
Engineer 418 & 818 User Manual Page 8
Important Safety Instructions
It is extremely important to read ALL safety information and instructions provided in this manual and any
accompanying documentation before installing and operating the products described herein.
Heed all cautions and warnings during installation and use of this product.
Keep this instruction manual for future reference
This unit does not contain any user serviceable parts.
Do not open this unit. Doing so will void warranty and might present a risk. Servicing must be performed by
qualified personnel only. Servicing is required when the apparatus has been damaged in any way, such as
power-supply cord or plug being damaged, liquid has been spilled or objects have fallen into the apparatus,
the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
This unit is designed for indoor use. Do not use this unit in a wet or damp environment or near to water.
Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including
amplifiers) that produce heat.
This unit is not designed for residential use.
Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
Do not defeat the safety purpose of the polarized or grounding-type plug. If the provided plug does not fit into
your outlet, consult an electrician for replacement of the obsolete connector.
Always replace a blown fuse by a compatible fuse.
Do not connect or disconnect the power connector under load.
Protect the power lead from being walked on or pinched particularly at plugs, convenience receptacles, and
the point where they exit from the apparatus. When damaged, replace the power lead.
Unplug this apparatus during lightning storms or when unused for long periods of time.
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