• Applicable for:  DSM30, DSM300, DSM300G
  • Software Version: v4.20 application and v5.18 bootloader
  • Release Date: September 2010
  • Replaces: v4.12, v4.11, v4.10, v3.16, v3.14, v3.12

Downloading the Software




This firmware update process is done at your own risk. Before initiating the update process be sure to backup and make copies of all important files

If the firmware process is interrupted your product may not function properly, therefore do not interrupt the process and ensure the unit is on a reliable power supply. Damage caused by incomplete upgrades will not be covered by Raymarine warranty. 

By Downloading the software, you agree to these terms.



Software History

Version Release Date Features
v4.20 Sept 2010
  • Horizontal scrolling of MFD’s fishfinder application ceases
  • Improved Transducer Sense Resistor Detection
  • Improved STHS Link Detection (2-amber blinks if the SeatalkHS is totally unplugged).
  • Improved STHS MFD Detection (4-amber blinks if MFD display is no longer connected or “seen” on SeatalkHS).
  • Added 4-amber blinks to status code LED sequence (when MFD not connected).
  • MFD (excluding C-Classic) to display a frozen screen image (after 30 seconds) and then “Ping Inactive” (after 1 minute) if DSM does not receive data from the MFD display, (It suggests one of the two data Transmit lines to the DSM is open circuit).
  • No change to HSB2 (ArcNet) operations.
v4.12 April 2010
  • The Depth and Speed transducer list has been updated
  • The DSM now defaults the speed transducer selection to“none” when a reset is performed
  • Requires boot code v5.18 or higher
v4.11 Sept 2009
  • Improves SeatalkHS Negotiation between DSM30/300G and MFD.
  • Allows the C-wide to “Wake” the DSM from sleep mode.
  • Requires boot code v5.18 or higher
v4.10 March 2007
  • Initial release for DSM30.
  • Stabilises temperature wobbling, and also contains fix for fault in trip log indicator on DSM300.
v3.16 ###
  • Corrects for HSB2 communications problem, where a 'No Data Source' message can be displayed on Pathfinder or C-series display, and can only be rectified by power cycling the DSM.
v3.14 ###
  • Change to minimize current draw on power-up. These are running changes, with no impact to the end user (no user SW updates required).
v3.12 ###
  • Initial Release