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CVR250
SECTION 5
CVR250OPS
20/10/06
www.snellwilcox.com
Version 1 Issue 4
5.1
Modes of Operation
The unit may be operated and controlled by three
different methods.
1. Via the dedicated front panel buttons
(The CVR250 is supplied in this mode)
Various selections may be made directly by a
single push of a button. e. g. INPUT Source.
Pressing the button again deactivates the function
and the button LED will turn off.
Holding down a button will reveal an appropriate
menu in the display window. e.g. PATTERN.
2. Via the RollCall menu Structure
Menus may be selected by the push buttons
adjacent to the display and further menu selections
made by rotating a spinwheel and pressing the
adjacent push button.
The spinwheel also allows continuously variable
parameters, e.g. Gain, to be adjusted and the
setting to be seen in the LCD window.
3. Via a PC using the RollCall Templates
All operational parameters and selections may be
made on the RollCall system via a PC.
Selecting the Mode of Operation
1 & 2
Via the dedicated front panel buttons and the RollCall menu Structure
As supplied, the CVR250 is controlled from the front panel via the internal Gateway card and using the push
buttons and menus in the LCD window.
This configuration is shown below:
CVR250 Electronics
RollCall
Gateway
Card
CVR250 Front Panel
R
o
llC
a
ll
n
e
tw
o
rk
composite
input
black level
pattern
output
standard
hue
genlock
memor y 3
a
a
b
b
enhance
YC
memory 2
browse
memory 1
Y gain
setup
SDI
CVR250
STAN DARDS CONVERTER
scroll
adjust
home
previous
return
hold for
menu
625
525
C gain