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Compass
AHRS-1
Operating Manual

Vega AHRS-1 Operating Manual

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Introduction

The AHRS-1 / MAG-1 is a 2 1/4” sunlight readable color display instrument providing a display for an artificial horizon

reference system (AHRS), an advanced digital compass, or both depending on which sensor packages is connected.

The AHRS-1 / MAG-1 can be setup to display the following:

• Compass with optional slip indicator (requires MGL Avionics SP-6 sensor package)

• Horizon with optional slip, turn indicator & G-Force (requires MGL Avionics SP-7/9 sensor package)

• Turn and bank indicator (requires MGL Avionics SP-7/9 sensor package)

• Combined compass and horizon display with bank indicator, optional slip indicator & G-Force (requires MGL

Avionics SP6 & SP-7/9 sensor packages)

1 Features

• Large 1.8” high resolution 160x128, sunlight readable, wide viewing angle, 1000 cd/m2 TFT LCD display

• Artificial horizon reference system (AHRS) display unit with slip indication, turn and bank and G-Force

indication

• Advanced magnetic compass with a course steering feature and slip indication

• Can be setup as an individual compass display, artificial horizon or both

• The AHRS-1 / MAG-1 is connected to the AHRS / Compass sensor packages by a simple CAN bus

interface. This allows for the optimum placement of the sensor packages in the aircraft

• More then one AHRS-1 / MAG-1 unit can be connected onto the CAN bus. This allows the compass,

artificial horizon and the turn and bank indicator to be displayed on different units

• G-Force indicator (MGL Avionics SP7 required)

• Standard 2 1/4” aircraft enclosure (can be front or rear mounted)

• Rotary control plus 2 independent buttons for easy menu navigation and user input

• An external output activates when a high alarm condition has been reached

• Wide input supply voltage range of 8 to 30V DC with built in voltage reversal and over voltage protection

for harsh electrical environments

• 1 year limited warranty

Vega AHRS-1 / MAG-1

AHRS-1: Artificial Horizon and Magnetic

Compass indicator

MAG-1:

Magnetic Compass Indicator

Operating Manual – English 1.01

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Summary of AHRS-1

Page 1
Introduction the ahrs-1 / mag-1 is a 2 1/4” sunlight readable color display instrument providing a display for an artificial horizon reference system (ahrs), an advanced digital compass, or both depending on which sensor packages is connected. The ahrs-1 / mag-1 can be setup to display the following...
Page 2: 2 Ahrs-1 / Mag-1 Layout
Vega ahrs-1 / mag-1 operating manual page 2 2 ahrs-1 / mag-1 layout 2.1 ahrs-1 layout 2.2 mag-1 layout f2 / down button: menu system: softkey button fast level function sunlight readable color graphic display: backlight can be adjusted in the menu system rotary control (up/down) & enter button: pres...
Page 3: 3 Main Displays
Vega ahrs-1 / mag-1 operating manual page 3 3 main displays the ahrs-1 can be set up to show 3 different display screens. Turning the rotary control either clockwise or anti- clockwise allows you to select the operation of the ahrs-1 as an artificial horizon with mini compass and a mini turn and ban...
Page 4: 3.3 Digital Compass
Vega ahrs-1 / mag-1 operating manual page 4 fast level function press the f2 key should the horizon display be toppled (i.E. Indicating incorrectly by a large amount) due to excessive maneuvering or by exceeding the maximum bank, pitch or yaw rates. This will indicate to the instrument that you are ...
Page 5
Vega ahrs-1 / mag-1 operating manual page 5 3.3.2 using the course steering indicator to activate the course steering indicator, steer the required heading and then press the f1 key. The compass will display: the f1 key pressed at a heading of 176 degrees. Currently the heading equals the course to ...
Page 6: 4 Menu System
Vega ahrs-1 / mag-1 operating manual page 6 4 menu system press the rotary control button during the normal display mode to enter the menu system. Use the rotary control to navigate through the menu system. 4.1 exiting the menu system press the f1/up button to exit the menu system when the “exit” so...
Page 7
Vega ahrs-1 / mag-1 operating manual page 7 numeric: select “on” if you would like to see a numeric display of bank and pitch angles superimposed on the horizon display. G-force: select “on” if you would like to see the g-force displayed on the horizon display. Ground : select the ground color of th...
Page 8: 4.3 Compass Setup
Vega ahrs-1 / mag-1 operating manual page 8 4.3 compass setup display: select the style of the compass tape as in section display mode as described in section 3.3 above heading: select whether you would like the instrument to display magnetic or true heading. If you select true heading, you need to ...
Page 9
Vega ahrs-1 / mag-1 operating manual page 9 in-flight calibration procedure please see documentation supplied with the sp-6 for more information. Fly the aircraft in safe area where you can perform random banked turns. Do not exceed the safety limits of the aircraft during the calibration flight. St...
Page 10
Vega ahrs-1 / mag-1 operating manual page 10 4.4 misc setup (miscellaneous setup) backlight: select this menu option to adjust the backlight brightness. Security setup: select this menu option if you want to password protect the menu system. Information: this menu option displays information about t...
Page 11: In Flight
Vega ahrs-1 / mag-1 operating manual page 11 default settings: select this menu option to reset all the settings to factory defaults. Model: this menu option is used to select which model of display you have. Select mag-1 if you only want a compass display as then all menus pertaining to the ahrs-1 ...
Page 12: 8 Error Messages
Vega ahrs-1 / mag-1 operating manual page 12 8 error messages unit settings crc error. Load default settings to restore to factory defaults. If the error message still persists then it could possibly be a non-volatile memory failure in which case the instrument will then have to be returned to the f...
Page 13: 10 Operating The Alarms
Vega ahrs-1 / mag-1 operating manual page 13 10 operating the alarms the alarm output can be used to switch an external alarm indicator. The external alarm switch is an open collector transistor switch to ground with a maximum rating of 0.5a dc. It is possible to wire the alarm contacts of several s...
Page 14: 12.2 Connection Diagram
Vega ahrs-1 / mag-1 operating manual page 14 12.2 connection diagram the use of an external 1a fuse is recommended. Connect the supply terminals to your aircrafts power supply. The ahrs- 1 / mag-1 can be used on both 12v and 24v without the use of any pre-regulators. Ensure that the supply voltage w...
Page 15: 13 Cleaning
Vega ahrs-1 / mag-1 operating manual page 15 13 cleaning the unit should not be cleaned with any abrasive substances. The screen is very sensitive to certain cleaning materials and should only be cleaned using a clean, damp cloth. 14 warranty this product carries a warranty for a period of one year ...
Page 16
Vega ahrs-1 / mag-1 operating manual page 16 other instruments in the stratomaster vega series ahrs-1 artificial horizon and magnetic compass indicator alt-5 altimeter and vertical speed indicator (vsi) asi-4 airspeed indicator (asi) asv-1 altimeter, airspeed (asi) and vertical speed indicator (vsi)...