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Section 3: Operation
RPMSP & CSP70-D100U User’s Manual 3-47
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Figure 3.24.
• Dual Lamp – Select this option to operate the projector with both lamps on. In
this mode, you can achieve maximum brightness output by the projector. If
one lamp fails in this mode, the projector automatically switches to the single
lamp mode of operation for the lamp that is still operational. This transition in
lamp operation modes does not interrupt the current presentation, but creates
an immediate dimming of the image. If both lamps fail at the same time, an
error is reported and the projector automatically turns off.
•
Single, Lamp #1 or Single, Lamp #2 – Select either one of these options if you
want to operate the projector with only one lamp on and the other lamp in
“reserve”. If a lamp fails in this mode, the projector automatically responds by
switching to the other single lamp mode of operation. In this case, continuous
operation is maintained. When you access the Lamp menu, the Lamp
Operation option reads that of the new lamp.
NOTES: 1) By default, the projector is set for Dual Lamp mode. 2) The projector
automatically shuts down if it detects that both lamps have “failed” (this includes
lamp not installed). 3) Once the “failed” lamp is replaced, the lamp operation
mode does not automatically change back to the previous mode. It must manually
be selected. 4) It takes several seconds for a lamp to reach full brightness when it
is first turned on.
Figure 3.25. Relation between Lamp Operation Modes and Brightness
A Note About Switching Lamp Operation Modes
The projector is designed with two lamps so that it can potentially maintain
constant light on the wall. It automatically detects a failed lamp and responds
by switching lamp operation modes and turns the other lamp on. You may see
a brief period of no light on the wall until the new lamp is ignited and a
gradual increase to full brightness.