Troubleshooting – Curtis LT7028 User Manual
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5. Troubleshooting
1.
Can not turn on the device.
You can not turn on the device when the is below the critical
level, please charge the battery connect to the computer via
USB cable or charge via AC charger, try to turn on again while
ensuring quantity of electricity.
Press the RESET button on the top of the device and check if
the restarting is normal or not.
Check if the charger is connected well or not.
2． The stand-by time of the MID is too short.
The duration of the lithium battery varies with environmental
temperature changes and the service conditions. If the
environment temperature is too low or too high, the duration of
the battery will be affected. It is recommended to use this device
at normal temperature!
From the usage of the device, larger screen of the device cost
more electricity. In addition, affected by the volume increase,
sound field special effects, and other factors such as frequent
operation, the actual duration may be different from specified
one to a certain extent.
3．No sound via earphone.
Please check if the volume setting is 0.
Please check if audio file is broken, and try to play other audio
files to confirm. If the audio file is broken, it may cause severe
noise or staccato
4. Can not copy files.
Please check if the device is connected to the computer
correctly.