V7 Version 3.01 October 2013 V7 Digital speed to fly variometer and final glide calculator Version 3.01 LXNAV d.o.o. • Kidričeva 24a, 3000 Celje, Slovenia • tel +386 592 33 400 fax +386 599 33 522 info@lxnav.com • www.lxnav.
V7 Version 3.01 1 Important Notices 1.1 2 3 October 2013 4 Limited Warranty 4 Packing Lists Basics 5 6 3.1 LXNAV V7 at a Glance 3.1.1 LXNAV V7 Features 3.1.2 Interfaces 3.1.3 Options 3.1.3.1 External Options 3.1.4 Technical Data 4 6 6 7 7 7 7 System Description 8 4.1.1 Push Button 4.1.1.1 Power Button 4.2 Rotary Switch 4.3 Switching on the Unit 4.4 User Input 4.4.1 Text Edit Control 4.4.2 “Spin” Control 4.4.3 Selection Control 4.4.4 Checkbox and Checkbox List 4.4.5 Slider selector 4.
V7 Version 3.01 6 October 2013 5.3.4.15 Temperature Offset 5.3.4.16 Inertial assisted vario 5.3.5 Sounds 5.3.5.1 Sounds settings 5.3.5.2 Equalization 5.3.6 Units 5.3.7 Display 5.3.8 Communication 5.3.8.1 Bluetooth on PDA port 5.3.9 Polar and Glider 5.3.10 Flarm 5.3.11 Password 5.3.12 Reset of accelerometer (g-meter) 5.3.13 About 21 21 21 22 24 25 26 27 27 29 30 30 31 31 Variometer and Altimeter 32 Altimeter 6.1 Speed Command 7 32 32 Flying with the LXNAV V7 33 7.1 On the Ground 7.1.
V7 Version 3.01 1 October 2013 Important Notices The LXNAV V7 system is designed for VFR use only as an aid to prudent navigation. All information is presented for reference only. Terrain, airports and airspace data are provided only as an aid to situation awareness. Information in this document is subject to change without notice.
V7 Version 3.
V7 Version 3.01 3 October 2013 Basics 3.1 LXNAV V7 at a Glance LXNAV V7 is standalone digital vario meter and final glide calculator with GPS and PDA/PNA inputs/outputs. The unit has standard dimensions to fit into a glider panel - 57 mm diameter (2¼"). It is also able to supply PDA/PNA with power (5VDC/1A). The unit has integrated high precision digital pressure sensors, which are sampled more than 100 times per second.
V7 Version 3.01 • • • • 3.1.2 • • • • October 2013 Speed to fly indication. TE compensation can be selected to be either pneumatic TE probe or electronic TE. Multilanguage user interface Audio equalizer, for better vario sound performance Interfaces GPS port input/output on RS232 level (Standard IGC RJ11 connector) PDA port input/output on RS232 or LV-TTL (3.3V) level for PNA devices (RJ45 connector) Audio port (Standard 3mm phono jack) 1Mbit CAN bus for extension to V7D repeater 3.1.3 Options 3.1.
V7 Version 3.01 4 October 2013 System Description 4.1.1 Push Button The Rotary switch also has a push button function. LXNAV V7 can detect short or long press of push button, in most cases short press confirms action, long press cancels action or exits from the menu Short press means just a click, long press means pushing button for more than one second. 4.1.1.1 Power Button The system is powered up using push button. A long press system will turn the V7 off. 4.
V7 Version 3.01 October 2013 4.3 Switching on the Unit A short press of the button with turn on the V7. The first LXNAV welcome screen will appear with some system information (Device name, Version, Serial number...) V7D cannot be powered up if V7 is not already powered up. When the boot procedure is completed, setup elevation dialogue is shown. By default setting Set Elevation page is disabled. It can be enabled in Setup QNH&RES menu. Push button also has power ON and OFF functions. 4.
