LXNAV V3 User Manual

V3

Digital variometer with speed to fly function

Version 1.0

LXNAV d.o.o. • Kidričeva 24a, 3000 Celje, Slovenia • tel [phone] fax [phone]

[e-mail]

• www.lxnav.com

V3 Version 1.0 November 2012

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1 Important Notices 5

1.1 Limited Warranty 5

2 Packing Lists 6
3 Basics 7

3.1 LXNAV V3 at a Glance 7

3.1.1 LXNAV V3 Features 7

3.1.2 Interfaces 7

3.1.3 Options 8

3.1.3.1 External Options 8

3.1.4 Technical Data 8

4 System Description 9

4.1.1 Push Button 9

4.1.1.1 Power Button 9

4.2 Rotary Switch 9

4.3 Switching on the Unit 10

4.4 User Input 10

4.4.1 Text Edit Control 10

4.4.2 “Spin” Control 11

4.4.3 Selection Control 11

4.4.4 Checkbox and Checkbox List 11

4.4.5 Slider selector 11

4.5 Switching off 12

5 Operating Modes 13

5.1 Main screen and needle 13

5.2 Quick access menu 14

5.3 Settings Mode 14

5.3.1 Logbook 14

5.3.2 QNH 15

5.3.2.1 QNH 15

5.3.2.2 Set elevation 15

5.3.3 Vario Parameters 15

5.3.3.1 Vario needle filter 15

5.3.3.2 Vario range 15

5.3.3.3 Integrator time 15

5.3.4 Sounds 16

5.3.4.1 Vario Audio mode 16

5.3.4.2 Audio frequencies 16

5.3.5 Units 17

5.3.6 Display 18

5.3.7 Polar and Glider 18

5.3.8 Password 19

5.3.9 About 20

6 Variometer and Altimeter 21

6.1 Altimeter 21

6.2 Speed to fly 21

7 Flying with the LXNAV V3 22

7.1 On the Ground 22

7.1.1 Power on Procedure 22

7.1.2 Set Elevation and QNH 22

7.1.3 Pre-flight Check 22

8 Installation 24

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8.1 Installing the LXNAV V3 24

8.2 Connecting LXNAV V3 24

8.3 Cutout of V3 25

8.4 Ports and Wiring 25

8.4.1 LXNAV V3 ports 25

8.4.2 Main port 26

8.4.2.1 26

8.4.3 External Audio port 26

9 Firmware Update 27

9.1 Updating LXNAV V3 firmware using PC 27

10 Revision History 29

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1 Important Notices

The LXNAV V3 system is designed for VFR use only as an aid to prudent navigation. All
information is presented for reference only.

Information in this document is subject to change without notice. LXNAV reserves the right
to change or improve their products and to make changes in the content of this material
without obligation to notify any person or organisation of such changes or improvements.

A Yellow triangle is shown for parts of the manual which should be read carefully
and are important for operating the LXNAV V3 system.

Notes with a red triangle describe procedures that are critical and may result in
loss of data or any other critical situation.

A bulb icon is shown when a useful hint is provided to the reader.

1.1 Limited Warranty

This LXNAV V3 product is warranted to be free from defects in materials or workmanship for
two years from the date of purchase. Within this period, LXNAV will, at its sole option, repair
or replace any components that fail in normal use. Such repairs or replacement will be made
at no charge to the customer for parts and labour, the customer shall be responsible for any
transportation cost. This warranty does not cover failures due to abuse, misuse, accident, or
unauthorised alterations or repairs.

THE WARRANTIES AND REMEDIES CONTAINED HEREIN ARE EXCLUSIVE AND IN LIEU OF
ALL OTHER WARRANTIES EXPRESSED OR IMPLIED OR STATUTORY, INCLUDING ANY
LIABILITY ARISING UNDER ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A
PARTICULAR PURPOSE, STATUTORY OR OTHERWISE. THIS WARRANTY GIVES YOU
SPECIFIC LEGAL RIGHTS, WHICH MAY VARY FROM STATE TO STATE.

IN NO EVENT SHALL LXNAV BE LIABLE FOR ANY INCIDENTAL, SPECIAL, INDIRECT OR
CONSEQUENTIAL DAMAGES, WHETHER RESULTING FROM THE USE, MISUSE, OR
INABILITY TO USE THIS PRODUCT OR FROM DEFECTS IN THE PRODUCT. Some states do
not allow the exclusion of incidental or consequential damages, so the above limitations may
not apply to you. LXNAV retains the exclusive right to repair or replace the unit or software,
or to offer a full refund of the purchase price, at its sole discretion. SUCH REMEDY SHALL
BE YOUR SOLE AND EXCLUSIVE REMEDY FOR ANY BREACH OF WARRANTY.

To obtain warranty service, contact your local LXNAV dealer or contact LXNAV directly.

November 2012 © 2012 LXNAV. All rights reserved.

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2 Packing Lists

• LXNAV V3 (in Metric or Imperial units as specified)

• Main power cable for V3

• Manual (on USB stick)

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3 Basics

3.1 LXNAV V3 at a Glance

LXNAV V3 is standalone digital vario meter with speed to fly function. The unit has standard
dimensions to fit into a glider panel - 57 mm diameter (2¼"). The unit has integrated high
precision digital pressure sensor, which are sampled more than 100 times per second. Data
is indicated with needle driven with stepper motor and displayed on 320*240 pixel, two-inch,
high brightness colour display. To adjust values and settings, LXNAV V3 has one rotary knob
combined with a push button.

3.1.1 LXNAV V3 Features

• Extremely bright 2" (5 cm) colour display readable in all sunlight conditions with the
ability to adjust the backlight .

• One rotary switch (knob) with push button function is used for input.

• Pre-loaded polar database for almost all gliders.

• Mechanical needle driven by stepper motor indicating vertical speed.

• 240x320 pixels colour screen for additional information such as average, speed to fly,

altitude ...

• Many custom audio settings

• 100Hz sampling rate for very fast response.

• Internal speaker

3.1.2 Interfaces

• Serial RS232 interface

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• Audio port (Standard 3mm phono jack)

3.1.3 Options

3.1.3.1 External Options

External speaker can be connected as option.

3.1.4 Technical Data

• Power input 6-16 V DC

• Consumption of LXNAV V3 at 12 V:

o 95 mA - minimum brightness without audio.
o 135 mA - maximum brightness without audio.

• 57 mm (2¼") standard aircraft cut-out for the LXNAV V3 vario unit; length 50 mm (not
including connector).

• Weight 156 g

• Antireflective coated glass

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4 System Description

4.1.1 Push Button

The Rotary switch also has a push button function. LXNAV V3 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 V3 off.

4.2 Rotary Switch

The one rotary switch/knob with integrated pushbutton function can control all functions on
LXNAV V3. Main function is changing of the volume. The rotary switch moves up or down
through the menus. Variables can also be changed using the switch. Pushing the button at
the same time as rotating will step the values in larger increments.

Example 1:
Set elevation menu; normally, values are with step 1m. If you push button in and rotate at
same time, the step will be 10m.

Example 2:
Entering password; Up/Down the numbers are changed. If you press and rotate, the cursor
will move left or right. Short press will move cursor one step right.

Rotary switch with
push button