NEONUMERIC NDT-1, Руководство пользователя

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Device doesn’t power ON
Cannot hear with your
earphones
Control buttons no response
FM bad reception
Cannot download files •Check if device and PC connected properly
•Check if memory is full
•Check if USB cable is faulty
•Change earphone line and device position
•Turn off any other electrical device nearby that
may caused the reception
•Earphone acts as antenna
•Check if the device is locked. To unlock, press
and hold “Vol” buttons
•Check volume
•Check if earphone is connected properly
•Check battery power
•Charge battery and try again
•After charging and if problem still persists, send
back to vendor