Extron electronics VSC 900, Руководство пользователя, Страница: 26 / 50

Installation and Operation, cont’d
VSC 900/900D • Installation and Operation 2-18
MENU = Factory
NEXT = Input #
Unit
Reset
Extron VSC 900
Scan Converter
2 sec.
2 sec.
Horiz. 56.19 KHz
Vert. 49.95 Hz
FREEZE/
RESET The input may be reset to it's factory default values. To reset the input, press
and hold the Freeze/Reset button for two seconds (the LED will begin to blink).
Immediately press the Next button to reset the input. If you wait too long before
pressing the Next button, the freeze control will be activated and the Freeze/Reset
button must be pressed again to unfreeze the controls.
NEXT
Figure 2-21 — Input reset function
Executive mode
To prevent accidental changes to settings, simultaneously press and hold the Up
and Down Cursor buttons for about two seconds to enable the VSC’s executive
mode. Executive mode locks all front panel functions except centering (shifting),
input selection, and presets. When executive mode is active, all functions and
adjustments can still be made through RS-232 control. For details on RS-232
control, see chapter three.
To disable executive mode, simultaneously press and hold the Up and Down
Cursor buttons again for about 2 seconds.
Executive Mode
Enabled
Extron VSC 900
Scan Converter
2 sec.
2 sec.
Horiz. 56.19 KHz
Vert. 49.95 Hz
Executive Mode
Disabled
Simultaneously press and hold the Up and Down
Cursor buttons for about two seconds to enable
executive mode and lock the
front panel buttons. Executive mode
may be enabled at any time and while in any menu.
Press again to disable executive mode.
Figure 2-22 — Executive mode