Raymarine CP370 Fishfinder & Sonar Module Software

Software download and update information for the Raymarine CP370 Fishfinder & Sonar Modules:

Applicable for: CP370
Software Version: v21.03.43
Release Date: January 2025

Compatibility note:

With the release of CP370 software (v20.0 application / v18.00 platform) or latest software versions, legacy MFDs E-Classic / C-Wide / E-Wide or G-Series are no longer compatible. Therefore, if you connected a new CP370 running latest software, it will not communicate at all with these legacy MFDs.

Please see FAQ-1573 for more information on compatibility of CP370 with Legacy MFDs.

Please see FAQ-2666 for more information on how to update your CP370 Sonar Module.

Downloads

Software download for Axiom Family

(68.5MB)

Important Terms of downloading software

Firmware update processes are 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
v21.03.43	January 2025	Resolved Issues & Improvements CP370 now correctly reads 'Speed Through the Water' from the connected transducer
v21.03.35	April 2024	Software update to comply with the UK Product Security and Telecommunications Infrastructure Act 2022 ("PSTI") - Contains no end user performance changes or enhancements. For more information visit our FAQ.
v21.0-22App / v21.0-20Plat	April 2022	New Features Fish Icon and Detection Beep (CP100/ CP370/ CP470/ CP570) now available. Requires the MFD to be running LH4.0 or higher. (Note: RVX1000 already has this feature) Improvements / Maintenance LH4.0 MFD compatibility with v21 Sonar software. You MUST upgrade the Sonars otherwise they will not function with LH4.0 RVX1000 and AXIOM internal Sonars have an improved internal bottom finding algorithm RVX1000 and all CP Sounders (CP100/ CP200/ CP370/ CP470/ CP570) now support the Sonar recording diagnostics switch within the LH4 MFD menu
v20.0-00012 app / v18.00-00017 plat	May 2021	IMPORTANT: This upgrade is required when your AXIOM MFD is upgraded to v3.14.88 (or higher). If you do not upgrade your SONAR modules, they will not communicate correctly with your MFDs. SONAR modules that require this updated release: CP100 CP200 CP370 CP470 CP570 Backward Compatibility Note: This v20.00a/v18.0p software IS backward compatible with older LH3 software (i.e. v3.13.103 or earlier), and LightHouse2 multifunction displays (v19.03), however, it is NOT compatible with older MFDs, such as: G-Series E-Wide C-Wide E-Classic You must have the CP370 running on previous software (v13.34a/v15.02p) when networking with these older MFDs.
v13.34 App	Jul 2017	Corrects the Status LED, so inform the user when a transducer is not being sensed by the SONAR (one amber blink) Changes the way the CP370 communicates over Ethernet, as it was discovered when networked along with a Digital Radar, it could cause the Digital Radar to reset after an intermittent period of time. Note, once upgraded to v13.34 you cannot downgrade back to v13.30
v15.02 Platform	Jul 2017	Production Release Only, to support component obsolescence - no end user enhancements
v13.30 App	Mar 2015	Modifies test program in production. No functionality changes seen by end user.
v13.27 App / v13.28 Platform	Feb 2015	Initial Release

Open Source GPL/LGPL

Some Raymarine products contain software code developed by third parties that are covered by open source GPL and LGPL software license agreements. You can view the third party license agreements by visiting the Manuals section of our website.

To access the open source GPL and LGPL licensed executables click here

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