V7 Version 3.01 4.4.1 October 2013 Text Edit Control The Text Editor is used to input an alphanumeric string; the picture below shows typical options when editing text. Use the knob to change the value at the current cursor position. Push button will move cursor right. Holding push button and rotationg knob, will move cursor left or right. At last character position, push button will confirm edited value, long press will cancel editing and exit that control. 4.4.
V7 Version 3.01 4.4.5 October 2013 Slider selector Some values like volume and brightness are displayed as a slider With push button you can activate slider control, then with rotation of the knob you can select the preferred value and confirm it with the push button. 4.5 Switching off By pressing the push button for app. 5 seconds, LXNAV V7 will turn off. Same procedure is for V7D, if V7D is on and we are attempting to switch off V7, V7D will also switch off.
V7 Version 3.01 5 October 2013 Operating Modes LXNAV V7 has three operating modes. A pilot has access to all of them using rotary knob and push button. The diagram below shows the mode structure of the LXNAV V7. • • • Main screen, all navigation and flight parameters defined by pilot Quick access, MacCready, Ballast, Bugs, Distance (in manual navigation without GPS) and Wind component (in manual navigation). Settings, setup of the whole system 5.
V7 Version 3.01 October 2013 Mechanical needle displays vario, netto, relative or speed to fly value. It can be setup scale can be chosen (when ordered) in the range of -5 to 5 or from -10 to 10. Within the software the range can be set to 2.5, 5, 10m/s or 5, 10, 20kts or 500, 1000, 2000fpm. Upper number can be configured as average vario, time, flight time, task remaining time, netto value, outside temperature or thermal average, steering course.
V7 Version 3.01 October 2013 The picture above indicates a direct link. This happens automatically when PDA send a request for direct communication with flight recorder. See tutorial on: http://youtu.be/nMZI7cJ_qjQ 5.2 Quick access menu A short press of the push button activates the quick access menus. If “use navigation” is checked, only three Mc, Bugs and Bal are available. If “use navigation” is disabled two additional settings are available (Wind component distance).
V7 Version 3.01 October 2013 5.3 Settings Mode In the setup menu users can configure the LXNAV V7. Turn the knob to select the appropriate setup item. Press the PUSH button to enter a menu. A dialogue or sub-menu will open. 5.3.1 Navigate In this menu navigation settings can be configured. If Navigate to home is enabled, LXNAV V7 will navigate back to the takeoff point. This position has been stored in memory just before takeoff but only if GPS OK status is showing.
V7 Version 3.01 October 2013 Use GPS data, enables the V 7 to receive GPS data on GPS port. If Use GPS data is disabled manual navigation will be active, in that case GPS icon on main screen will not be displayed. It means that pilot must manually enter distance and wind component (See Chapter 5.2). If GPS is transmitting RMB sentences, LXNAV V7 will automatically calculate final glide to that point. On picture below LXNAV V7 navigates to waypoint “Line 11”. Be sure that you set correct target elevation.
V7 Version 3.01 5.3.3 October 2013 QNH and RES Turn the knob to select the required entry field. Press the PUSH button and start editing the value. 5.3.3.1 QNH This feature may be used to offset the altitude datum as the result of pressure changes during the flight. Since changing the QNH influences the indicated altitude, care should be taken when changing the value as an incorrect setting could upset the final glide calculation. 5.3.3.
V7 Version 3.01 5.3.
V7 Version 3.01 October 2013 5.3.4.1 Vario needle filter Sets a time constant of the vario needle. The value can be adjusted between 0.1 and 5 s with step 1.0 s or 0.1 s. Default value is 1.5 s. 5.3.4.2 Vario sound filter Sets a time constant of vario sound. The value can be adjusted between 0.1 and 5 s with step 1.0 s or 0.1 s. Default value is 1.5 s. 5.3.4.3 Netto filter Sets a time constant of the Vario Netto needle. The value can be adjusted between 0.1 and 5 s with step 1.0 s or 0.1 s.
