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MGL Avionics 11-15989, Руководство по эксплуатации

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Vega ASI-4 Operating Manual

Page 9 

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.

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

Max Values 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.

7 ASI-4 Specifications

Operating Temperature Range

-10ºC to 60ºC (14ºF to 140ºF)

Storage Temperature Range

-20ºC to 80ºC (-4ºF to 176ºF)

Humidity

<85% non-condensing

Power Supply

8 to 30Vdc SMPS (switch mode power supply) with built in 33V over 
voltage and reverse voltage protection

Current Consumption

Approx. 73mA @ 13.8V (backlight highest setting), 33mA @13.8V 
(backlight lowest setting)

Display

1.8” 160x128 pixel active matrix TFT display.
1000 cd/m2
Sunlight readable with anti-glare coating
LED Backlight is user configurable

Alarm Output

Open collector transistor switch to ground
Maximum rating 0.5A

Dimensions

see Vega series dimensional drawing

Enclosure

2 1/4” ABS, black in color, front or rear mounting. Flame retardant.

Weight

Approx. 120 grams (Instrument excluding cables)

Non-volatile memory storage

100000 write cycles

Airspeed ADC resolution

12 bit

Airspeed range

16mph to 250mph

Airspeed resolution

1 mph

Measurement accuracy

+/-1% at 85mph nominal

Содержание 11-15989

Страница 1: ... 16mph to 250mph and is well suited to slower aircraft due to very good sensitivity and linearity at low air speeds 1 Features Large 1 8 high resolution 160x128 sunlight readable wide viewing angle 1000 cd m2 TFT LCD display Measures airspeed from 16mph to 250mph and is well suited to slow aircraft due to very good sensitivity and linearity at low air speeds Includes a flight timer since takeoff A...

Страница 2: ... the menu system Rotate anti clockwise for up down menu scrolling Rotate the rotary control during the normal display mode to view the Max Values display F1 Up Button Menu system Softkey button Normal Display Start Stop the flight timer Manual flight only 2 1 4 enclosure Can be front or rear mounted Airspeed unit Digital airspeed Airspeed tape Duration of flight since takeoff Vso Min safe speed la...

Страница 3: ...x values display is showing to reset the maximum values to the current airspeed 3 2 Start Stop flight display Press the F1 Up button during the normal display mode to manually start stop a flight This key is only active if the ASI 4 is setup to select the manual flight option under the TIMERS setup menu Note The maximum airspeed is stored in non volatile memory and is recalled on power up ...

Страница 4: ...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 The instrument will not save any changes if you remove power before exiting the menu system 4 2 ASI Setup Airspeed Setup ...

Страница 5: ...influences the rate at which your ASI can change its reading If you have an installation that suffers from strong turbulence at the pitot tube select slow If you have a very clean airflow in front of the pilot tube you can select fast which will give you a faster response to airspeed changes ASI Span Select the maximum airspeed that you want the airspeed tape to display This can give you increased...

Страница 6: ...ed to help cancel out under or over reading of the airspeed indicator on your aircraft The original calibration factor has been written onto the back of your instrument 4 3 Timers Setup FLIGHT Select whether you want the ASI 4 to automatically detect a flight or whether the pilot must press the F1 Up button to start stop a flight We recommend you select automatic flight detection T O AIRSPEED This...

Страница 7: ...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 the unit ...

Страница 8: ... menu displays the ADC value that have been read from the pressure sensor 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 The following screen will be displayed Factory default settings can also be loaded in the Miscellaneous setup menu ...

Страница 9: ...cations Operating Temperature Range 10ºC to 60ºC 14ºF to 140ºF Storage Temperature Range 20ºC to 80ºC 4ºF to 176ºF Humidity 85 non condensing Power Supply 8 to 30Vdc SMPS switch mode power supply with built in 33V over voltage and reverse voltage protection Current Consumption Approx 73mA 13 8V backlight highest setting 33mA 13 8V backlight lowest setting Display 1 8 160x128 pixel active matrix TF...

Страница 10: ...ive 10 seconds after the instrument has powered up 9 Firmware Upgrading The ASI 4 can be upgraded in the field by connecting the RS232 port to a PC and running the firmware update program Note that only the RS232 port can be used to upgrade the firmware Please see the Vega firmware upgrading document for more information 10 Cleaning The unit should not be cleaned with any abrasive substances The s...

Страница 11: ...n be obtained from a hardware store or even a pet shop Good quality tubing is often used for fish tanks and it has just the right diameter Please note that this kind of tubing is not advised for pressurized aircraft In this case you would need to obtain aircraft grade tubing of suitable diameter You would also have to use hose clamps to fasten the hose onto the ASI 4 pitot and static ports The ASI...

Страница 12: ...ing costs are for the account of the purchaser Damage as a result of applying excessive pressure to the pressure ports are excluded from warranty D15 Pin Color Function 1 Red 8 30Vdc power via power switch circuit breaker and fuse 2 Black Ground 3 RS232 Transmit data Firmware upgrading 4 RS232 Receive data Firmware upgrading 15 White Alarm Output Open collector Note Product warranty excludes damag...

Страница 13: ...tions 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 Also we offer no specific advice on how to install any of the products we sell other than passi...

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