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Dual frequency transducer compatibility with an echoMAP 50s, 50dv, 70s, or 70dv
EchoMAP 50s, 50dv, 70s, and 70dv series chartplotters are able to make use of dual frequency (50/200kHz) transducers, so long as they are at or above software version 3.00. Previous versions of software will not allow dual frequency transducers to be used.
To update the software on these devices, please refer to the Related Content.