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L
AMP
The MAC 2000 Profile II is supplied with a Philips MSR 1200
SA/DE GOLD 1200 W discharge lamp installed. This source has
a color temperature of 6000 K, a color rendering index greater
than 85, 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 II with electronic ballast.
The ends of the lamp are profiled with special keys, as shown in
Figure 6, to ensure proper installation. Do not use lamps with
keys in a non-keyed SFc 10-4 socket.
Warning!
Install only an approved lamp (see Source on
page 38). Installing any other lamp may create a
safety hazard or damage the fixture!
The lamp should be replaced when it has reached the limit of its
750 hour average life. To reduce the risk of explosion, never
exceed 125% of the lamp's average life, i.e. 940 hours. To read
lamp hours from the control panel, please refer to Readouts on
page 14.
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.
The lamp can be replaced with either a:
• Philips MSR 1200 SA/DE GOLD (Martin P/N 97010310), or an
• OSRAM HMI 1200 W/S (Martin P/N 97010304).
Both lamps are available from your Martin dealer.
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-hand end
of the lamp socket up and then swing the end of the lamp
out. Pull the other end out of the socket.
4 Inspect the socket for corrosion (see Replacing the lamp socket on page 8) and replace if necessary.
Lamp
TO P
Figure 4: Lamp access
Figure 5: Lamp removal
7
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