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CN Flight Computer
Download

Current Software Version 
CNII 3.21.7.7
CNI 2.2.0.73
Manual
CNII Software
CNI Software
Tech Notes

CNII Software

CNII Software Downloads
  • Include all files previously referred to as "Factory Stick"
  • These files include everything you will need to setup and update your CNII Fight computer
    • Click on the "Download Instructions" button below
USB Stick
  • Utilize an 8GB USB to update your unit
  • USB Stick up to 32GB should work
  • The USB stick provided upon purchase of a CN product:
    • SanDisk 8GB Cruzer Blade USB 2.0 Flash Memory Drive SDCZ50-008G
Download Instructions

CNII Current Software
(Released 10/29/2021)

Software
3.21.7.7
Release
Notes

CNII Previous Software
(Released 3/30/2019)

Software
3.19.3.6

CNII Beta Software

Beta software has been flow by factory techs for the past year and ClearNav Instruments is now looking for additional Beta Testers

The Beta Software Version 3.22.6.26 includes:
  • New Checklist Features
  • Enhanced Flarm / ADS-B Targets
    • ADS-B Glider targets previous displayed as B52's as soon as they got out of Flarm range now filter through Flarmnet filter and will remain there assigned Flarmnet identification without climb data
  • New task optimization sections
  • Way points can now use .stx and .cup
  • other Misc settings and adjustments (refer to Tech notes for more details)

If you would like to become a beta tester please upload the software below and for any feedback contact us at sales@clearnav.net

CNII Beta Software
(Released 1/30/2023)

Software
3.22.6 beta
Release
Notes

CNI Software

CNII Software Downloads
  • Include all files previously referred to as "Factory Stick"
  • These files include everything you will need to setup and update your CNII Fight computer
    • Click on the "Download Instructions" button below
USB Stick
  • Utilize an 8GB USB to update your unit
  • USB Stick up to 32GB should work
  • The USB stick provided upon purchase of a CN product:
    • SanDisk 8GB Cruzer Blade USB 2.0 Flash Memory Drive SDCZ50-008G
Download Instructions

CNI Current Software
(Released 6/4/2014

Software
2.2.0.73
Release
Notes

Manual

CNII Flight Computer
Completer User Manual

PDF

CNII Task Tips and Tricks

Tips and Tricks to set up tasks 
The intricacies of the CN task optimization
PDF

CNII Task Functions

PDF

CNI & CNII
Download Instruction

PDF

Quick Reference Card

The quick reference card give a general overview of the most commonly used features of the CNI and CNII Flight computer outlining:
  • Setup
  • Controller Operations
  • Basic Navigation
  • Tasking
  • Ribbon Menu Navigation
  • Much More

Quick Reference
English

PDF

Quick Reference
French

PDF

Quick Reference
Spanish

PDF

Quick Reference
German

PDF

Tech Notes

Picture

CNI / CNII Bezel Mount
Instillation Template

PDF
.DXF

Picture

CNI / CNII Tunnel Mount
Instillation Template

PDF
.DFX

Picture

FLARM Connection Schematic

PDF

Picture

Remote Speaker
Instillation

PDF

Picture

ClearNav (Item# 0643)
Custom Serial Cable

Connects CNI or CNII to CNv and provides
better wind data from CNv to CNI or CNII

PDF

Picture

Nexus Junction Box
Wiring Diagram

PDF

Picture

CNI/ CNII Ram Mount
Instillation Instructions

PDF

Home
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Support
Contact Us
Buy Direct: (530) 473-5600 or Sales@clearnav.net
ClearNav Instruments

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  • Home
  • Products
    • CN II Flight Computer
    • CNv Variometer
    • Price List
  • Support
    • CNI / CNII Flight Computer Downloads
    • CNv Vario Downloads
    • Video Library
    • FAQs
  • Contact Us