Unable
to
open
the
recording file
Low battery
There is no audio file
the
volume
in
a
minimum
Timely charge;
check the file;
Adjust the volume;
letters
appearing
on the screen
is abnormal
The language choose
whether correct
Choose
the
right
language
Speaker no
sound
check the plug of
headphone
the
volume
to
a
minimum
check the recording format is
correct
Remove
the
headphones;
adjust the volume
Select
the
correct
recording format
No
sound
from
headphones
Make sure that the
headset is properly
connected
he
volume
in
a
minimum
Recording or MP3 files
have been destroyed in
the manufacture of
different
levels
of
noise, and even play
silent;
Connect the headset;
Adjust the volume;
Check the recording or
MP3 files whether are
destroyed, to ensure the
integrity of the document;
Can not be
normal
upload /
download the
audio file
Check the USB cable for
damage
Connection of USB
whether normal
Check if there are
blank memory;
Ensure USB cable is not
damaged
Check the connection of
USB
Remove the blank
memory;
Product warranty cards
Product Type
S/N:
Dealer Name
Date of Purchase
Dealer stamped at:
