SV-EMS-220/221 Installation and Configuration
SkyView System Installation Guide - Revision AA 7-77
OFF – no alarm for the sensor.
SELF-CLEAR – When an alert is triggered, it is annunciated both on the engine page and in
the messaging system. When the alert condition ceases, all of these annunciations cease,
even if the precise alert message was not acknowledged by pressing the rightmost button
on the display to bring up the message window.
LATCHING – When an alert is triggered, it is annunciated both on the engine page and in the
messaging system. However, when the alert condition ceases, the message notification area
above the rightmost button will continue to show the unacknowledged alert state until the
alert message is viewed in the message window, even though the offending parameter has
returned to within limits. This behavior ensures that the pilot is aware that an alert was
triggered, even though the condition no longer exists.
Reference the SkyView Pilot’s User Guide for information regarding how sensor alarms show up
onscreen during operation.
EMS Sensor Graphical Display Limits
The settings here define the minimum and maximum values that will be shown graphically on
the sensor’s gauge. Effectively, this is the start and stop point of the gauge. If the indicator you
choose for this value shows digital numbers for the value, they will not be limited by this
setting. The system will not allow you to set these numbers higher or lower than the sensor can
support.
SHOW SENSOR UNITS (YES | NO)
Some custom developed sensors may warrant a graphical widget that is not expressed in any of
the units that SkyView’s EMS supports. In such cases, you can suppress the display of the
widget’s actual unit of measurement (volts, degrees, etc.) by setting SHOW SENSOR UNITS to
NO.
EMS Sensor Ranges
The order that ranges are configured has no effect on the functionality or display of the gauge.
Ranges are defined with the following properties: enable, color, top, and bottom. Enable is
used to tell SkyView if that range is on or off. If it is off, it will not be considered or displayed.
Each gauge can consist of up to five ranges. If fewer ranges are desired (such as a contact), set
the unneeded ranges ENABLE: NO. Each range has an associated color: Black, Red, Orange,
Yellow, Green, Blue, Violet, White, or Cyan. If a range is not defined, it is considered black, so
there is not generally a reason to configure black ranges. If ranges overlap, the following rules
apply:
Red trumps Yellow
Yellow trumps Green
Green trumps Blue / Cyan / Orange / Violet / White / Yellow (these are equal priority)
Blue / Cyan / Orange / Violet / White / Yellow (these are equal priority) trumps Black
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