MGL Avionics Stratomaster Ultra “L” Owner’s manual
Page 10
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Vario output for glider or motor glider use
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Flight log (or lesson log) storing up to 240 entries
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User programmable pre-takeoff checklist
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Hobbs meter, presetable to current engine time
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Density altimeter
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Barometer for ambient pressure
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Aircraft registration number display
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Maintenance timer
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Warnings for engine temperature, speed high, speed low, maximum altitude and
low fuel level
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Alarm contact output to switch a warning lamp
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Audio alarm output to drive a panel speaker or low level output for alarm tone
injection into a suitably equipped headset or intercom system.
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Instructor modes
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Master and slave modes for dual instrument setup
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Measuring take-off run to 50 ft (15.24 m) above ground level
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Air talk link for connection to:
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A) PC’s and Laptops using optional cable
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B) Stratomaster “Black Box” flight recorder
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C) Stratomaster Ultra secondary instrument
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D) Key ring flight log download device
RDAC EIS functions
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Four channel thermocouple amplifier, high resolution chopper stabilized system with
full cold junction compensation and bow voltage correction to laboratory standards.
The inputs can accept K-type or J-type thermocouples (selectable via provided menu
functions)
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Two channel NTC measurement input for Rotax 912 standard CHT senders.
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Oil or Water temperature NTC input compatible with Rotax oil temperature sender
and MGL water temperature sender. Also accepts MGL precision semiconductor
senders for water and oil temperature.
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Universal rev counter input. Can be used on a wide variety of engines using a variety
of interface methods.
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Fuel flow sender input. Can be used with most commercial liquid flow senders.
Calibration via provided menu functions.
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Oil pressure sender input. Accepts most commercial oil pressure senders including
the VDO unit used by Rotax.
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Fuel level sender input with extensive calibration functions provided to allow direct
readout of fuel quantity corrected for tank shape and sender tolerances.
The EIS included with the Ultra “L” provides for a wide variety of engines and the display unit
can be configured in many different ways as outlined under the “Device setup menu”.
Typical engines range from small single cylinder two strokes, the Rotax series of engines
from the 447, 503, 582, 618 and the four stroke 912 and 914 engines. All of the 2SI (Two-
stroke international) engines can be used as well as many typical automotive engine
conversions, VW, BMW and Subaru being only a few. The EIS is also a perfect fit for the
Australian Jabiru engines and the HKS two cylinder four-strokers.
For larger engines or additional thermocouple channels please have a look at the
“Stratomaster Ultra X” line of instruments.
Other functions