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Introduction
The ALT-7 is a 3 1/8" (80mm) sunlight readable encoding altimeter and a wide range vertical speed indicator.
The altimeter contains an internal high accuracy 24 bit digital altitude sensor which calculates altitude from -1500 ft up to
a maximum of +35000 ft. The ALT-7 outputs various formatted RS232 serial data protocols compatible with serial input
transponders such as that from Garmin, Magellan, Northstar, Trimble, Microair etc. The altimeter can display altitude in
feet or meters and local pressure can be set in millibars or inches of mercury.
The VSI indicator can be displayed in either feet/minute (ft/min) or meters/second (m/s). The VSI can be calibrated by the
user once the instrument has been installed in the aircraft.
The ALT-7 also provides a transponder compatible Serial RS232 and parallel Gillham code output and also features a
user settable altitude bug and an encoder test function.
1 Features
•
Large 2.6" high resolution 320x240, IPS (fully viewable in all directions), sunlight readable color LCD
display
•
An internal high accuracy 24 bit digital altitude sensor calculates altitude from –1500 ft up to a maximum
of +35000 ft (-457m to +10668m)
•
The ALT-7 outputs various formatted RS232 serial data protocols compatible with serial input
transponders such as that from Garmin, Magellan, Northstar, Trimble, Microair etc.
•
Provides a parallel Gillham code output for transponders
•
Built in encoder test function
•
The altimeter can display altitude in feet or meters
•
Local pressure can be set in millibars or inches of mercury
•
Contains a wide range VSI indicator from +/-20 ft/min to as high as +/-10000 ft/min
•
VSI units can be in feet/minute (ft/min) or in meters/second (m/s)
•
User settable altitude bug with deviation band / level alarm
•
Standard 3 1/8" (80mm) aircraft enclosure (can be front or rear mounted)
•
The LED backlight can automatically adjust to the ambient light, or it can be manually adjusted in the
menu system
•
Rotary control plus 2 independent buttons for easy menu navigation and user input
•
Wide input supply voltage range of 8 to 30V DC
•
1 year limited warranty
Blaze ALT-7
Altimeter and Vertical Speed Indicator
with a transponder compatible serial
RS232 & parallel Gillham code output
Operating Manual – English 1.07
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Table of Contents
Related Manuals for MGL Avionics Blaze ALT-7
Summary of Contents for MGL Avionics Blaze ALT-7
- Page 1 Blaze ALT-7 Altimeter and Vertical Speed Indicator with a transponder compatible serial RS232 & parallel Gillham code output Operating Manual – English 1.07 Introduction The ALT-7 is a 3 1/8” (80mm) sunlight readable encoding altimeter and a wide range vertical speed indicator.
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Page 2: Main Displays
Blaze ALT-7 Operating Manual Page 2 2 Layout Ambient light sensor 3 1/8” (80mm) enclosure. Can be front or rear mounted Sunlight readable color graphic display: The backlight can automatically adjust to the ambient light or it can be manually... -
Page 3: Altitude Bug
Blaze ALT-7 Operating Manual Page 3 3.2 Altitude "CLASSIC" Display Altitude Value Altitude unit VSI scale indication VSI (Vertical Speed Indication) VSI Value VSI unit Local pressure readout (Either in mB or in “HG) 3.3 Altitude Bug Press the F2/Down button during the altitude “TAPE” display to access the altitude bug setting screen. Press the F1/UP key to set the altitude bug to the current altitude or use the rotary control to adjust the altitude bug. -
Page 4: Exiting The Menu System
Blaze ALT-7 Operating Manual Page 4 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” soft key is shown. All changes made during navigation of the menu system will be saved in non-volatile memory upon exiting. - Page 5 Blaze ALT-7 Operating Manual Page 5 4.2 ALT Setup (Altitude Setup) Style: Select the altitude display screen. Options include “TAPE” or “CLASSIC”. Altitude Unit: Select if you want the altitude displayed in ft (feet) or m (meters). Pressure Unit: Select if you want the local pressure displayed in mb (millibars) or “Hg (inches of mercury).
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Page 6: Cal Factor
Select the protocol of the serial RS232 output message. The protocol can be selected between GARMIN AT, Magellan, Northstar / Garmin, Trimble / Garmin, MGL Avionics and Microair UAV. Please note that the baud rate is automatically adjusted according to which protocol is selected. The output format is as follows. The message contains the current pressure altitude with a fixed reference to 1013.25mB (29.92 inches mercury). - Page 7 Blaze ALT-7 Operating Manual Page 7 Garmin zero padded, carriage return GTX327, GTX328, GTX330 (Set on Icarus) MGL Avionics 9600 ALT, +/-, five altitude digits right justified ALT+02372C+02372L1013+0000XCA[ zero padded ,1013.25mB (29.92”Hg) referenced, C, +/-, five altitude digits right justified zero padded (corrected to local...
- Page 8 Blaze ALT-7 Operating Manual Page 8 Test Alt Encoder: This is a handy function to test the ALT-7 transponder interface once the installation has been completed. The serial output will output specific altitudes which can then can be used to test the serial RS232 output and the parallel gillham output.
- Page 9 Blaze ALT-7 Operating Manual Page 9 4.3 VSI Setup (Vertical Speed Indicator Setup) VSI Display: Select if you want the VSI display to be shown on the altitude “TAPE” display. The VSI display is always shown on the altitude “CLASSIC” display.
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Page 10: Security Setup
Blaze ALT-7 Operating Manual Page 10 4.4 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. -
Page 11: Loading Factory Default Settings
Blaze ALT-7 Operating Manual Page 11 Information: This menu option displays information about the unit. Default Settings: Select this menu option to reset all the settings to factory defaults. 5 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. -
Page 12: Error Messages
Blaze ALT-7 Operating Manual Page 12 6 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 factory. -
Page 13: Specifications
Blaze ALT-7 Operating Manual Page 13 7 Specifications Operating Temperature Range -10ºC to +55ºC (14ºF to 131ºF) Storage Temperature Range -20ºC to 80ºC (-4ºF to 176ºF) Humidity <85% non-condensing Power Supply 10 to 30Vdc Approx. 125mA @ 12V (backlight highest setting), 45mA @12V (backlight... -
Page 14: Installation
Blaze ALT-7 Operating Manual Page 14 10 Installation Connect the static port to a suitable static air pressure line. If you have a slow aircraft or an aircraft were the internal cabin pressure does not change during flight and is equivalent to the outside air pressure you may find that it is not required to connect a static port. - Page 15 Blaze ALT-7 Operating Manual Page 15 Pinouts for various transponders The ALT-7 has a parallel output Gillham interface that can be directly connected to various parallel input transponders such as those from Garmin, Becker, King, Microair, etc. The output data contains the current pressure altitude with a fixed reference to 1013.25mB (29.92 inches mercury).
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Page 16: Connection Diagram
Blaze ALT-7 Operating Manual Page 16 10.2 Connection Diagram The use of an external 1A fuse is recommended. Connect the supply terminals to your aircrafts power supply. The ALT-7 can be used on both 12V and 24V without the use of any pre-regulators. Ensure that the supply voltage will not drop... -
Page 17: Cable Connections
Blaze ALT-7 Operating Manual Page 17 10.3 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. White/Blue RS232 Transmit data (Firmware upgrading /... - Page 18 Blaze ALT-7 Operating Manual Page 18 11 Dimensions...
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Page 19: Warranty
IMPORTANT NOTICE: You must make your own determination if the products sold by MGL Avionics are safe and effective for your intended applications. 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. - Page 20 Blaze ALT-7 Operating Manual Page 20 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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