20
12. After-sale service
This device is guaranteed by the warranty card
from the date of sale, and is responsible for lifetime
maintenance. Irreparable device damage caused
by non-designated dedicated maintenance
personnel is not covered by the free warranty.
13. Symbols
Symbol
Description
Symbol
Description
Trademark
Caution
Refer to
instruction
manual/
booklet
Serial
number
Manufacturer
Date of
manufacture