Manta DUO POWER MID713, User Manual

Page: 21 / 104

USER’S MANUAL
21
Problem solution
Device can’t to open
1) Check the battery power
2) Connect adaptor first, then check again
3) After charging then can’t to open, pls contact with the supplier
After startup the screen or the opening picture has been appeared,
the device appear shutdown
1) Power is not enough, please charge
Headset can’t hear the voice
1) Pls check the volume whether set to 0
2) Check the music file whether damaged. Try playing other music, if the
file have damaged may lead to serious noise or hop sounds.
Can copy file or paly music and so on
1) Pls check between computer and device is correct connection
2) Check the memory storage space is already full
3) Check the USB cable is good or not
4) USB connection is disconnected