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Introduction

The ASV-2 is a 3 1/8” sunlight readable encoding altimeter, airspeed and wide range vertical speed indicator.

The altimeter contains an internal high accuracy 24 bit digital altitude sensor which calculates altitude from -1000 ft up to
a maximum of 35000 ft. The ASV-2 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.

Airspeed is based on the pressure generated by a pitot tube system and a static port is provided as well for use by high
speed aircraft. The ASV-2 instrument measures airspeed from 16mph to 250mph and is well suited to slower aircraft due
to  very  good  sensitivity  and  linearity  at  low  air  speeds.  Airspeed  can   be  indicated  in  statute   miles per  hour (mph),
kilometers per hour (km/h) or nautical miles  per hour  (kts).  The  ASV-2 also provides a programmable  Vs and  Vne
airspeed alarm output. ASI sensitivity can be calibrated by the user to cater for errors caused by pitot tube placement.
 
In addition, the ASV-2 provides an encoder test function, flight timer since takeoff and records the maximum airspeed
reached. The ASV-2 provides a parallel Gillham code interface when used in conjunction with the MGL Avionics CNV-
ALT.

Blaze ASV-2

Altimeter, Airspeed (ASI) and Vertical 
Speed Indicator (VSI)

Operating Manual – English 1.00

Содержание Blaze ASV-2

Страница 1: ...the aircraft Airspeed is based on the pressure generated by a pitot tube system and a static port is provided as well for use by high speed aircraft The ASV 2 instrument measures airspeed from 16mph...

Страница 2: ...ange 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 Measures airspeed from 16mph to 250mph and is well suited to slow aircraft d...

Страница 3: ...ng 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 mode to adjust the local pressure Local pre...

Страница 4: ...ERS setup menu 3 2 Timers display This display can be accessed by pressing the F2 Down button during the normal display mode 3 3 Maximum Airspeed display This display can be accessed by pressing the F...

Страница 5: ...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 b...

Страница 6: ...col 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 automatic...

Страница 7: ...a CNV ALT converter The ASV 2 will resume the normal output of the indicated altitude upon exiting the test function The following codes are outputted Altitude D4 A1 A2 A4 B1 B2 B4 C1 C2 C4 1000ft 0 0...

Страница 8: ...strument perform a calibration flight This should be done in very calm conditions Turbulence and thermal activity will make accurate calibration impossible Many areas have ideal conditions during earl...

Страница 9: ...r related electronics When this function is performed make sure that there is no air flow into the pitot tube as this would result in an incorrect internal calibration ASI Unit Select if you want the...

Страница 10: ...rm This enables or disables Vs Alarm Vne Alarm This enables or disables the VNE alarm Cal During the factory calibration a factor has been determined and entered here that will give you accurate airsp...

Страница 11: ...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 menu option is only shown if the DETECT fl...

Страница 12: ...mode The display will set the backlight to the dim setting if the ambient light is less then the threshold setting alternatively the display will set the backlight to the bright setting if the ambien...

Страница 13: ...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 programm...

Страница 14: ...when power is applied to the instrument If the program is corrupt in any way then the internal flash CRC error will be displayed Reload the instruments firmware and load default settings If the error...

Страница 15: ...n volatile memory storage 100000 write cycles Altimeter range 1000ft to 35 000ft 304m to 10668m Altitude units ft or m Pressure units InHG or mB VSI range 20ft min to 10000ft min VSI units ft min or m...

Страница 16: ...ild up of a pressure differential due to ram air or suction can lead to large errors of the indicated airspeed and altitude Static ports are usually mounted at a strategic position on the rear side of...

Страница 17: ...damp cloth D15 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 Altitude output 4 RS232...

Страница 18: ...and carry a valid and 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 circumst...

Страница 19: ...or VSI EMS 2 Engine Monitoring System FF 5 Fuel Computer FLIGHT 3 Primary Flight Instrument INFO 2 Information Display G Force meter UTC and Local Time Slip Indicator Outside Air Temperature OAT Batte...

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