker.
The product cannot
record video or audio.
The TF card is full.
Delete all data from the TF card after
exporting the data.
The product cannot
take photo.
The TF card is full.
Delete all data from the TF card after
exporting the data.
The total number of photos reaches
the maximum (300).
Delete all photos from the TF card
after exporting them.
The product cannot
pre-record or
post-record the video
.
The pre-recording or post-recording
feature is not enabled.
Enable the feature through the RVM
Manager.