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Precautions / Notes on usage
This section includes important safety precautions and guide to proper usage. Please
read this section carefully to avoid misuse.
★Before attempting to connect the E18 to a computer, please ensure that function
switch (15) is in the PC IN position, and do not move the switch to the CHG OUT
position while connected.
★Do not use under extremely hot, cold, dusty or humid environments.
★It is normal to find the unit slightly hot when being charged or when being used as a
power bank due to the high charging / discharging current.
★In order to protect your hearing and your headphones / sound system from damage,
please set the unit to a proper volume. Turn down the volume first before plugging in
headphones or line output and do not use headphones for too long.
★In case the unit should be left unused for long periods, please remember to get it
recharged periodically to protect the battery.
★The charging indicator lights would blink continuously when charging, with the three
levels of light to show the battery capacity until all lights stay on steadily when the unit
is fully-charged.
★If a charger with insufficient current is used, the charge indicator light would die out
after 15s (or just stop blinking); please use a charger with more current capacity.
★The power bank function can't be used when the device itself is charging.
★Please do not use the power bank function in case of low battery capacity.
★As a safety precaution, the external charger function does not work immediately if
the E18 is turned on with function switch (15) in the CHG OUT position. Flip the switch
to the PHONE IN position, then back to CHG OUT and the charging function will work.
★There would be sound mixing at the headphone if the E18 receives input from the
USB and Aux inputs simultaneously. It is suggested not to connect the Aux I/O port to
other inputs (such as music players) when USB audio is connected.
Troubleshooting:
●Unit won't power on? Please get it recharged and try again.
●
In case of system failure, please push the reset button with e.g. a toothpick and try again.
●
Otherwise if there's no sound or there's noise in the playback, please check to see
whether the input device (e.g. computer / phone / device connected to line in) and the
audio file are in good condition or not.
●
Other sound artifacts may be caused by a bad connection at the headphone output
port, please unplug and replug the cable and try again. If problems persist try wiping the
headphones' plug with a piece of tissue or contact cleaner.
●
In order to ensure proper output, please use original or suitable audio and USB cables.
●
Failed to connect with the computer / smartphone? Please check to see whether the
USB cable is in good condition and the two ends are plugged in securely.
●
If there's no sound when connected to a smartphone, please make sure the
smartphone model is supported by the E18 and function switch (15) is in the
PHONE IN position.
●
If there's no sound when connected to computer as DAC, please make sure
"FiiO USB DAC-E18" is chosen as the audio output device in the player software or
the computer operating system's sound control panel.
●
If the power bank function doesn't work, check function switch (15) and put it in the
CHG OUT position.
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