OPERATION
Roadie 25K User’s Manual
3-55
•
Power:
The power supplied to the lamp will remain at your specified wattage
level. Once you select this option, enter the number of watts representing the
power level you wish to maintain. See “
Power
” below.
POWER -
This slidebar and number indicates how
many watts are applied to the lamp. You can apply
anywhere from 75% of the maximum power intended for the installed lamp up to an
“over-drive” that exceeds the maximum rating by approximately 10%. Set for the
number of watts as desired, keeping in mind that lower power levels produce dimmer
images. When in either “
Power
” or
Max Brightness
modes, the power level remains
constant. Specifying a maximum power level here is the same as operating in
Max
Brightness
mode, and will shorten lamp life.
NOTES: Power level can be set only if the lamp is in “power” mode.
INTENSITY –
This value and slidebar represents the
current brightness of your lamp, decreasing over time
when you are operating in
Max Brightness
mode or at a specific
Power
level.
However, when you are operating in “
Intensity
” mode, this value remains at the
original “
Intensity
” setting chosen, and cannot be adjusted.
NOTE: The number shown for “intensity” is not the actual lumen output, but rather a
correlated value only—9415 may represent 20,000 lumens, for example.
To use “
Intensity
” mode, judge by eye and set the level as desired for your
application, remembering that higher settings can significantly shorten lamp life.
Over time, the projector will automatically increase the power supplied to the lamp as
needed to maintain the chosen intensity as closely as possible. This mode is known as
“Brightness Tracking” or “LiteLoc”.
Since power increases over time in this mode, prevent prolonged over-driving by
checking the lamp power readings periodically.
HOW LONG CAN I MAINTAIN BRIGHTNESS?
Software can maintain your “
Intensity
”
setting until the required power exceeds the maximum rating for the lamp (2.0, 3.0,
4.5, or 6.0 kW) by approximately 10%. The lower the setting, the longer it will take
to reach this threshold, and the longer you can maintain the desired brightness. Keep
in mind that once the lamp power reaches its maximum wattage (see “
Power
”, above),
this tracking is no longer possible. At this point, the lamp will gradually begin to dim
as usual, even though your original “
Intensity
” value will still appear in the menu. To
resume accurate tracking, reduce the intensity setting so that the resulting “
Power
”
value is less than its maximum—the lower the intensity, the longer it can be
maintained.
For example, a 6000 watt lamp (6.0 kW) can be safely driven at no more than 6600
watts. To produce desired brightness at the screen, a new lamp would likely need less
than this maximum rating—perhaps 5120 watts (example only). Over time, however,
the lamp will require more and more current in order to generate the desired light,
until eventually the lamp wattage reaches its 6600 “overdrive” maximum, and the
lamp power automatically levels off. At this point, the tracking function terminates
(i.e., the power level stabilizes) and the lamp will begin to dim normally. Either
reduce your “
Intensity
” setting or replace the lamp.
Содержание Roadie 25K
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Страница 15: ...INSTALLATION AND SETUP Roadie 25K User s Manual 2 9 Figure 2 10 Switching Between Flat Scope Displays ...
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Страница 153: ...SPECIFICATIONS Roadie 25K User s Manual 6 7 ...
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Страница 165: ...Appendix B Remote Keypad Roadie 25K User s Manual B 1 Figure B 1 Standard Remote Keypad ...
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Страница 168: ...SERIAL COMMUNICATION CABLES C 2 Roadie 25K User s Manual ...
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