3 maintenance safety precautions – DynaScan Outdoor 360 Degree LED Video Display DS3522 User Manual

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3 Maintenance Safety Precautions

Before doing maintenance work

DANGER

z Ensure that the power has been shut down, and move after the rotating screen has

come to a full stop.

z Ensure disconnecting the power cord from the power outlet first.

While doing maintenance work

WARNING

z Do not make any object fall into the drum screen chamber or base to prevent the

display system from breaking down during operation.

z Please do “not” use Toluene (Methyl Benzene), thinner, gasoline, or any acidic

dissolvent to clean the screen shield.

z Be careful not to scratch the screen shield surface.
z Do not touch any components on the PCB. Hold the PCB by the edge to protect the

components on the PCB from being damaged by the electrostatic on the body through

hands.

z z Do not change default settings or try to adjust any devices inside the base without

the guidance of professional technicians or engineers.