f
JUNIOR
DIMMERBOARO
INTERLOCK
The
Junior
a
tolerable
ne
cessary
Interlock
vi
ew
for
dimmer
should
of
the acting
maintenance
I N S T A L L A T I 0 N
be
sited
area.
but
where
Rear
some
the
access
authorities
operator
of
18 -in.
will
may
get
is
permit
mounting
allow
conne
are
at the
the
supply.
mounted
height
Switch.
A
useful
is the
hand
control
flexible cables
lighting·circuits
suit
lighting
interest
against a wall
the
board
ctions
for
provision
side with
th
e oper a
for
top rea
This
to
the
ope
addition
chann
el s and the light
circuit
of
safe
ration
tional
to
be
moved
the
incoming
r.
An
should
right-hand
where
to
incr
of a simple
3-pin
socket
with
plugtops.
to
be group
ne
eds
substitution
ty
for
amateur
with flexi
forward
supply
isolator
be a silent
side
of
it
can
ease the
patch
outlets
ing
This
ed
to the control
of
each
of
labour
ble
electrical
for
maintenance.
and
the
switch
the
be
flexibility
panel
as
circuits
production
'specials'.
should
A.C.
board
used
mount
t ermina
arrangement
and
connections
outgoing
be
type
as
among
and
at a convenient
a Dead
of
ed
tions
terminatin
channels
and
However,
school
circuits
provided
should
Blackout
the
installation
to
the
for the
g
allows
allows
All
in
in
l e
to
to
in
be
ft-
the
children,
singlE· phase
a
phase
3-pin
separation
supply. All
socket
we strongly believe
outlets
is
possible.
supply,
or
lighting
at
the
on one
th
at
circuits
lantern
this
should
phase
should
end where
only
only
of a three-
be
t e
rminated
ade
quate
be
done on
phase
in
0 P E R A T I 0 N
These
board.
excitement
familiar.
than
use
much
is
USE
majority
channels.
Since
can belon
whether a chann
"on
l/DlO = Channel 1 "on
DIMMER WATTAGE
instructions
Some
the
usual
requir
temporary
advisable.
OF
dimmer"
es
DIMME
of the dimmer
there
g,
for
qili.et
of
rehearsals
The Junior
the
3S
These
is
it
at
practice
range of
same
flexible
First
pairs
only
is
only
el
is
mark
RATING
one
7;
various
at
Interlock
domestic
common
wiring
it
should
are
are
dimm
necessary,
"on
dimmer"
l/F
dimmer"
With
operations
is
advised
least
sense.
shared
emphasised
er
= Channel 1
the
the
is
potentially
electrical
and
knowl e
be
noted
between
to
which
when
or
at
mark
exception
A
"full".
should
so
that
board
stage,
dgeable
that
two
by
the
any
plotting,
switched
10.
of
be
in
the
and
its
no more
e
quipment
however,
supervision
all,
adjacent
sharing
particular
E
..
dimmers
G.
to
2/D7
to
or the
"full";
tried
layout
identify
with
on the
uproar
are
dangerous
and
its
employs
numbered
of a label.
channel
=Channel
and
2
green lever knobs all
control
watt
dimmed
were
though the
with
share
1000
any
load
spotlights
either
each
1000
other
green
watts.
lever
two
channels the load on each
between
on cha
separately
watt
could
knobs
dimmers
500
nnels 1 and
or
together,
only
one
be
switched
are
for
are
for
and
1000
2,
could
be
to
1000/2000
500/1000
watts.
for
example,
but
connected
"full".
watt
chann
el must
watt
Thus two 500
if
these
to
Dimmers
but
not
and
will
could
spotlights
the
where these
be
dimmer
fitt
exceed
ed
Loads
only
in excess
be
controll
of
1000 wa
ed on
tts,
but
not
exceeding
1000/2000 watt dimme
2000
rs
with a singl
watts,
e sw
can
itch.
Ther e i s no r e
sol
e r e
sult
switching fro
knob r ea
TO
full-on
sha
BEGI
fts
ch
N. A
position
by a ha
to the boar d
right
hand end
TO SWITCH CHA
mov
ed up (away from the
ce
ntre for
TO SWITC
I
NDEPENDENT
on inde
"full
H
pend
" , i.e. the sw
striction
be
ing that the
m an
es
'0'
ll
switch
lf-turn
should
of the bo a
JFE
"off".
CHAIIT~ELS
. Move switch
ent down
at
intermediate
on the
es
scal
should
'10' and the
anti-clockwis
be
closed
rd
LS
ON AND
dimm
ON
OR
OFF
(towards
itch
kno
all
in
r~spect
dimm
er becomes
position
e ,
instead
be cent r e
ir
handles
e .
and the master bla
put dow
OFF IND
er s )
IN
knob s
n.
