To check which version is in your D2, press the Status button. List of changes and instructions are included with the download - also be sure to use the latest operating manual.

DOWNLOADING Software from Web to your computer

• Using your computer's mouse, right click on the download link below. You will then be asked where to save the zip file - save it to your computer's desktop.

• Once download is complete, unzip the file on your desktop by double clicking it. If asked where to save this file, create folder called D2 Software Update and save. You may then delete the downloaded zip file.

Download Software version v1.31 - Includes Utilities and RS-232 Commands
File Size: 1.7 MB

Download ARC version v1.1
File Size: 7.6 MB

Links to Popular Unzipping Programs for Windows:
Stuffit Expander: http://www.stuffit.com/expander/ (recommended)
WinZip: http://www.winzip.com/ddchomea.htm
Pkunzip: http://www.pkunzip.com/downloads/
Rar and WinRar: http://www.rarlab.com
WinAce: http://www.winace.com

Mac users: This software can be installed through a Windows emulator and a USB to serial adapter (adapter's driver program must be properly installed)