Safety Instructions; General Installation - Optimus PM-CH7 Installation And Operating Instructions Manual

SAFETY INSTRUCTIONS:

IMPORTANT:
The wires in the mains lead are coloured in accordance with the following code:
If the colours of the wires in the mains lead of this apparatus do not correspond with the
colour markings identifying the terminals in your plug, proceed as follows:
The wire which is coloured green and yellow must be connected to the terminal which is
marked by the letter E, or by the safety earth symbol or coloured green and yellow. The wire
which is coloured blue must be connected to the terminal which is marked with the letter N or
coloured black. The wire which is coloured brown must be connected to the terminal which is
marked with the letter L or coloured red.
If a 13 A (B.S.1363) plug or any other type of plug is used, a 5 A fuse must be fitted either in
the plug or at the distribution board.

GENERAL INSTALLATION

DO NOT run microphone cables near mains, data, telephone or 100V line cables.
DO NOT run 100V line cables near data, telephone or other low voltage cables.
DO NOT exceed 90% of the amplifier's output power when using 100V line (speech only).
DO NOT exceed 70% of the amplifier's output power when using 100V line (high level
background music).
DO NOT use horn loudspeakers for background music unless the loudspeaker has been
specifically designed for this purpose.
AVOID jointing the microphone cable, when this is unavoidable make sure a good screened
connector is used, e.g. XLR.
ALWAYS use a balanced or floating low impedance microphone terminating into a balanced
input on long microphone cable runs.
ALWAYS use a mains grade double insulated cable for the loudspeaker cable runs.
ENSURE that all loudspeakers are in-phase.
ENSURE that there are no short circuits on the loudspeaker line before connecting to the
amplifier.
PM-CH7 Version 1.0
PM-CH7
Green and Yellow
Blue
Brown
Earth (E)
Neutral (N)
Live (L)
Preamplifier
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