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Introduction

The ALT-5 is a 2 1/4” (57mm) 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-5 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-5 also features a user settable altitude bug and an encoder test function. The ALT-5 provides a parallel Gillham
code interface when used in conjunction with the MGL Avionics CNV-ALT.

1 Features

Large 1.8” high resolution 160x128, wide viewing angle, sunlight readable, 1000 cd/m2 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-5 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  interface   for  transponders   when  used  in combination  with  the   MGL

Avionics CNV-ALT

• 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
• Standard 2 1/4” (57mm) aircraft enclosure (can be front or rear mounted)
• 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

Vega ALT-5

Altimeter and Vertical Speed Indicator 
with a transponder compatible serial 
RS232 output

Operating Manual – English 1.06

Содержание ALT-5

Страница 1: ...160x128 wide viewing angle sunlight readable 1000 cd m2 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...

Страница 2: ...nter Button Press the rotary control during the normal display screens to access the menu system Rotate anti clockwise for up down menu scrolling Rotate the rotary control during the normal display mo...

Страница 3: ...e altitude bug Press the F2 Down key to change the increment decrement unit to 50 or 500 Press the rotary control to exit and save Press the F1 Up button during the normal altitude TAPE display to ena...

Страница 4: ...ry 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...

Страница 5: ...e This section allows for the calibration and fine tweaking of the altitude value Before you begin ensure that your calibrated and certified reference is set to the local pressure of 1013 25mB 29 92 H...

Страница 6: ...then a CNV ALT can be purchased from your MGL Avionics distributor to convert the RS232 output to a parallel Gillham output Prot Select the protocol of the serial RS232 output message The protocol can...

Страница 7: ...teq protocol format below STX 0x02 ETX 0x03 CR 0x0D Infiniteq protocol format STX Address Message type Length Data payload Checksum ETX STX Start of text 0x02 Address unsigned char 8bit 0x01 Message T...

Страница 8: ...2 C4 1000ft 0 0 0 0 0 0 0 0 1 0 900ft 0 0 0 0 0 0 0 1 1 0 700ft 0 0 0 0 0 0 1 1 0 0 400ft 0 0 0 0 0 0 1 0 1 1 200ft 0 0 0 0 0 1 1 0 0 1 800ft 0 0 0 0 1 1 0 0 0 1 2800ft 0 0 0 1 1 0 0 0 0 1 6800ft 0 0...

Страница 9: ...libration method After you have installed the instrument perform a calibration flight This should be done in very calm conditions Turbulence and thermal activity will make accurate calibration impossi...

Страница 10: ...etup 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 me...

Страница 11: ...ument will then have to be returned to the factory Calibration constants CRC error The instrument could possibly have a non volatile memory failure in which case the instrument will then have to be re...

Страница 12: ...ge 1500ft to 35000ft 457m to 10668m Altitude units ft or m Baro Correction Range inHg 28 00 to 31 00 Hg Baro Correction Range mB 946 to 1050 mb Pressure units Hg or mb VSI range 20ft min to 10000ft mi...

Страница 13: ...air or suction effects This may lead to a false indication of altitude Often these effects are dependent on the current angle of attack of the airflow around your pod You will need to install a suitab...

Страница 14: ...tor Unit Female Cable Male D15HD Pin Color Function 1 Red 8 30Vdc power via power switch circuit breaker and fuse 2 Black Ground 3 White Blue Stripe RS232 Transmit data Firmware upgrading RS232 Altitu...

Страница 15: ...Vega ALT 5 Operating Manual Page 15 11 Dimensions...

Страница 16: ...d relevant pilot s license This person has to make themselves familiar with the operation of this instrument and the effect of any possible failure or malfunction Under no circumstances does the manuf...

Страница 17: ...cator VSI ASV 1HS Altimeter Airspeed ASI High Speed and Vertical Speed Indicator VSI EMS 1 Engine Monitoring System FF 4 Fuel Computer INFO 1 Information Display G Force meter UTC and Local Time Slip...

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