V7 Version 3.01 • • October 2013 TAS: When the TAS exceeds a pre-set value. The TAS at which switching occurs can be selected in 5 km/h steps from 100 up to 160 km/h (or the equivalent in knots or mph). G-meter – for switching between cruise and climb mode will be used inertial system. When glider will start circling, V7 will automatically switch from cruise to climb mode. The external switch wired to the LXNAV V7 has absolute priority and will override all other switching methods. 5.3.4.
V7 Version 3.01 October 2013 If the electronic TE option has been installed TE compensation should be set to 100%. The electronic TE compensation can be fine-tuned during flight using the following procedure: it is essential that this is only done in smooth air; it is not possible to tune the TE accurately in turbulent air. Set TE compensation to 100%. Accelerate up to approximately 160 km/h (75 kts) and keep the speed stable for a few seconds. Gently reduce the speed to 80 km/h (45 kts).
V7 Version 3.01 October 2013 5.3.5.1 Sounds settings In the Sounds settings menu audio settings for the LXNAV V7 and alarms settings can be modified. Vario Volume The sounds slider changes the audio volume.
V7 Version 3.01 October 2013 Volume can be also adjusted directly with rotary knob in main menu. Vario waveform In this setting user can change the form of audio signal. There are three oprions: Pure sine shape of signal, triangular or harmonic (sum of more Sine waves). Vario Audio mode Vario audio mode has the following options: • Linear positive: sound is interrupted with silence every few milliseconds when the needle is positive; on negative side sound is linear (not interrupted).
V7 Version 3.01 October 2013 Flarm warnings In this • • • • menu low level/important/urgent Flarm alarm types can be set. We have four options: Disabled Flarm Beep Short voice message (traffic 2’o clock) Long voice message (Warning, traffic, 2'o clock, 3 kilometers, 200 meters below) Beeps requested from PDA PDA is able to send beep command to V7, if that feature is enabled, V7 will beep on PDA request.
V7 Version 3.01 5.3.6 October 2013 Units Use this menu to specify units, UTC time offset and type of ballast input.ž • • • Load, which is entered in kg/m2 or lb/ft2. Weight of water ballast, which is entered in kg or lb . If this option is used the weights of the glider and pilot must be entered. Refer to Chapters 5.3.9 for more details of how to enter glider and pilot weights. Ballast can be displayed as Overload factor or Wing Load or just weight of ballast.
V7 Version 3.01 5.3.7 October 2013 Display The display menu controls screen brightness. • • • • • • • Use Brightness control to adjust intensity of the LCD backlight. Mechanical needle, which can indicate vertical speed, speed to fly value, netto vertical speed, or Relative vertical speed in vario or SC mode. Upper and Lower Numeric Display: The parameter displayed can be configured separately for Vario mode and SC mode.
V7 Version 3.01 o o o 5.3.8 October 2013 OFF bar is not displayed MinMax shows minimum and maximum vario value in last avereger time (by default 20s) G-meter shows minimum and maximum G-force in last flight Communication Use to configure baudrate for GPS and PDA port. Each port can be configured separately. If your PDA device does not support automatic switch to DIRECT LINK between GPS and PDA port, here is manual GPS-PDA link menu.
V7 Version 3.01 October 2013 In case, that we want to use this module, we must select under PDA baudrate LXV7 Bluetooth. If Bluetooth will be detected, on main screen will be displayed BT icon. In case of synchonization erreor, an error message will appear. At power up of V7 same messages will be present. On PDA side is necessary to pair Bluetooth with LXNAV V7 Bluetooth module. Pairing is completed, when is entered pairing code „1234“.
V7 Version 3.01 5.3.9 October 2013 Polar and Glider Use this dialogue to enter glider polar and other glider properties. standard class glider is enabled automatically . As a default polar a Polars for most modern gliders are already prepared. Use Glider type control, to list between preloaded glider polars. All glider data will be copied from the chosen polar.
