Lamp 7
L
AMP
About the HMI 1200 W/S lamp
The MAC 2000 Profile comes with a double-ended OSRAM
HMI 1200 W/S discharge lamp installed. This highly-efficient
short-arc source provides an exceptionally stable 6000K color
temperature, a color rendering index greater than 90, and an
average life of 750 hours.
The lamp is capable of hot restrike. This feature, however, is only
supported by the MAC 2000 Profile with electronic ballast.
The ends of the lamp have specially-developed keys, shown in
Figure 6, to ensure proper installation. Do not use HMI 1200 W/S
lamps with the non-keyed SFc 10-4 base.
Warning! Installing any other lamp may create a safety
hazard or damage the fixture!
The lamp has an average life of 750 hours. To reduce the risk of
explosion, replace the lamp before usage exceeds 125% of the
average life, i.e., before it exceeds 940 hours. To read lamp hours
from the control panel, please refer to Readouts on page 16.
For optimum performance, avoid turning off the lamp before it
has warmed up fully.
Lamp replacement
Important! Do not touch the quartz bulb with bare fingers.
Replacement lamps are available from your Martin dealer. Please
order Martin P/N 97010304.
The clear quartz bulb must be clean and free of any oils from
your fingers. Clean the lamp with an alcohol wipe and polish it
with a dry cloth, particularly if you accidentally touch the bulb.
Replacing the lamp
1 Disconnect the fixture from power and allow it to cool. Lock
the head horizontally with the top up.
2 See Figure 4. Release the 4 quarter-turn fasteners marked
with arrows on the rear plate. Pull the lamp assembly
straight back as far as it goes and let it rest in place.
3 See Figure 5. Pull the retention spring on the left end up
and then swing the end of the lamp out. Pull the other end
out of the socket.
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Figure 4: Lamp access
Figure 5: Lamp removal
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