Miscellaneous; Safety Precautions - Astell & Kern AK240 Instruction Book

User Guide
Safety
Precautions
Device
Displaying one image for an extended period may
cause screen burn-in (afterimage).
When a plug is inserted into the earphones, balanced,
or USB port, do not apply any force or shock to the plug.
Do not insert any metal (coins, hairpins, etc.) objects
or flammable debris into the device.
Do not place heavy objects on the device.
In case the device gets wet (rain, water, chemicals,
medicine, cosmetics, sweat, moisture, etc.), do not power
on the device and allow it to dry thoroughly, then contact
to the nearest iriver Customer Support Center.
(Water-damaged devices will be repaired for a fee regardless
of warranty status, but the device may not be repairable.)
Avoid places with excess moisture, dust, or smoke.
Never attempt to repair the device yourself.
Avoid exposing the device to direct sunlight or extreme
temperatures (-5℃ - 40℃ / 23°F - 104°F).
Do not place the device near magnetic objects
(magnets, TV, monitors, speakers, etc.).
Never use chemicals or cleaning products on the device
because doing so may alter the paint and surface coating.
Avoid dropping or exposing the device to any strong
impact (excessive vibration, etc.).
Do not press multiple buttons simultaneously.
Do not disconnect the Micro-USB cable during data transfer.
Use a USB port at the back of the computer for USB
connections. Connecting to a defective or damaged
USB port may damage the device.
Do not insert any foreign objects into the earphones port.
Using poor quality protective films or adhesive stickers
on the screen may cause damage.
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Miscellaneous