Page 3
BFI57 / P/N BFI57-(xxx)-(xxx) Operation and Installation List of Changes Revision Date Change Description 1.00 04.10.2010 First Issue 1.01 24.11.2010 Power Consumption 1.02 26.11.2010 Correction Delivery 2.00 25.05.2011 Software 2.00, Cable Changed 2.01 01.04.2013 EC-Declaration of Conformity adjusted Change of company name to 3.00...
BFI57 / P/N BFI57-(xxx)-(xxx) Operation and Installation 1 INTRODUCTION This manual contains information about the physical, mechanical and electric qualities and the description of installation and operation of the basic flight instrument BFI57. 1.1 Symbols Vital information that if not followed may cause damage in the device or in other parts of equipment or may have a negative impact on the correct function of the device.
BFI57 / P/N BFI57-(xxx)-(xxx) Operation and Installation 1.3 Device Overview The BFI57 is a compact display unit presenting the basic flight informations in one single unit. Thanks to it’s integrated battery and sophisticated charge management, besides for minimum instrumentation it also can be used as aircraft-power independent backup-device for ultralights with glasscockpits.
BFI57 / P/N BFI57-(xxx)-(xxx) Operation and Installation Switch ON (press 1 sec, display may be somewhat delayed), Switch OFF (press long), Restart (press 10 seconds) Toggle between Normal and Setup mode Selection of three different display illuminations all white / no grey...
BFI57 / P/N BFI57-(xxx)-(xxx) Operation and Installation 2.3 Display After the splash screen the display changes into normal mode by default. Another Display Mode is the Setup Mode. Both modes can be accessed (toggled) with 2.3.1 Primary Flight Information Indicated Airspeed (IAS)
BFI57 / P/N BFI57-(xxx)-(xxx) Operation and Installation The indication of the GPS track relies on the availability of the GPS signal. In case there is no or bad availability the GPS track numerical value is replaced by “---“. When standing still (neither flying nor taxiing) no GPS track will be indicated.
Page 12
BFI57 / P/N BFI57-(xxx)-(xxx) Operation and Installation 2.3.2.1 Battery Indication The battery symbol reflects the charge state of the battery. In case the battery is not charging and the charge state is low, the battery symbol will be depicted in white instead of grey. If the charge state becomes...
Page 13
BFI57 / P/N BFI57-(xxx)-(xxx) Operation and Installation used; in case directly after being switched on this is the standard value 1013hPa / 29.92inHG. 2.3.2.3 Flight Time (in flight) (after landing) After pressing the flight time is indicated. During flight the duration airborne is indicated, after landing additionally the start and landing time are given (in UTC).
Page 14
BFI57 / P/N BFI57-(xxx)-(xxx) Operation and Installation 2.3.2.6 Position (Latitude and Longitude) After pressing again the GPS coordinates are shown. At first the Latitude will be displayed. Pressing once more shows the Longitude. The format in which the coordinates are given be configured to be either Degree°Minute’Second’’...
BFI57 / P/N BFI57-(xxx)-(xxx) Operation and Installation 2.4 Operation of QNH (Manually and Automatically) The QNH can be set using three methods: 1. Manually by entering values with short presses of 2. Manually set tot he standard value 1013 hPa / 29.92 inHG with al long press of 3.
Page 16
BFI57 / P/N BFI57-(xxx)-(xxx) Operation and Installation This is depicted in the following diagram: Start of the automatic QNH determination by long pressing device tries to determine QNH from GPS position GPS position OK No GPS reception shortly indi- cated...
Page 17
BFI57 / P/N BFI57-(xxx)-(xxx) Operation and Installation For cross-country flights the QNH can be handled as follows: 1013 MSL: traffic circuit (1) After being determine QNH automatically or automatically switched on / by a long press of before start (2) Crossing the...
BFI57 / P/N BFI57-(xxx)-(xxx) Operation and Installation 2.5 Settings In the settings menu several options regarding the indications on the screen in normal operation can be adjusted: - Activate the automatic QNH setting once each time when being turned on...
BFI57 / P/N BFI57-(xxx)-(xxx) Operation and Installation 2.5.2 Setting Options – Step by Step 2.5.2.1 Activate the Automatic QNH Setting Once each Time when being Turned On This option allows to define whether the device initiates one automatic QNH determination each time after being turned on, or not.
Page 20
BFI57 / P/N BFI57-(xxx)-(xxx) Operation and Installation no decimal digit, last two digits downsized one decimal digit, all digits same size 2.5.2.6 Large and Small Scale for Rate of Climb Tape Indication Depending on the selected unit the rate of climb maximum scale value (second marking) can be chosen to be ±...
