35
Safety precautions
conditions such as this, the humidity might cause corrosion or
a fault.
●
When wiping the display, wipe with a soft, dry cloth. Use of a
moistened cloth, glass cleaner or other similar liquid might
cause a fault.
●
When connecting/disconnecting the external device to/from
the external connection terminal, make sure that the
connector of the external device is straight with the external
connection terminal.
●
Note that applying unnecessary force with the external device
connected to the external connection terminal might cause
damage.
●
Do not discard the product together with regular trash. Please
cooperate in the collection of the product when it is no longer
needed to protect the environment and effectively use
resources. Old products are collected at au shops and other
places.
●
Insert only a microSD card into the microSD card slot on the
product.
●
Do not exert excessive force when attaching/removing a
microSD card. Doing so might injure your hands or fingers.
●
While writing/reading data to/from a microSD card, do not
subject the product to vibration or impact, or turn off the
power. Doing so might cause loss of data or a fault.
●
Do not cover the brightness sensor with your finger or put a
sticker on it. Doing so might hinder the brightness sensor
from detecting the ambient brightness and functioning
correctly.
Summary of Contents for AST21
Page 1: ...Basic Manual AST21 ...
Page 129: ...127 MEMO ...
