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Section 3: Operation
RPMX/CX50/CX60/CX67 User’s Manual 3-23
At any time during operation you can select the Lamp Menu to view the number
of hours the lamp has been in use. Typically, as the lamp ages it begins to get
dimmer. It is recommended that you check the number of hours the lamp has
been in use as a good indicator as to whether or not it requires replacement. Other
lamp specific read-only information includes the Lamp S/N (lamp serial
number).
Figure 3.32.
Enter the lamp serial number for each new lamp installed and used in the
projector. The serial number can be up to 13 characters in length and can be
entered using the RS232 command LPC. For example: (LPC AAAA123456789).
Once a new serial number is entered the lamp timer is reset back to zero.
Select Lamp History to access a smaller dialog box with read-only information
about the history of previous lamps installed and recorded. The serial number and
number of hours logged for each lamp is displayed. The Lamp History is
automatically updated whenever the serial number for a new lamp is recorded.
The information for the new lamp is added to the bottom of the list.
NOTE: 1) Enter a serial number only if you have just installed a new lamp. This
will help ensure the lamp timer is not reset on an old lamp and that the number
of hours logged on the lamp will be accurate. 2) The lamp serial number can be
found on the lamp itself.
Choosing a Lamp Power
A switch, located on the PHM, allows you to select the power level (in watts)
that you wish to apply to the lamp. (Figure 3.33.) You can choose from two
settings – 100W and 120W (100W is default). It is important to keep in mind that
the power level you choose affects light output and possibly the life span of the
lamp.
Flipping the switch to 100W produces slightly dimmer images than if the setting
was at 120W. And although there are exceptions, in most lamps, the higher the
light output or power setting, the shorter the life span of the lamp.
It is recommended that you power down the projector before switching to a
different lamp power setting.
3.4 The Lamp Menu