Downloads: NMU & Firmware

NMU, current version - LATEST NEPTUNE SOFTWARE, released 04/27/2010
The Neptune Maintenance Utility (NMU) connects your computer to N3Audio, N3, and Neptune 2.

Control the settings on your N3Audio, N3, or Neptune 2. Set the time and date, alarm altitudes and tones, adjust the lists of drop zone and aircraft types, and more. Update your altimeter to the most recent firmware version. Upload WAV files to your N3Audio.

For N3Audio and N3, requires USB drivers, see separate download

If you are installing on Windows 7, read this before plugging in N3 or N3Audio.

For Neptune 2, requires a compatible IrDA adapter with drivers installed.

The package includes operations manuals for N3Audio, N3, Neptune, and NMU, and quickstart guides for all three altimeters.

Versions:
NMU .......................... 3.4.4
Neptune Firmware .... 3.2.2
N3 Firmware ............. 6.0.3
N3Audio Firmware .... 1.0.3

Installation and setup help for Neptune 2 available here

Installation and setup help for N3 available here

For installation and setup help for N3Audio, follow the N3 link but ignore the instructions concerning Launcher, since a version of Launcher that works with N3Audio is not available at this time.