as of June 26, 2024

Changes made from version 4.61 to 4.70:

• Added support for GT17M transducer.

Changes made from version 4.50 to 4.61:

• Added support for Airmar B75HW, B175MW, and TM185MW transducers.

Changes made from version 4.40 to 4.50:

• Added support for GT12M transducer.

Changes made from version 4.30 to 4.40:

• Fixed an issue where depth was sometimes reported as 0 when depth was not known

Changes made from version 4.20 to 4.30:

• Added support for MotorGuide HD+ transducers.
• Added support for Airmar TM165HW transducers.

Changes made from version 4.10 to 4.20:

• Added support for Airmar P19 and P32 transducers.
• Improved transducer detection speeds when using non-Airmar transducers.
• Fixed an issue where a 'sonar module lost' error would temporarily appear when using certain transducers.
• Fixed missing information on the Transducer Diagnostics page when using certain Airmar transducers.
• Added partial support for Garmin GT54UHD transducers, with 1 MHz SideVu disabled.

Changes made from version 4.00 to 4.10:

• Fixed an issue where sonar may not transmit until a sonar page is opened on an MFD.

Changes made from version 3.90 to 4.00:

• Add support for Airmar P75M and P95M transducers.
• General software improvements.

Changes made from version 3.70 to 3.90:

• Fixed a regression in detecting some Airmar transducers.

Changes made from version 3.60 to 3.70:

• Fixed detection of some Airmar wide beam transducers.

Changes made from version 3.50 to 3.60:

• Added support for Garmin GT10 and GT31 transducers.
• Added support for Airmar M422, M135M, and M285HW transducers.
• Fixed detection of Airmar transducers without temperature sensors.

Changes made from version 3.40 to 3.50:

• Improved rules for deciding which frequencies should transmit based on MFD sonar sources and sleep states.
• Improved the appearance of scanning sonar.
• Fixed an issue where sonar rep rate was slower than intended.
• Various bug fixes and improvements.

Changes made from version 3.30 to 3.40:

• Added support for additional Garmin transducers.
• If both 8 and 12-pin transducers have temperature sensors, the 12-pin sensor will now be used instead of the 8-pin.
• Fixed an issue where software updates failed on large networks.
• Fixed an issue where sonar could stop functioning until a power cycle.

Changes made from version 3.20 to 3.30:

• Fixed an issue where sonar could stop functioning after an extended period of time.
• Fixed an issue where the GT52HW was incorrectly labeled as medium CHIRP.

Changes made from version 3.10 to 3.20:

• Increased the maximum range for SideVü and DownVü.
• Improved depth detection accuracy.
• Improved depth detection time when the Bottom Search Limit setting is set to Auto.
• Fixed an issue with speed wheel detection.
• Other bug fixes.

Changes made from version 3.00 to 3.10:

• Fixed an issue where default frequencies for CHIRP transducers could appear twice.
• Fixed an issue where the wrong message appeared when a transducer was disconnected.
• Fixed an issue where no message appeared when an unsupported transducer was connected.
• Changes to support manufacturing.

Changes made from version 2.90 to 3.00:

• SideVü range is now saved across power cycles.
• Added support for manually selecting transducer models.
• Added support for limiting bottom tracking search depth.
• Added support for B765 and SS260 transducers.
• Improved detection of some Airmar transducers.
• Fixed issues with keel offset, temperature offset, and water speed calibration when using two transducers.
• General software improvements.

Changes made from version 2.80 to 2.90:

• Updated to support new Garmin transducers.

Changes made from version 2.70 to 2.80:

• Improved bottom tracking in shallow water.
• Updated SideVü controls.

Changes made from version 2.60 to 2.70:

• Improved bottom depth reacquisition time.

Changes made from version 2.50 to 2.60:

• Fixed potential issue with under-powering certain transducers in deep depths.
• Prevent scroll rate from slowing down too much during depth searching.

Changes made from version 2.40 to 2.50:

• Add support for additional Airmar transducers.

Changes made from version 2.30 to 2.40:

• Improved alerts.
• General software improvements.

Changes made from version 2.20 to 2.30:

• Fixed issue that would cause Chartplotters to report 'Sonar Service Lost'.
• Improvements to visual quality of sonar returns.