IV
The instrument should be placed in a dry, dust-free place away from water
and direct sunlight and strong light sources. The room should be well
ventilated, free from corrosive gases or strong magnetic fields, and away
from heaters, stoves and all other heat sources. Do not place the instrument
in a humid or dusty place.
Nothing should be covered by the power cord when the instrument is in
use. Do not place the power cord where people move.
Be sure to hold the plug when plugging and unplugging the power cord.
Make sure that the plug is fully inserted into the socket when plugging in,
and do not pull the power cord hard when unplugging.
Turn off the power when it stops working. When the instrument is not used
for a long time, unplug the power plug and cover the instrument with a soft
cloth or plastic paper to prevent dust from entering.
In the following cases, the power plug of the instrument should be unplugged
from the power outlet immediately, and contact the supplier or a trained
service person to deal with it:Liquid spilled into the instrument;
The instrument is drenched or watered;
The instrument falls or the shell is damaged;
The function of the instrument has changed significantly.