IVIDrn,LLY.
for 11full"
A GRO
UP LEAVING SO
of chann el s w
t he dimmer s
bs
up,
ar e s
of
underloadin
somewh
to
out when the
at ineffe
of fading gently
d, the
r eleased
The isolator
dimm
from th
er
switch adj
ckout
).
ubjGct
Switc
and
hich
Any
h knob
mov
ed ba
ME
ON
ar e
others switch
to
t he mas t er
g; the
ctiv
dimm
to
put
to the
e master
switch
to
ck
to
r ema
e -
er
cut.
on t
be
to
in
ed on
ace
nt
he
bl
ack
out switch situ
open (o
ff)
in
ar e connected
to permit the
int
ens
ity
as may be nec
t
he lights
in
at ed on the r
th
up po s
to
be free
cut
of
bri
a box set.
ition.
of t
ght ligh
essa
It
he
mast
tin
ry when a char a
ight-ha
will
nd end.
be
er blackout sw
g l evel s
cter has
Th
i s switch is
not
ed that the d
itc
to lig
htin
to switch
imme
h.
This
g at low
rs
is
off
I
FADE-OUT
.e
sure th
OR
FADE-IN CH
at the
ANNE
dimm
er l ever i s at
LS
I N
DIVIDUALLY.
full
(10)
To
fade
and then
-out,
mov
first
e
he knob
'off'
.-p
roviding the dimme
oth
er
of the chann el
t
he dimme
is
at zero
towards the dimmer.
(10) that channel
relc~s e
d
to
f
~de
-out
r l ever was
ch~nnel.
Provid
switch
r.
To
fade-in,
and then
If the dimmer l ever wer e then t
could
be s
the oth
ed the
tot
not exceed t he di mmer ro.ting both
together.
If
r e
quir
ed a switch-c
by setting
TO FADE
-O
UT
Move switch
dimm
er l ever s ar e ei
be ove
rlo
ade
the dimm
OR
FADE-IN A
knobs towRrds the di
d.
Turn dimm
ut
to any
er
to that l evel be
LL
DI
MI~BS
the
r a
ll
up
er l eve
from the
move th
witch
er channel
first take
al load
can be fa
"full"
fir
e s
ed
of
st make
witch
to
"full"
of the pa
n t o ze
t he pa
ded-in
intermedi at e i nt
fore switchin
SIMULTANEOUS
mme
r making sure
or all down
rs
clockwise
and that no dimmer will
pos
ition
sure th
sma
at the
knob from ce
aken to
an
d t
he
ir,
or
ro,
to
fade
ir
of channe
or
faded-out
ens
ity
can be made
g.
LY.
th~t
all
th
so
t hnt they grip the
rtly
ntr
e
dimm
er
-in the
l s does
e
master sh3.
dim
l11e
rs
collectively.
W
ith som
be
unloc
e hel p , i n the
ked
cross-fa.d
group
of dimme
directly
fts and,
fr m th
es achi
rs whil
by h
and
on cue , u
e m
eved
.
se the
shn~o
'O\.ster
by
using the shaft mastering for the
e oper a
of
sha
ting others
an a
ft
maste
ssi
nt
intermed
r hand
st a
wheels
nt, some dimmer l ever s can
i at e
intensiti
in oppositedirectio
to
mov
e t
es and
l ar
r-
ges
he
t
TO
REPLACE A FUSE.
Th
er e
are
a pa
ir
of
fus
es
to each
dimmer.
one
the corr
th
at a
ove
rlo
ris
es
not
for the me
pull
cover
out
of the
Re
plac
common
I M
PORTANT.
th
e cover
ps.ne
l.
One of these fee
esp
onding liv
fuse is a safety devic
ad
as
in certain fault
and
som
e pa
rt
of the
fusehold
lting of
er
right
the
out
to expose fuse cartrid
ir
eme
nt
domestic
clips
fus
using the end
e ca
rtridg
ring main
The fusehold
scr
ewed
in
position
ds the
e ma
dimm
in.
It
e .
In the cas e
er and the
must be e
conditions
wirin
and
fus
ge
g would
e.
To
unscr
s.
The
r eplace
ew ce
se
of a screwdriver.
es
should
be
to
fuses.
er must be reass
bef or e r epla
oth
mphasis
of serious
the current
suff
er wer e
fus
e
ntre scr
can
BS
embled
cin
ew
be
prised
1362 i.e.
with
g on the
er
ed
it
of
{
(
THE
29
King
STRAND
Street,
ELECTRIC
Covent
&
ENGINEERING
Garden, London,
W.C.2.
Tel:
CO. LTD.
Temple
I
Bar4444
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