LX NAV S7 Rear Seat Repeater

LX NAV S7 Rear Seat Repeater

VersionLX NAV S57mm rear seat repeater for S7.

The LXNAV S7 is a standalone digital speed-to-fly variometer and final glide calculator with GPS input and PDA/PNA input/output and has proved to be highly popular. 
Latest firmware is 4.97.

  • Mechanical needle driven by stepper motor allows fast response and very accurate vertical speed indication
  • A two-inch 320x240 sunshine readable screen displays user adjustable parameters
  • An integrated rotary switch with push button is used to setup all the parameters
  • Integrated g-meter
  • Flarm clock screen with acoustic warning (when connected to a Flarm device)
  • Integrated logbook
  • A second indicator with rotary switch and push button can be connected to V7 for double-seated aircraft.

Latest Firmware is 4.97:

  • Implementation for flarm dataport spec. ver.6 (undirected warnings A/C mode)
  • Implemented Flarm status indication
  • added polar for Silent 2 Targa and JS1-21m
  • support for OUDIE version 6.0 or higher
  • compatibility with CAN to PDA version 0.99 or higher
  • some minor bug fixes


  • Extremely bright 2” (5 cm) colour display - readable in all sunlight conditions with adjustable backlight
  • Rotary switch with push button is used to setup all the parameters
  • GPS input with two way communication in standard IGC form (RJ45 connector)  eg Nano, Flarm etc
  • PDA input with two way communication and 5V power supply for PDA/PNA
  • Integrated g-meter
  • 100Hz sampling rate for very fast response
  • TE compensation can be selected to use either pneumatic TE probe or electronic compensation
  • Pre-loaded polar database for almost all gliders
  • Integrated logbook
  • Flarm clock screen with acoustic warning when connected to a FLARM device
  • Much additional information can be displayed - such as average, thermal vario, netto, time, speed
  • Many custom audio settings
  • Speed to fly indication
  • Several useful variometer readings can all be displayed on the same vario scale: Instantaneous Vario (outer red pointer), Average Vario (red diamond), MacCready Setting (Blue arrowhead), Thermal Average (Green “T”) making it easy to compare the achieved average and thermal climb rates with the MacCready setting.

Size and Weight:

  • Standard 57mm (2¼”) hole
  • Outline dimensions: 61x61x95mm (not including the connector)
  • Weight 330g

Colour Display:

  • 65335 colours
  • 2” (5cm) screen
  • 320 by 240 pixel resolution

Input and Output:

  • Rotary knob with push function for Mc,Bal,Bugs and other settings
  • Audio output
  • Serial RS232 input/output

Power Supply:

  • Power input 10-16 V D
  • Input current : LXNAV S7 at 12 V:
    • 120 mA - minimum brightness without audio.
    • 180 mA - maximum brightness without audio
  • Input current :LXNAV S7D at 12 V
    • 90 mA - maximum brightness.

Optional Accessories: (please see the LX NAV Vario Accessories section)

  • LXNAV S7D rear seat device £385.00 excl VAT; £462.00 incl VAT
  • LXNAV Nano
  • Oudie

Supplied with one cable (for GPS or PNA (Oudie); additional cables can be found in the LX NAV Vario Accessories section.

The S7 is ideal for Club use as the V7 can be installed and provided with a cable (CC-NP-OUDIE2) so that individual pilots can connect their own Oudies to the system to get full functionality.

Please note that S7 has been fully tested with Oudie and See You Mobile program; other programs and devices may not provide full functionality. 

  • Views: 3133
  • Brand: LX NAV
  • Product Code: S7-D
  • SKU: LX-S7D
  • Availability: In Stock
  • POA
  • Ex Tax: POA

Tags: LX NAV V7 Rear Seat Repeater