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MGL-Avionics SP-6 compass sensor package to display heading. The AHRS-4 is a self contained attitude display with built in sensors. The AHRS-4 does not require the MGL- Avionics SP-7 sensor package in order to display the attitude, but requires the MGL-Avionics SP-6 compass sen - sor package to display heading.
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Compass with optional slip indicator (requires MGL Avionics SP-6 sensor package) • Horizon with optional slip, turn indicator & G-Force (requires the MGL Avionics SP-7 if using the AHRS-2) • Turn and bank indicator (requires the MGL Avionics SP-7 if using the AHRS-2) •...
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Blaze AHRS-2 / AHRS-4 / MAG-2 Operating Manual Page 3 2 Layout Ambient light sensor 2.1 AHRS-2 / AHRS-4 Layout 3 1/8” (80mm) enclosure. Can be front or rear mounted Sunlight readable color graphic display: The backlight can automatically adjust...
Blaze AHRS-2 / AHRS-4 / MAG-2 Operating Manual Page 4 3 Main Displays The AHRS-2/4 can be set up to show 5 different display screens. Turning the rotary control either clockwise or anti-clock- wise allows you to select the operation of the AHRS-2 / AHRS-4 as an artificial horizon with mini compass and turn and bank indicator, a turn and bank indicator, a digital compass, or as a NMEA GPS viewer The MAG-2 only displays the compass and GPS displays.
Extended range of operation Please see the corresponding MGL sensor documentation for maximum rate specifications. Depending on conditions maximum rates may reach 180 degrees per second. No caging of the electronic gyro system is required during excessive maneuvering, unlike systems based on mechanical gyros.
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Blaze AHRS-2 / AHRS-4 / MAG-2 Operating Manual Page 6 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 steer as shown below the heading tape.
Blaze AHRS-2 / AHRS-4 / MAG-2 Operating Manual Page 7 3.4 GPS Viewer These display are active when a NMEA compatible GPS receiver is connected to the serial port. The following GPS information is displayed: • Time and date •...
Blaze AHRS-2 / AHRS-4 / MAG-2 Operating Manual Page 8 4 Menu System Press the rotary control button during the normal display mode to enter the menu system. Use the rotary control to navi- gate through the menu system. 4.1 Exiting the menu system Press the F1/Up button to exit the menu system when the “EXIT”...
Blaze AHRS-2 / AHRS-4 / MAG-2 Operating Manual Page 9 4.2 Horizon Setup Compass: Select “ON” if you would like to see the compass box on the horizon display. Numeric: Select “ON” if you would like to see a numeric display of bank and pitch angles superimposed on the horizon display.
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Blaze AHRS-2 / AHRS-4 / MAG-2 Operating Manual Page 10 Slip Sense: Select if you want the slip to have a high sensitivity or a low sensitivity setting. Slip Zero: This function allows you to set your slip indicator to exactly zero even if your aircraft tends to fly slightly wing down. The procedure is to place the aircraft in a stable, straight and level attitude during calm flight conditions and then select this function.
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Blaze AHRS-2 / AHRS-4 / MAG-2 Operating Manual Page 11 Tilt Compensate (AHRS-4 only): This allows installation of the AHRS-4 at angles other than vertical (face). Select this menu item once installation of the AHRS-4 indicator is complete. The tilt compensation only needs to be performed once. This allows to set a pitch tilt of the AHRS, keeping all speed related items affecting the accelerometers aligned correctly.
Blaze AHRS-2 / AHRS-4 / MAG-2 Operating Manual Page 12 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 enter the correct magnetic variation for your location.
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Blaze AHRS-2 / AHRS-4 / MAG-2 Operating Manual Page 13 Slip Zero: This function allows you to set your slip indicator to exactly zero even if your aircraft tends to fly slightly wing down. The procedure is to place the aircraft in a stable, straight and level attitude during calm flight conditions and then select this function.
Blaze AHRS-2 / AHRS-4 / MAG-2 Operating Manual Page 14 4.4 GPS Setup GPS Display: Select to enable or disable the GPS display. NMEA Baud: Select the baud rate of the externally connected GPS receiver. Position: Select the display format of the GPS latitude and longitude.
Blaze AHRS-2 / AHRS-4 / MAG-2 Operating Manual Page 15 4.5 COMM Setup (Communication Setup) Serial Out: Select “ON” to enable the RS232 serial output. Unit Address: Enter the unit address. Baud Rate: Select the desired baud rate of the serial output.
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Blaze AHRS-2 / AHRS-4 / MAG-2 Operating Manual Page 16 4.5.2 Data payload Message type=12 Data Length=12 bytes Output Rate=10Hz Bank Angle: Signed Int (16 bits), Bank Angle in 0.1 degrees Pitch angle: Signed Int (16 bits), Pitch Angle in 0.1 degrees Yaw Angle: Signed Int (16 bits), Yaw Angle in 0.1 degrees...
Blaze AHRS-2 / AHRS-4 / MAG-2 Operating Manual Page 17 4.6 MISC Setup (Miscellaneous Setup) Backlight: Select manual or automatic backlight control. Use the rotary control in manual mode to adjust the backlight brightness. Allow 3 seconds for the display to adjust to the ambient lighting conditions when using the automatic backlight mode.
Blaze AHRS-2 / AHRS-4 / MAG-2 Operating Manual Page 18 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-2 if you only want a compass display as then all menus pertaining to the AHRS-2 will be hidden.
Blaze AHRS-2 / AHRS-4 / MAG-2 Operating Manual Page 19 7 Loading factory default settings Press and hold the F1/Up button and rotary control during power up to load the pre- programmed factory default settings. The following screen will be displayed: Factory default settings can also be loaded in the Miscellaneous setup menu.
Blaze AHRS-2 / AHRS-4 / MAG-2 Operating Manual Page 20 9 Specifications Operating Temperature Range -10ºC to 60ºC (14ºF to 140ºF) Storage Temperature Range -20ºC to 80ºC (-4ºF to 176ºF) Humidity <85% non-condensing 8 to 30Vdc SMPS (switch mode power supply) with built in 33V over volt-...
Blaze AHRS-2 / AHRS-4 / MAG-2 Operating Manual Page 21 12.1 Cable connections Main connector (D15HD connector: Unit Female, Cable Male) D15HD Pin Color Function 8-30Vdc power via power switch / circuit breaker and fuse. Black Ground RS232 Transmit data (Firmware upgrading)
IMPORTANT NOTICE: You must make your own determination if the products sold by MGL Avionics are safe and effective for your intended ap- plications. MGL Avionics makes no representations or warranties as to either the suitability of any of the products we sell as to your particular application or the compatibility of any of the products we sell with other products you may buy from us or anywhere else, and we disclaim any warranties or representations that may otherwise arise by law.
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Blaze AHRS-2 / AHRS-4 / MAG-2 Operating Manual Page 24 Other instruments in the Stratomaster Blaze series AHRS-2 Artificial Horizon and Magnetic Compass Indicator AHRS-4 Self contained Artificial Horizon and Magnetic Compass Indicator ALT-6 Altimeter and Vertical Speed Indicator (VSI) ALT-7 Altimeter and Vertical Speed Indicator (VSI) with a transponder compatible RS232 &...
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