BFI57 / P/N BFI57-(xxx)-(xxx) Operation and Installation 2.6 Battery Care Never store the device over extended periods with empty battery, as the resulting deep discharge would damage the battery permanently. Significantly discharge the battery at least three to four times a year, by running the device for at least 3 hours on battery (i.e.
For storage or return please use the original packaging. 3.2 Scope of Delivery Part Number Description BFI57 Basic Flight Instrument BFI57, incl. LiIon battery M4X8ZSW Mounting screw for panels with a thickness up to (4 pieces) 5 mm DA-1A03SMA...
• Power / RS-232 (NMEA output and maintenance) Pitot Static pressure pressure Power + RS-232 (D-Sub 9 Male) antenna (SMA) 3.5.1 GPS Antenna An SMA type socket provides the connection to the active (5V) GPS antenna that is supplied with the BFI57. Document-No.: 08.510.010.71e/ Revision: 3.10...
3.5.3 Power / RS-232 By a 9-pole D-Sub socket (male) the BFI57 is supplied with power. Additionally this D-SUB socket incorporates an RS-232 interface. This RS-232 interface is used for the output of flight information, as well as for maintenance (calibration and firmware updates).
(e.g. an Avionics Master) is absolutely mandatory. 3.6 Device Dimensions 3.6.1 Housing The BFI57 is designed to be installed in a cockpit panel with a standard 2 ¼ inch (57 mm) diameter cut-out. The device has the following dimensions: Width: 65 mm (2.56”)
BFI57 / P/N BFI57-(xxx)-(xxx) Operation and Installation 3.6.2 Installation Hints Connection area Fixing clips (spring locks) left / right Panel cut out The D-SUB-Connector hast to be clamped with both spring locks. It is recommended to additionally secure them with a cable tie.
BFI57 / P/N BFI57-(xxx)-(xxx) Operation and Installation 3.8 Device Configuration The device configuration comprises basic settings, which need to be done after installation prior the operational usage of the device, incl.: - Charging Behaviour (always or only during operation) - Borders of Coloured Areas within the IAS-Tape...
BFI57 / P/N BFI57-(xxx)-(xxx) Operation and Installation 3.8.2 Charging Behaviour Defines when the battery shall be charged. alw whenever power is available only when turned on 3.8.3 IAS Tape – Colour Markers The colour markers which correspond to the printed colour bands on the housing are defined by the lower border.
Page 29
BFI57 / P/N BFI57-(xxx)-(xxx) Operation and Installation The value of the lower limit is adjusted with the setting buttons The unit of this speed value is the same as the one configured for the indicated airspeed (IAS) km/h or kt.
The device shows when being in firmware update mode. 4. Start the transfer by pressing a key on the PC. 5. After end of the transfer restart the BFI57 again by pressing 10 seconds (this time without Document-No.: 08.510.010.71e/ Revision: 3.10...
BFI57 / P/N BFI57-(xxx)-(xxx) Operation and Installation 4 STORAGE AND DISPOSAL The BFI57 comes with a pre-installed LiIon battery. In order to avoid a total discharge in case of disuse the device should to be charged every 3 months. For an optimum number of charging cycles the LiIon battery should be...
This device is produced in line with european -Conformity standards and satisfies the given safety criterias. The BFI57 is factory-provided with a LiIon battery, which in case of defect must be recycled separately and in a professional manner! Document-No.: 08.510.010.71e/ Revision: 3.10...
GPS receiver (i.e. 4–5Hz): $GPRMC $GPGGA 5.2.3 BFI57-specific Output Messages The following proprietary messages are generated by the BFI57. They are inserted between the GPS messages. Indicated Airspeed This information will be sent with about 5 Hz rate. $PFA,IAS,vv.v,u*hh fixed string, identifying indicated airspeed message vv.v...
Page 34
BFI57 / P/N BFI57-(xxx)-(xxx) Operation and Installation Barometric Altitude This information will be sent with about 5 Hz rate. $PFA,ALT,aaaaa,u,qqqq,v,m*hh fixed string, identifying barometric altitude message aaaaa altitude in the unit specified as follows, integer value Unit in which altitude is indicated, F=ft, M=m...
Page 35
BFI57 / P/N BFI57-(xxx)-(xxx) Operation and Installation Flight Status This information will be sent with about 1 Hz rate. Change in flight state may be delayed up to 10 seconds. The takeoff and landing time, however, are then reported taking the delay into account (indicating events a few second ago, and therefore not being in-line with the GPS time stamps).