OptiCal User’s Manual
Michell Instruments
9
INSTALLATION
2.5 Power
Supply
A single mains power supply between 85 to 264 V AC is required to operate the unit.
The power supply connection is a 3 pin IEC plug located on the rear panel of the
instrument. The
ON/OFF
switch and the power input fuse are in the same location,
adjacent to the power socket.
A 3-core power cable is provided, the free end of which should be wired to a suitable
earthed plug or directly connected via a fused power spur. The power cable conductors
are color coded according to the international convention:
Brown
L
(Live)
Blue
N
(Neutral)
Green/Yellow
E
(Earth/GND)
The instrument must be connected to an electrical earth for
safety purposes.
