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Christie Mirage 2000 User Manual page 26

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delete the "Intelligent Lens System" checkmark (highlight the option and press
The lens will not move until you adjust one of its settings.
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NOTES: 1) ILS
requires a calibrated lens mount. Calibrate after installation of a lens, and repeat if
the lens is moved or bumped. See Section 3.
When defining the focus, zoom, horizontal offset and vertical offset slidebar settings
for a given channel, keep in mind the following considerations for optimized ILS
performance:
N
The lens mount must be calibrated.
N
When decreasing (
N
When increasing (
N
Lens movements begin slowly and subtly before reaching full speed—changes
may not be evident on screen until after a second or two of
N
When holding
N
As with any setting, you can directly enter a value using the numbers on the
keypad, if desired. Press
N
Because of how gears function, movement to an even value is always
approached from a higher value, even if the direction of lens movement must
reverse to do this. Likewise, an odd value is approached from a lower value.
This protocol helps ensure ILS
¡
¡
x
To make small adjustments for ILS
even status for the new value—this will prevent the lens from reversing at a
point very near to the requested setting and settling in the area of extra travel
known as the "backlash" zone, an area which is not recognized by the ILS
For accurate tweaking of an odd setting, press
)25 (;$03/(
move slightly beyond the requested setting before quickly reversing back
down to 1002. Although 1002 will appear in the menu, the physical location of
the lens will not be accurately recalled by the ILS
Instead, if you need to slightly increase a current odd setting (such as 1001),
either press
1005, etc.) rather than switching to an even setting (1002, 1004, etc.). This
technique will prevent the lens from reversing and settling in the backlash
zone.
x
Try to release the
continue as necessary with small incremental adjustments in the same
direction. If you "overshoot" slightly, do not reverse and "tweak" into place
unless you have overshot beyond the backlash zone (which can vary from 10
to 600 increments, depending on the function). Otherwise, the ILS
will not recognize the final "tweaked" value when you return to this channel,
and lens performance will appear inaccurate. In general, use small
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To use consistent zoom, focus, and offset settings for all channels,

requires motorized lens mount. 2) Accurate ILS
TM
), values are always even (1004-1002-1000-etc.).
), values are always odd (1001-1003-1005-etc.).
or
, lens movement gradually accelerates.
3907
If decreasing to an odd value, movement will reverse its approach.
If increasing to an even value, movement will reverse its approach.
If the current setting is 1001 and you enter 1002, the lens must
as often as necessary or go to a nearby odd setting (1003,
or
%
before and after.
accuracy. In general:
TM
recall, always maintain the current odd or
TM
. If even, press
.
TM
key before reaching a desired lens setting, then
3907
).
performance
TM
TM
or
.
.
TM
.
function
TM

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Mirage 5000