HDS Gen1 4.1


The HDS 4.1 software upgrade is recommended for all HDS displays worldwide.

For a complete list of enhancements, click here to download the HDS 4.1 release notes.


Copy the update to your SD/MMC card

  1. Make sure the SD/MMC card reader is properly connected to your computer (and, if necessary, that the drivers are installed).
  2. Insert a blank SD/MMC card that is 512MB or larger into the SD/MMC card reader.  
  3. Choose your operating system:
  4. Click on the link below, unzip the .zip file and copy only the Sims folder, update.conf, and
    HDS-4.1.36.68.upd file to your SD/MMC card.

    HDS 4.1 is a 199 MB file and will take a while to download. Please be patient.

  5. Follow the onscreen instructions to transfer the HDS 4.1 software files to your SD/MMC card.


Installing the update on all HDS units, except HDS-5x (See below for HDS 5x installation instructions)

  1. Turn your Lowrance HDS unit off.
  2. Place the SD/MMC card containing the updated operating software in the unit's SD/MMC card tray.
  3. Turn your HDS unit on. The software update will automatically install.
  4. After the install is complete, remove the SD/MMC card from the unit, and restart the unit.

How to see if your HDS is already using version 4.1:

  1. From a chart or sonar page, press the MENU key twice to activate the Settings menu.
  2. Select SYSTEM.
  3. Select ABOUT from the SYSTEM menu.
  4. The software version is displayed with the title "Application" and 4.1.36.68.
  5. If your Application is the same as listed in step 4 above, there is no need to download the software.

Troubleshooting

PC users Detailed Instructions

Mac OS X users need to copy only the Sims folder, update.conf, and HDS-4.1.36.68.upd file to their SD/MMC card.


What changes are made in this update?
HDS 4.1 includes many new features including:

  • Sonar Performance – Improvements include better bottom tracking at high speeds, enhanced deep water depth tracking (greater than 1,000 feet), and shortened lock on time for trolling motor mounted transducers.
  • Charting Enhancements – Quick access mapping selection is now available with Lowrance/Navionics chart toggle under Chart Options or soft key accessible on HDS-8 and HDS-10. Also, users can now display points of interest supplied by the Navionics User Community.
  • Fixes– Updates include accurate distance measurement between vessel and active cursor as vessel moves, correct altitude overlay for altitudes greater than 9,999 feet, and EP-60R fuel flow sensor corrections.


Download Instructions/Support Material


Specifications

Version 4.1.36.68
Release Date 02/09/12
File Size 199 MB
File Format zip