8.
Press the Confrm knob to assign the output
reference synchronizer.
If you select an analog reference format (NTSC/PAL)
you must set whether you want to use color framing for
the reference output or not.
To Set Color Framing for Analog Reference
When the output reference (OSync) is set to an analog
format (NTSC/PAL), the color framing in the sub-carrier
can be synced to the color framing of the input reference.
The input reference must also be set to an analog format.
Note: Jitter on the color framing of the input reference causes
the analog output reference to reset in an attempt to re-sync.
1.
Press MENU > REF > NEXT > NEXT.
2.
Use the Clrfrm knob to turn color framing on
or off.
•
NoSync — color framing not synced
between input and output references
•
Sync — reference output color framing is
synced with reference input color framing
Aspect Ratio Conversion
Converting between standard-denition and
high-denition video formats often requires converting
between 4:3 and 16:9 aspect ratios. The switcher support
Full, Zoom, Letterbox, and Pillarbox conversions.
In 480i and 576i video formats you can use either a 4:3
or 16:9 aspect ratio.
Full
The video signal is scaled disproportionately to ll the
display of the new aspect ratio. Aspect distortion occurs
as the image is stretched/compressed to t in the new
aspect ratio.
Figure 1: 4:3 to 16:9 Full Aspect Ratio Conversion
Figure 2: 16:9 to 4:3 Full Aspect Ratio Conversion
Zoom
The central portion of the video signal is zoomed to ll
the display of the new video format. No aspect distortion
is introduced but the edges of the video signal may be
cropped.
Figure 3: 4:3 to 16:9 Zoom Aspect Ratio Conversion
Figure 4: 16:9 to 4:3 Zoom Aspect Ratio Conversion
Letterbox
Black bars are added to the top and bottom of a 16:9
image to display correctly in a 4:3 video format.
Figure 5: 16:9 to 4:3 Letterbox Aspect Ratio Conversion
Pillarbox
Black bars are added to the right and left of a 4:3 image
to display correctly in a 16:9 video format.
Figure 6: 4:3 to 16:9 Pillarbox Aspect Ratio Conversion
To Set an Aspect Ratio for 480i/576i
You can only select an aspect ratio if the switcher is
operating in 480i or 576i.
1.
Press MENU > REF.
2.
Use the Aspect knob to select the aspect ratio
(16:9 or 4:3) that you want to use.
3.
Press the Aspect knob.
4.
Press the Confrm knob to assign the aspect
ratio.
Switching Field
The switching eld is the eld in an interlaced video
format that the switcher uses to transition from one video
source to another. An interlaced video format is made
up of two elds, eld 1 (odd lines) and eld 2 (even
lines).
Note: If you are running in a progressive video format, selecting
an even or odd fields will cause the switcher to only allow
transitions on every second frame.
Carbonite Setup Manual (v10.0) — Video Reference • 17
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