GlobalMap 4900M Update Version 1.7.0

Warning: If you have an LGC-2000 GPS receiver/antenna connected to your unit, please update the LGC-2000 at this link before proceding with the update on this page.

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/GM4900M_170.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.

1. Make sure the MMC/SD card reader is properly connected to your computer (and, if necessary, that the drivers are installed).
2. Insert an MMC/SD card with at least 8 MB of free space into the MMC/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 Lowrance 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 Lowrance GlobalMap 4900M unit off.
6. Place the MMC/SD card containing the updated operating software in the unit's MMC/SD card tray.
7. Turn your GlobalMap 4900M unit on. The software update will automatically install.

If your computer experiences problems with the web installer, try using a stand-alone installer. Simply choose the appropriate operating system below:
PC Win98/ME/2000/XP/2003   |   Mac OS X   |   Linux

1. Press the MENU button twice on your GlobalMap 4900M.
2. Select SYSTEM SETUP.
3. Select SOFTWARE INFORMATION.
4. The software version for your unit is located under the line that says "GlobalMap 4900M" (ex. "Version 1.7.0").
5. If your version is the same version listed above, there is no need to download the software.

• Enhanced support for LGC-2000 GPS modules
• Added support for LGC-3000 GPS modules
• Many minor enhancements to the NMEA 2000 features
• Improved Tides and Currents to compensate properly for Daylight savings time
• Improved waypoint sharing
• Includes all features from previous updates, including:
  • Changed the initialization process
  • Modified the brightness slide bar
  • Modified the tab index and exit function for the Find By Nearest window

System Requirements:
GlobalMap 4900M update software will run on any Java-enabled machine running Windows® 98/ME/2000/XP/2003, Mac OS X, or Linux.