Nice!!! Now where is that warm weather update????
Here is the description of the update.
Description:
1/12/2010 12:00:00 AM – v4.750 Adds Down Imaging. Adds GPS improvements. Adds new 2D sonar color palettes. Adds New SI sonar color palettes. Improves trolling motor noise rejection. Fixes Track offset issue. Makes depth alarm Persistent over power cycles. Supports new NVB maps w/o Canada data. Automatically restores defaults when reprogramming unit. Adds additional AIS message support. Fixes Disabled GPS output. Fixes Snapshots not displaying in POS mode. Fixes Navionics library drawing when no map is available. Fixes various cosmetic and minor operational defects.
Prerequisites:
You will need a working MMC/SD reader/writer device attached to your PC and a formatted MMC/SD card.
Instructions:
Download to your computer and use the HumminbirdPC program to upload your unit. You may also copy the uploaded software to an MMC/SD card and then insert that card into your unit to update its code. CAUTION! We highly recommend that you restore the defaults on your Humminbird unit prior to downloading any new software as it can create complications that can only be fixed at the factory