V7 Version 3.01 October 2013 Weights must be entered and user should enter ballast in kilograms. There are three weights to enter. Min. Weight (Minimum glider weight) corresponds to the min.load value and represents the value at which the polar was measured or recalculated. Max. weight (Maximum glider weight) is the maximum take-off weight allowed for a glider. It is not used in the calculation, it is just a reminder to the pilot of the maximum take-off weight.
V7 Version 3.01 October 2013 Do not adjust needle, or autozero when airborne. 5.3.12 Reset of accelerometer (g-meter) Accelerometer can any time be reset manually. After take off it is reset automatically. 5.3.13 About In about page is information about firmware versions, hardware versions and serial numbers.
V7 Version 3.01 6 October 2013 Variometer and Altimeter All signals from the pneumatic sensors (altitude, speed) are derived from high quality pressure sensors which mean that no flask is necessary. The vario signal is derived from the altitude signal. All signals are temperature and altitude compensated. Mechanical needle and colour display show the vario information as well as many other parameters. The display is user configurable. The variometer can be configured to show: • Range 5, 10 and 2.
V7 Version 3.01 7 October 2013 Flying with the LXNAV V7 To get the best out of the LXNAV V7 it is important that some preparation is done prior to take-off. Trying to configure the instrument or set a task while flying is very hazardous especially in a competition. At the least, it could spoil your whole day! Pre-flight preparation will ensure that the flight will be both safe and enjoyable. 7.1 On the Ground 7.1.1 Power on Procedure Press the push button. LXNAV V7 welcome screen will appear.
V7 Version 3.01 7.1.3 October 2013 Pre-flight Check After elevation setup the LXNAV V7 will switch to normal operation mode. It is recommended that the MacCready, ballast and bugs settings be set to match the current glider configuration. Press the push button. The dialogue for MacCready, Ballast and Bugs will appear. Use the rotary knob to modify the MacCready setting. Refer to Chapter 5.2 for more details. It is also highly recommended to check the safety altitude setting. Refer to Chapter 5.3.
V7 Version 3.01 8 October 2013 Installation The LXNAV V7 requires a standard 57 mm cut-out. Three pressure connectors are fitted to the back of the V7. A label shows their functions. • Pstatic means static pressure connector. • Ptotal means pitot or total pressure connector. • TE means total energy TE pressure connector.
V7 Version 3.01 October 2013 Instrument has no internal fuse. 3A external fuse is required! Power supply cables should use a minimum of 0.5 mm² wires. 8.1 Installing the LXNAV V7 The LXNAV V7 vario should be mounted in a standard 57 mm hole. Remove rotary knob cap with a knife or flat screw driver, then hold knob and unscrew it. Remove remaining three screws. Install V7 into the panel, screw back all screws and knob. Make sure that between knob and panel is some space, to push button.
V7 Version 3.01 October 2013 Length of screw is limited to max 6mm! 8.4 Installation of options To the LXNAV V7 can be optionally connected 2nd seat repeater unit LXNAV V7D. 8.4.1 Ports and Wiring 8.4.1.
V7 Version 3.01 October 2013 PDA port (RJ45) 12345678 Pin numbers Pin number 1,2 Description Ground 3 (output) Transmit from LXNAV V7 RS232 (e.g. Computer, IPAQ38/39xx) 4 (input) Receive to LXNAV V7 RS232 (e.g. Computer, IPAQ38/39xx) 5 (output) Transmit from LXNAV V7 LV-TTL (3.3V) (e.g. Oudie, HP302, HP31x) 6 (input) Receive to LXNAV V7 LV-TTL (3.3V) (e.g. Oudie, HP302, HP31x) 7,8 5V OUTPUT (maximum 1A) RJ45 plug is NOT designed in accordance with IGC standard.
V7 Version 3.01 October 2013 Main port On main port is connected V7 wiring. Audio port Here is connected speaker with standard 3mm phono jack. This port is designed to be connected 8 ohm speaker supplied with V7. Please consult with your dealer, if you want to make different connection. 8.4.1.
