Section 5
♦
Global Setup Menu Functions
84
CMN-41 Series Installation and Operation Handbook
Copyright © 2009, Harris Corporation
•
Aspect Ratio
: This selection option is used to indicate to the CMN-41
instrument the format of the monitor that is utilizing the signal from the DVI
OUT port. The menu selection should always match the actual aspect ratio of the
monitor. When the aspect ratio is correctly set, the vector display graticule will
appear round instead of oval.
•
Sleep Mode
: This selection option is used to turn off all LEDs and the display
after there is no activity for the specified duration. In Sleep mode the CMN-41 is
still active (that is, alarms still triggered, etc.) The time it takes for Sleep mode to
activate can range from 1 to 60 minutes.
•
Monochrome Display:
This selection option is used to provide a black-and-
white display output.
•
Graticule Intensity
: This selection option is used to raise or lower the brightness
of the displayed graticule. The range of graticule intensity is 1% to 100%. The
default selection is 50%.
•
Cursor Intensity
: This selection option is used to raise or lower the brightness of
the displayed cursor. The range cursor intensity is 1% to 100%. The default
selection is 100%.
•
Front Panel
: This selection option is used to raise or lower the brightness levels of
the front panel function buttons, and to select the intensity of the display
background.
•
High Tally
: This selection option is used to set the brightness of the High Tally
state. The brightness of the high tally state is determined by the contrast and
brightness of the low tally state. The range of button contrast is 35% to 100%.
The default selection is 80%.
•
Low Tally
: This selection option allows for setting the brightness of the buttons
in a low tally state. The range of brightness is 0% to 10%. The default selection
is 5%.
•
GPIO
: The GPIO selection options are described below
•
Input Function
: This selection option is used to configure the GPIs. There are
selectable functions to allow external control of the unit or to show an onscreen
alarm.
•
Output Function
: This selection option is used to determine the GPO Polarity
and GPO Setup for each input.
GPO Polarity
There is one OUTPUT GPI that is associated with a list of alarms. All GPO
alarm activation selections are set to the default OFF until the alarm is enabled.
When an alarm is enabled, the GPO functions according to the GPO POLARITY
setting (NORMALLY OPEN, NORMALLY CLOSED). The default polarity is
NORMALLY OPEN.
−
NORMALLY OPEN: The contact closure on the GPO board is normally
open. When the contact closure closes, the GPO alarm is activated.
−
NORMALLY CLOSED: The contact closure on the GPO board is normally
closed. When the contact closure opens, the GPO is activated.
