M121 Update Version 2.3.12

Notes:

Mac OS X users may need to reapply the execute permissions to the stand-alone installer after it has finished downloading. To reapply the execute permissions, open a Terminal window, and type the following command (this assumes you downloaded the file to your desktop):

chmod +x desktop/M121_2312.command

Prerequisite: Java must be installed on your computer for the installers to operate. If you do not already have a Java JRE or JDK installed, please visit the Java website.

Installation Instructions
  1. Make sure the SD card reader is properly connected to your computer (and, if necessary, that the drivers are installed).
  2. Insert an SD card with at least 12 MB of free space into the SD card reader.
  3. Click on the "Install This Update From the Web" link below to go to the installation web page.
  4. Wait for the Java web installer to download and run. Follow the Northstar update installation instructions. If you are not sure about a step, just select the default choice. When the installer finishes you will prompted to click Finish to exit.
  5. Turn your M121 unit off.
  6. Place the SD card containing the updated operating software in the unit's SD card slot.
  7. Turn your M121 unit on. The software update will automatically install.

If your computer experiences problems with the web installer, try using a stand-alone installer. Note: Do not download this installer to your unit - save it to your computer and run the installer to load the necessary files to the unit.Simply choose the appropriate operating system below:
PC Win98/ME/2000/XP/2003/Vista   |   Mac OS X   |   Linux

How to see if your M121 is already using version 2.3.12 software:
  1. Press the MENU button twice on your M121.
  2. Select SYSTEM SETUP.
  3. Select SOFTWARE INFORMATION.
  4. The software version for your unit is located under the line that says "M121" (ex. "Version 2.3.12").
  5. If your version is the same version listed above, there is no need to download the software.
What changes are made in this update?

System Requirements:

M121 update software will run on any Java-enabled machine running Windows® 98/ME/2000/XP/2003, Mac OS X, or Linux.