LXNAV S100 User manual

A Short Guide to the new Duo Discus S100 Variometer now installed.
The LXNAV S100 is a standalone digital variometer, final glide calculator and navigation system with
a simple moving map. The S100 unit includes a built-in IGC-approved flight recorder, a Bluetooth
module and its own backup battery which provides from 3 to 4.5 hours of independent operation.
Two rotary switches (knobs) with push button function and three push buttons are used for input.
There is also a remote stick operated button operation for the unit.
Built-in GPS module.
Flarm Indication if a Flarm is connected to the GPS/Flarm port.
Programmable “needles” for selectable data such as netto vertical speed, relative (super netto) and
vertical speed (vario).
Speed to fly indication.
Total Energy (TE) compensation can be selected to be either pneumatic TE probe or electronic TE.
Audio thermal assistant.
In a two-seat glider both pilots have independent control of all functions of each unit in the front or
the rear seat.
Power Button
The system is powered up by pressing any of the push buttons or a press of either of the rotary
knobs. A long press of the upper rotary knob will turn the S100 off, Use this method instead of the
master switch.

Push Button –Rotary Switches
The two Rotary switches also have a push button function. The LXNAV S100 detects short or long
presses of the push button. A short press means just a click, a long press means pushing the button
for more than one second.
Rotary Switches
The upper rotary knob is designed for direct volume control. A short-press on the upper rotary knob
will produce an option to select between options and adjust volumes for the Vario, Speech and
Flarm beep.
The lower rotary knob is used to adjust settings within the current mode or within menus.
Buttons (Three)
The three buttons between the two rotary knobs have fixed functions.
The top button is ESC (CANCEL)
The middle is to switch between modes and the lower button is the ENTER (OK) button.
The upper and lower buttons are also to rotate between subpages in the Waypoint (WPT) and Task
(TSK) modes.
SETUP
After switching on and initial bootup, the user must set either the Elevation or the QNH with the
lower rotary button.
As soon as the settings are set the middle button must be pressed to proceed.
User Inputs
The Club will input a standard Profile which will be protected by a Password. This will include the
selection of units for altitude/speed/Latitude/Longitude parameters.
User Modes can be summarised as below.
Text editor Use the lower rotary knob to change the value at the current cursor position.

Once the required value is selected, press the lower push button to move to the next character
selection. To move back to the previous character, press the upper push button. When you have
finished editing, press the Enter key –the lower rotary button. A short press of the middle push
button exits from the edited field (“control”).
Spin controls (Selection control) to increase or decrease numerical values
Checkboxes- To select options or make files active upon exit.
Slider control To increase or decrease volume or screen brightness
Operation
To move the function from one control to another, rotate the lower rotary knob as follows:
Clockwise rotation will select the next control.
Counter clockwise rotation will select the previous control.
The lower PUSH button ENTERS the selected feature.
Faster rotation of the rotary knob will increase the rate at which the value changes i.e. bigger steps in
value.
The S100 has five operating Modes and the SETUP Page

Info Mode: Contains the GPS data, Altitude, Battery and Sunset time, OAT.
Flarm Mode: Showing PowerFlarm targets in range.
Thermal Mode: Showing a thermal assistant during circling .
Waypoint Mode: Simple navigation screen to a waypoint plus two subpages.
Task Mode: Task screen showing the task and airspace.
Setup Mode: For all aspects of the setup of the S100.
This is but an introduction to the use of the S100 Vario. For use during competitions, tasking and the
finer points of cross country flying, please consult the S100 Manual.
https://gliding.lxnav.com/wp-content/uploads/manuals/LX8x10xManualEnglishVer0628.pdf