ARRI arrilux 400 lighthouse, Operating Instructions Manual

Page: 27 / 102

Getting Started with EB 400/575 27
Getting Started with EB 400/575
1
Check to ensure that
ballast is switched off
(mains switch in position
0
; see picture 2 on
page 24).
2
Nominal EB wattage
must match nominal
lamp power.
3
Ensure that a func-
tional lamp is installed in
lamphead. Immediately
replace all lamps with
any visible damage or
thermal deformation.
4
Connect lamphead
to ballast, using original
ARRI cables (lamp con-
nector 400 W).
5
Connect ballast to a
suitable mains outlet
(see table on page 73).
6
Lamphead is
switched on and off
from ballast. Switch on
lamphead by pushing
mains switch of ballast
into position
I
.
LED
POWER
will illumi-
nate.
¡
Lamp will strike
approx. 2 to 5 seconds
later. After successful
ignition, yellow LED
LAMP
on ballast will
turn on.
If lamp does not strike,
see trouble shooting
guide on page 83.
¡
Adequate earth
protection is indicated
by green LED
PE
. If this
LED does not light up
after power on,
sepa-
rate ballast from mains
immediately
(pull mains
plug carefully!). Check
earth protection or use a
functional outlet.
¡
Red LED
TEMP
indi-
cates that ballast turned
off due to overheating.
After ballast has cooled
down (5 to 15 minutes),
it will automatically
re-strike lamp. Red LED
TEMP
, however, will
stay lit until ballast is
switched off or discon-
nected from mains for at
least 15 seconds.
¡
LED
REMOTE
is only
used on ballasts with
remote control option.
7
After lamp has
reached its operating
temperature (after
approx. 6 minutes), its
intensity can be
adjusted in the range of
50 to 100% by turning
the dimming potentio-
meter.
When dimming potenti-
ometer is fully turned to
the left, intensity is set to
‘minimum’. Turning dim-
ming potentiometer to
the right (in clockwise
direction) will increase
intensity until ‘maximum’
is reached at the right
stop.
I
Caution: Danger of
over-heating!
Never
block ventilation slots
of EBs.
27
BALLASTS