Transponder Operation
SkyView HDX Pilot’s User Guide – Revision B 6-3
EGT bars. When caution or alarm points are red, this tick mark changes colors with the
numbers. This representation allows all CHTs and EGTs to be displayed in a way that affords
quick comparison of their values, whether raw data or a graphical comparison is preferred.
The combined CHT/EGT widget is available in horizontal layout shown above and also a vertical
arrangement as presented in the default ENGINE BOTTOM BAND previously shown.
Rotax 912 Behavior
Indicators for Rotax 912 Power/Eco mode and Throttle Position are available:
• The POWR/ECO widget will turn green and display “ECO mode” when the engine is running
economically. In this mode you will experience reduced fuel consumption.
• When the engine is off, the THRTL widget will show a green range to assist cold-start
scenarios. Note that both lane switches and start power must be on in order to display the
throttle position widget.
See your Rotax manual for more information.
SkyView can be configured to adjust the oil temperature and tachometer gauges for the Rotax
912 engine dynamically to reflect limitations that Rotax specifies for that engine. When this
behavior is turned on (per the SkyView Classic / SE / HDX System Installation Guide), the
tachometer and oil temperature behave in the following ways:
Tachometer for Rotax 912:
When OIL TEMP < 120° F, the TACHOMETER displays these ranges:
• 0-1400 and 4000-6000 RPM in RED
• 1400-1800 and 2500-4000 RPM in YELLOW
• 1800-2500 RPM in GREEN
When OIL TEMP > 120° F, the TACHOMETER displays different ranges:
• 0-1400 and 5800-6000 RPM in RED
• 1400-1800 and 5500-5800 RPM in YELLOW
• 1800-5500 RPM in GREEN
The alarm type for the tachometer is the “self-clearing” type.
Oil Temperature Gauge for Rotax 912:
When OIL TEMP < 190° F, the OIL TEMP gauge displays these ranges:
• 100-120 and 230-266° F in YELLOW
• 120-190° F in GREEN if OIL TEMP has been above 190° F “more recently” than OIL TEMP was
below 120° F; otherwise 120-190° F is displayed in BLACK OUTLINED IN WHITE
• 190-230° F in GREEN
• 266-280° F in RED.
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