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I. Mains supply voltage
Take the projector out
of
its case and check that the operating switch 20
is on "Stop."
Before commencing operations, it is necessary to find out the voltage of
the local mains supply.
As a rule, this voltage is already known. If this is not the case, the electric
light bulb in the room in which the projector is to be used should be
unscrewed; the mains voltage will usually be found marked somewhere
on the bulb, in volts (or "V"). A better method is to examine the nearest
electric light meter, on which precise information about the type of
current supplied-which will be either alternating (A.C. or
~)
or direct
(D.C. or
=
)-and the mains voltage (in volts) will be found.
However, the best way of checking
the mains voltage is to use a volt-
meter, as this has the added advantage
of keeping the operator informed about
any fluctuations in the mains supply
which might affect the running of the
projector. The Motor 15 is of the "uni-
versal" type and can run on any mains
whose frequency is comprised between
o
and 60 periods/sec.
M8
If the mains voltage does not exceed
125 volts, Model M8 projectors can be
connected directly to the mains supply,
no matter whether the cu rrent is
alternating or direct.
If the mains
voltage is higher than 125 volts, an
auxiliary transformer (A.C. only) or
resistance (A.C. or D.C.) must be used
between the mains supply and plug 16.
Three-conductor flex
The power-input socket (2) can be connected to
a three-phase attachment plug (grounding). On
request, the Paillard-Bolex Agent or your Bolex
Dealer will supply a three-conductor flex and a
special pin. This latter should be screwed into the
hole "0" of the socket (see fig.).
In countries where grounding is advisable, use the
th ree-cond uctor flex.
2
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