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Vl100
graviter
rev 1.09

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Summary of Contents for Digifly VI100

  • Page 1 Vl100 graviter rev 1.09...
  • Page 2 - damage is caused by accidents including but not limited to lightning, water or fire, misuse or neglect. In case your Digifly product is not working correctly or is defective, please contact your Digifly dealer. In order to avoid unnecessary inconvenience, we advise you to read the operating instructions carefully before contacting your dealer.
  • Page 3: Table Of Contents

    Congratulations on your purchase Digifly thanks you for your preference. The instrument you have purchased is a high technology box designed expressly for free flight. The multiple functions and the opportunities it provides, makes this effectively an on board computer. Learning to use the various...
  • Page 4 ..............3.3.4 Net Vario Pag.12 ............... 3.3.5 Acoustic Vario Pag.12 ........3.3.6 Total Energy compensation ... Pag.13 ..............3.4 Anemometer Pag.13 ……..........3.5 Glide ratio (Efficiency) Pag.13 ……............3.6 Polar ....Pag.14 ................ 3.7 McCready .. Pag.14 ..............
  • Page 5 Graviter: Presentation In the quick guide you can see the front of the Graviter with the main functions shown, this will help you to learn the instrument quickly and easily, being able to see the various indications on the display as they are selected. Parameter table (setup menu) The following is a list of parameters that can be setup.
  • Page 6 Introduction Before we go on to describe the Graviter, we need to make something clear. This instrument, as you will have already seen, is full of different functions. These functions have varying levels of complexity, For this reason, we suggest you learn to use it progressively, so as to get the best out of it.
  • Page 7: Normal Long Key Pressure

    Graviter logo appears, you will see a set of 8 characters that can be customized with your name. You can insert your name from a PC with the VLTools software that you can download from our website www.digifly.com. To switch the Graviter off, for at least 5 seconds.
  • Page 8 (2 hangliders and 1 paraglider), To see the three default polars and calculate your own, use the Digifly software. Obviously the most effective of a series of any functions depends on the type of polar selected. We suggest therefore, that you insert a customized polar which best reflects the real performance of your aircraft.
  • Page 9 Now we come to part where you can customize a few parameters so suit your personal requirements. To change a parameter, follow the instructions as explained in the setup paragraph earlier. - STALL WARNING (parameter 6 stal): this is the speed at which the stall warning will activate.
  • Page 10 value will start to flash, to change the value press to choose a value to memorize the value. between 1 and 10, and press - SPEED TO FLY SETTING (parameter 18/19 stf 1/2) changing this setting affects the STF function shown by the double arrows on the display. Changing this value tells the instrument what value the double arrows have in km/h.
  • Page 11 - WAYPOINT HEIGHT, this is the height of the waypoint: this is given (in mt x10), from the same name of the wp setup in the GPS route (eg MIL157 = waypoint MIL with height 1570mt). If you don’t set this value up in the GPS, the default value is used from parameter 38 qnhw.
  • Page 12: Heading

    3. Instrumentation 3.1 Heading At the center of the display is a circular indicator showing the heading by an arrow on the outside and one on the inside. The outer arrow has three functions, Magnetic compass, magnetic ADF and GPS ADF. To change this setting, go to the 33 kcom parameter and press choose the desired value with land press...
  • Page 13: Gps Adf

    display. The outer arrow gives you the direction to follow. 3.1.4 GPS ADF To use this function you must connect the Vl100 to a GPS and have them both swtiched on. This function is similar to the previous one but the direction to follow is not setup by the pilot but transmitted directly by the GPS.
  • Page 14: Variometer

    Variometers 3.3.1 Intellivario This is a revolutionary system designed by Digifly based on the use of a sophisticated digital electronic circuit. This gives a very sensitive vario (adjustable through the n.4 svar parameter) and is immune to interference. All the variometric indications are subject to this filter.
  • Page 15: Anemometer

    This indicates the wind speed. To use this function, obviously, you have to have the wind probe connected (please, use only the wind probes approved by Digifly). The anemometer is displayed by the 3rd numeric indicator on the top of the screen when you see symbol ias.
  • Page 16: Polar

    when you see the symbol effic. Press to switch between effic/goto. To change this parameter, you go to the submenu and press , choose parameter n.21 and press . The value starts to flash. . The to change the value shown in seconds from 1 to 30 and press default value is 3.
  • Page 17: Ground Speed

    Observing the diagram, you can detect different values of STF related to different air conditions. The X-axis shows horizontal speed, the Y-axis shows sink rate; in a front wind or sink conditions, the best glide speed increases. In order to find the optimum STF in sink, you simply add the sink of the air to the polar of your aircraft, drawing a new polar and a new tangent line from the initial point of axes.
  • Page 18: Required Glide

