Newport 500B Series, User Manual, Page: 33 / 64

32 System Operation
it to show the appropriate power grid voltage. The fuse is also located behind
this panel and can be pulled out, for replacement with the appropriate size, as
indicated on the back panel.
All units are preset at the factory for operation at 108-132VAC, 60HZ.
The fuse must be changed for 198-242VAC and 216-264VAC operation.
Select

100VAC for operation at 90-110VAC, 60Hz

120VAC for operation at 108-132VAC, 60Hz

220VAC for operation at 198-242VAC, 50Hz

240VAC for operation at 216-264VAC, 50Hz
The line cord supplied with each unit should be plugged only into a properly
grounded three-prong outlet to prevent electrical shock in the event of an
internal short circuit to the metal cabinet.
4.2.9 Frame or Chassis Terminal
This terminal provides access to frame or chassis connection.
4.2.10 Power Inlet Socket
Plug the included power cord into the Power Inlet Socket on the rear of the
instrument, then plug the power cord into a wall socket with proper earth
grounding.