Barco ATLAS 67 CS4 User Manual page 53

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Options
! Source Number
The source number of a non-active source can be changed to any other source number. This
makes it possible to create a file for future source numbers.
! Clamp Position
Clamping determines the black level of the signal. The clamp pulse can be related to the lead-
ing or the trailing edge of the sync pulse. Use the
[trailing].
! Clamp Delay
The time between the leading edge of the clamp pulse and the locked edge of the sync pulse.
Can be any value between 0 and 255. Change the value by pushing the cursor key
! Clamp Width
The width of the clamp pulse. Can be any value between 0 and 255. Change the value by
pushing the cursor key
! Field Polarity
The field polarity function is used for interlaced images. Both rasters of the image could be
shifted in a wrong way (double lines are visible in the image). This can be corrected by forcing
the field polarity to [
! Field Select: Default [
The field select is only used for interlaced images. One frame of an interlaced image contains
two fields, an even and an odd field. The choice exists to project [
only the [
] or [
even
gle between [
both
! Vertical Refresh [
The way of updating the image information on the LCD panels. Not available for PAL-NTSC-
SECAM sources. This option will be displayed in gray.
* For sources with a vertical frequency up to 60 Hz: the vertical refresh rate is the same as the
vertical frequency of the incoming source. This is a necessity to project moving images without
'motion artifacts'. For stationary images with a vertical frequency up to 60 Hz it is still possible
to use asynchronous refresh. When loading Pal, Secam, NTSC-files the synchronous mode is
default, for all other sources below 60 Hz asynchronous mode is default.
* For sources with a vertical frequency higher that 60 Hz: the vertical refresh is different than
the vertical frequency of the incoming source. Synchronous refresh cannot be used.
! Vertical Sync Polarity [
The vertical refresh can be synchronized with the leading sync edge or trailing sync edge. De-
fault on [
leading
Toggling to [
trailing
sync signal has to be taken as a reference. Use the
[
]
trailing
Press
to leave the
EXIT
! A
'Confirm Edit File'
! Press
to confirm and to save the new settings or
ENTER
entered settings.
R5976255 A
CS4 (2001-03)
TLAS
or
.
left
right
] or [
]. Use the
neg
pos
]
both
] field. This can be useful for 3D projection. Use the
odd
], [
] and [
].
even
odd
/
]
sync
async
] or [
leading
trailing
].
] is only necessary for special applications where the trailing edge of the
Edit File Option menu.
menu will be displayed.
key to toggle between [leading] and
ENTER
key to toggle between [
ENTER
both
]
key to toggle between [
ENTER
to return without saving the new
EXIT
or
.
right
left
] and [
].
pos
neg
] fields on the screen or
key to tog-
ENTER
] or
leading
8-5

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