User Manual
Version 1.1
Page 25
1.
Do not disconnect the player from the PC during firmware upgrading or repairing. After the
upgrading is completed, a prompt “firmware upgrading succeeded, the program will exit
automatically!” pops out. Now confirm, the tool will shut down and reset the player, the
whole upgrading is completed.
FAQ
1.
Cannot turn on the player.
Check battery’s remaining capacity. Connect USB cable or charger and try to turn on the
player again.
2. Cannot hear the voice via earphone.
Check whether volume is set to 0.
Check whether earphone has been plugged in the earphone slot.
3. Serious noise
Check whether earphone plug is clean. Dirty plug may lead to noise.
Check whether the file is damage. Try other file. Damaged file may lead to serious noise and
voice jump.
4. Bad signal for FM Radio
Adjust the direction and place of the player, pull the earphone cable longer.
Check whether there is electronic equipment nearby. Electronic equipment may lead to signal
electronic equipment.
5. Clobber problem
Содержание NMV-169
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