V7 Version 3.01 8.4.2 October 2013 Configurations 8.4.2.1 NANO – V7 – OUDIE USB cable CC-NP-LX cable OUDIE CC-NP-OUDIE 8.4.2.2 NANO – V7 – MINIMAP cable MINIMAP Nano Power V7 NANO USB cable CC-NP-LX cable CC-NP-LX cable Nano Power V7 NANO 8.4.2.
V7 Version 3.01 October 2013 8.4.2.4 COLIBRI,VOLKSLOGGER– V7 – OUDIE V7-GPS-IGC cable COLIBRI VolksLogger OUDIE CC-NP-OUDIE V7 8.4.2.5 Flarm/RedBox– V7 – OUDIE V7-GPS-IGC cable V7 Flarm Splitter Flarm/RedBox FlarmView FlarmView cable OUDIE CC-NP-OUDIE V7 8.4.2.
V7 Version 3.01 October 2013 8.4.2.7 FlarmMouse – V7 – OUDIE OUDIE CC-NP-OUDIE 8.4.3 V7 FlarmMouse V7D option (V7 repeater) One or more V7D repeaters can be connected together via CAN bus. In case of double seater configuration, user can equally control and configure V7 vario from both seats.
V7 Version 3.01 9 October 2013 Firmware Update Firmware updates of the LXNAV V7 can be easily carried out using PDA or PC. Please visit our webpage www.lxnav.com and check for the updates. You can also subscribe to a newsletter to receive news about the LXNAV V7 automatically. 9.1 Updating LXNAV V7 firmware using OUDIE Firmware update can be done with OUDIE version 4.20 or higher. You need CC-NP-OUDIE1 cable. Be sure that PDA baudrate on V7 is set to 115200bps. The procedure is following: 1.
V7 Version 3.01 October 2013 See tutorial on: http://youtu.be/bRrgHpKpzPU 9.2 Updating LXNAV V7 firmware using PC Update procedure of V7 using PC is similar to procedure on OUDIE. You need CC-NP-232 cable and free serial port on your PC. If your PC has no serial ports, you can use USB to SERIAL converter. Be sure that PDA baudrate on V7 is set to 115200bps. 1. Download the latest firmware and update tool from our web site, section downloads/firmware http://www.lxnav.com/download/firmware.html.
V7 Version 3.01 October 2013 4. Choose correct serial port and baud rate (115200bps) 5. Press “Flash” Button. If update starts, you will see a progress on PC and on V7. 6. Now you can choose second file App_VSEV_x.yy.lxfw and repeat procedure from step 3. Update od »VINB« firmware takes little longer as »VSEV«. If update procedure is interrupted of any case. LXNAV V7 will not start. It will cycle in bootloader application with red message “Flash integrity failed”.
V7 Version 3.01 October 2013 10 Options 10.1 Rear Seat Device (LXNAV V7D) In two-seat gliders it is possible to install the LXNAV V7D rear seat device. The V7D looks almost identical to the V7. In fact it runs on exactly the same software as on first seat device. The basic idea of two-seat configuration is that both devices work independently from each other with the possibility of automatically exchanging various pieces of data (Loudness, Mc, polar…). 10.1.
V7 Version 3.
V7 Version 3.01 October 2013 11 Revision History November 2011 January 2012 March 2012 March 2012 June 2012 August 2012 October 2012 November 2012 February 2013 September 2013 October 2013 Initial release of owner manual New chapters Ch.8.4.2, Ch.8.2 New release of version 1.97, mod. Ch. 5.3.8 New release of version 1.98, mod. Ch. 5.3.8 (removed altitude source ) New release of version 2.00, mod. Ch.2, Ch.4.3, Ch 5.3.11 New release of version 2.02, New Ch.5.3.8.1, Mod Ch.5.1, Ch.5.1.
