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Installation and Operation, cont'd
Genlock
MENU
Exit
Menu
Figure 2-17 — Exit menu
Additional Functions
In addition to the main menu system, there are several other functions that are
featured by the VSC 900/900D: image centering, image freezing, unit reset to
factory defaults, input reset to return the input to the factory default settings, and
executive mode to disable the front panel controls.
Center function
The following flowchart describes the shift feature. Shift an image to center it or
move it horizontally and vertically. From the default cycle, rotating either Adjust
knob will display the Shift menu. The Shift menu will also display when the
Next button is pressed from the Size menu.
Figure 2-18 — Centering adjustment
Freeze mode
The displayed image may be prevented from being changed by pressing the
Freeze/Reset button at any time to enable this function. The Freeze/Reset LED
lights green when this button is pressed. While in freeze mode, menu options
cannot be modified. Pressing the Freeze/Reset button again disables this
function (see note below). See Front Panel Features in this chapter.
2-16
VSC 900/900D • Installation and Operation
Extron VSC 900
Scan Converter
NEXT
2 sec.
Extron VSC 900
Horiz. 56.19 KHz
Scan Converter
Vert.
2 sec.
H
Center
V
2048
1024
If freeze mode is enabled, pressing the Next button from the Auto Imaging
main menu disables freeze mode.
2 sec.
Horiz. 56.19 KHz
Vert.
49.95 Hz
2 sec.
49.95 Hz
From the default menus, rotating either of the
horizontal or vertical adjustment knobs activates
the centering menu. Rotate the
knob to adjust
horizontal shifting, and rotate the
knob to adjust
vertical shifting.
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