    3.10 Required glide This is the value we see when we have the GPS connected and a waypoint set up. If this is the case, we can see the required glide value in the fifth numeric element on the display (E--.-), shown with one decimal place. This is the optimum glide value needed to arrive at the waypoint.
  • Page 19: Pag.17

    in the setup submenu (in tens of meters or tens of feet. For a description of how to set this parameter, see the paragraph describing the instrument setup. Height By Distance On Waypoint This is an additional height by distance parameter used to increase the glide safety level (param.
  • Page 20: Pag.18

    3.15 Voltmeter batteries To select on the multifunction display the charge of the batteries press the keys, the value is represented by the writing “ ”, that means a charge of 2,8 V 2.8 Volt. N.B. The VL100 cuts out when its charge is below 1,9 Volt. The charg e of batteries is continually checked thanks to a number on multifunction display (if not use gps/goto), displayed in percentage from 0 to 90...
  • Page 21 flash - the recording sample frequency, if the logger is on, switches automatically to the 1 sec. rate - the multifunction display shows (in real time) the distance to the waypoint in meters, this is selectable for waypoint by short-pressing the , on the waypoint name and on the UTC time.
  • Page 22: Pag.20

    - the recording sample frequency, if the logger is on, return to the pre-set value by setup. - the multifunction display retunr to show the instrument active before entring in “NEAR” zone, giving back available all 6 possible indications. Step 5 - END Vl100 waits until 1000 meters away from waypoint centre before accept from the GPS a new waypoint (see Step 1).
  • Page 23: Pag.21

    Step 3 - START PYLON NAVIGATION - switch on the direction indicator arrows - the hang glider in the middle of the display starts to flash - the multifunction display switches automatically to the “start pylon waypoint navigation” mode and shows the distance to the current destination in meters (range 0–9999 m) alternate to a UTC time.
  • Page 24 menu, and press suntil you see the NAV submenu. Press , and the parameter list will appear, press to select 1 SPMO. Press , and the symbol on the top right of display will start to flash. Press to select the desired value, (da 0 a 3), and press to memorize.
  • Page 25 Start Pylon type SP2 (SPMO = 2) – Start Pylon with external cylinder validation The GPS must give the first waypoint to the VL100. The VL100 then manages the navigation to reach and validate this waypoint with standard FAI cylinder rules and then will guide the pilot to exit from the Start Pylon radius referred to the same waypoint.
  • Page 26: Pag.24

    do this before take off switch on VL100 and check the start in NAV submenu for SPRA and SPMO make sure that VL100 doesn’t have any waypoint kept in memory (waypoint name memory = NOWP), on the contrary it must be cancelled (see waypoint cancellation) activate the route with the relevant task in the GPS wait for the lighting of the VL100 direction indicator’s arrows...
  • Page 27: Pag.25

    If during the approach to a waypoint, the GPS changes erroneously to the next waypoint without the validation by Vl100, the following procedure is activated: -it appears on the multifunction display the sliding message ERR GPS SKIPPED ” . -VL100, to make up for this error, is still calculating the data for the navigation to the previous waypoint not validated, indicating the correct direction and distance -the ADF direction indicator flashes to signal that the navigation calculated by...
  • Page 28: Pag.26

    4.4 Navigation cancellation It is possible, at any time to cancel the calculation and the displays to reach the current waypoint. To cancel navigation to the current waypoint select on the multifunction display the waypoint name (by short pressing the key until the waypoint identification appears) then a long pressing the key cancels the navigation, an acoustic signal...
  • Page 29: Pag.27

    instrument off and on again for a consecutive recording with autostart. To cancel all the recordings (flights): go to the peak submenu (without enter in it), press and hold pressed the key until hearing a triple sound. 6.2 Peak recorder In order to display a flight, select the peak submenu: from the multifunction display, use a long pressure on key to enter in the menu, then thanks...
  • Page 30: Pag.28

    6.4 Data logger transmission (download flights) To download the data of flight into PC, we need connecting cable (PC-Cable or FlashPro 100), software for DOS or Windows (see it in: www.digifly.com) and PC with serial gate Rs232. If your PC hasn’t this connection, you can use a “USB to Rs232 cable”...
  • Page 31: Pag.29

    7 Upgrade firmware The software of Vl100 (firmware) can be update with new functions and improvements. You can do it by internet, with connecting cable FlashPro 100 (optional). 8 Technical Characteristics Integrated electronic compass (resolution = 1; max. error = 10°) Automatic direction finder ADF magnetic, ADF GPS GPS connection GPS glide calculator...
  • Page 32 Quick Guide Mag Compass ( circle on ) McCready Altimeters Mag ADF ( blinking on ) A1, A2, A3 GPS ADF ( circle off ) Speed to fly Start Pilon indicator -> ( all directions turned on ) Integr./ Net Vert.

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