POWER JET Plotter Reference Manual
The Power Jet plotter is shipped with a three pronged, grounded, power cord. The cord should always be used with a wall socket that is equipped to receive the three pronged plug. If the wall socket is only equipped to receive a two prong plug, Do NOT use a three-to-two reduction adapter unless you are sure that the local circuit is grounded.
The Power Jet plotter should be equipped with external surge protection. Once surge protection has been installed, turn the plotter OFF before connecting it to the power source.
External surge protectors are safety devices that are designed to stop over-voltage from reaching the plotting system. Most surge protectors plug directly into the wall socket and are equipped with two or more sockets.
While surge protectors offer some security against power problems, most UPS units offer surge protection as well as on-line battery back-up. In the event of an under-voltage or a complete failure of power, the UPS provides back-up power, a feature that is essential in guarding against data loss on PC’s.
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