It is important to update the Humminbird control head to the latest version before updating the MEGA Live transducer and the MEGA Live TargetLock.
Latest versions of software are as follows:
- Compatible HELIX models: Version 2.750
- SOLIX and APEX models: Version 4.070
- MEGA Live: Version 1.170
- MEGA Live TargetLock: Version 1.140
