(4) Imprecise touch point
a. Check whether the touch pen or the finger is 90 degrees ve rtical to
the screen.
b. Check whether there are other objects touching the screen, for
example, little tape or sleeve.
8. Maintenance
(1) Simple maintenance
a. Proper maintenance can avoid many early faults and regular careful
cleaning can make machine bra nd new.
b. Please unplug power plug before cleaning and mainte nance, to
prevent electric s hock.
(2) Clean Scre en
a. Please mix and sti
r even a little fabric softener or tableware
detergent with alcohol.
b. Please use a soft cloth to be completely soaked in the mix ture.
c. Please take out cloth and twist to half dry state to wipe machine
screen.
d.
Repeat f or several times, pay att ention not to squeeze water flow
into machine when wiping machi ne.
(3) Clean Face Frame
a. Please use dry, soft, lint-free cloth to wipe front frame.
(4) No Use of Machine for A Long Time
a. In case of no use of machine for a long time, such as
holiday,
please make sure to unplug the plug to prevent any possible
dangers caused by power supply ripple from lightning.
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