4. Operating System and Equipment
Caution
•
If there is any problem with the product and it
cannot be used normally, please stop
operation and contact customer service
center.
•
Continuous operation in abnormal state may
cause more serious problems, if the product is
unpacked or modified at will, free guarantee
service cannot be enjoyed.
Hint
"Short press" herein means that the button-
hold time does not exceed two seconds, and "long
press" means that the button-hold time exceeds
more than two seconds. They are called as "short
press" and "long press" for short herein.
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