CVR250
SECTION 4
CVR250OPS
20/10/06
www.snellwilcox.com
Version 1 Issue 4
4.1
Operation
THE CONTROL PANEL
Operating the CVR250 using the Front Panel Buttons and the Menu System
USING THE FRONT PANEL PUSH BUTTONS
These buttons have two modes of operation
depending on the length of time they are pressed.
A momentary push will select or deselect the
named function.
Holding down a button underlined with a crescent
shape
or
will reveal the menu
associated with the chosen function.
Making a Direct Function Selection
A momentary push of the
COMPOSITE
A
button
will select Composite Input A.
Making a Direct Adjustment Selection
A momentary push of the
Y GAIN
button will
reveal the Luminance Gain adjustment screen.
Turning a Function ON or OFF
A momentary push of the
Pattern
button will
turn the pattern ON or OFF.
Accessing the Menus
Holding down a button underlined with a crescent
shape will reveal the menu associated with the
chosen function.
For example, holding down the
Pattern
button will reveal the Pattern selection menu.
Note that some buttons do not have an ON/OFF
function e.g. SETUP; in this case a momentary
push will reveal the associated menu.
USING THE MENU SYSTEM
The system may be considered structured as a set
of menus and sub-menus that are displayed in the
LCD window.
(See CVR250 Menu System drawing on page 4.5)
A new menu is selected by pressing the
appropriate dedicated function button.
If necessary a sub-menu may then be selected by
pressing the push button adjacent to the
arrowhead in the text line of the menu name.
This sub-menu will then be displayed in the window
and will have the option of selecting another
sub-menu in the same manner, or allow the
adjustment of a particular parameter. Parameters
enabled will appear as highlighted reverse text
(white text on a black background).
The spin-wheel
allows
parameters and
menus to be
displayed in the
LCD window
Display Control
Buttons
This LCD window
displays the
parameters and sub-
menus that may be
selected by the push
buttons and by the
spin-wheel
Dedicated Push
Buttons
