LX Navigation d.o.o. Pipistrel ALPHA Trainer – Operators Manual for LX Instrument Suite. April 2013
Revision 3 Page 3 of 5
System description
The LX Navigation Instrument system consists of following instruments:
• EMSIS AHRS - 80 mm (3⅛”) unit with artificial horizon and air data source;
• DAQU engine monitoring box (mounted behind instrument panel);
• LX Cluster engine data display;
• IAS indicator - 80 mm (3⅛”);
• Altimeter - 80 mm (3⅛”);
• Variometer - 57 mm (2¼”);
• RPM and hour meter - 57 mm (2¼”).
All instruments are electronic devices connected to the main system electrical bus. They have a
familiar needle display recognized immediately by older pilots as well as large digital numbers
which are easy to read in all conditions. The only unit which is connected to the airplane pitot
and static source is EMSIS AHRS.
The EMSIS AHRS is a 80 mm (3⅛”) instrument
and is the central part of the LX instrument system;
it and the other instruments turn on immediately
after main power is applied.
The display is divided into three parts, the upper
part displays your track heading (derived from
inbuilt GPS) the larger middle section is an artificial
horizon indicator and the lower part shows IAS,
altitude and QNH.
QNH always matches the value which is set on the
altimeter. The altimeter has the QNH adjustment
knob which is shared between both instruments.
Description of commands:
• Long press on pitch zeroing;
• Short press on increasing of backlight;
• Short press on decreasing of backlight;
• Micro SD slot for future updates.
Keep the unit powered during flight, otherwise engine data and air data
Will be lost from the displays until power is re-applied.
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