yeah, packaging those compact transducers with units to reduce cost was a cruddy move. many people upgraded to the HD transducer as Humminbird would do an exchange for a small cost if unopened. did your dealer mention this option to you before the initial install?
since you’re calling customer service anyway, it might be worth asking them to replace your broken compact with an HDSI transducer, just offer to pay the upgrade fee. worst they can do is say no, best case is you upgrade for less cost.
either way, when you install your HDSI transducer i suggest also getting a standard dual-beam high speed transducer and using a Y-cable splitter to connect them to your unit. this allows you to mount the SI transducer (for SI/DI) higher on your transom where it will be protected from hitting anything and just put the relatively inexpensive standard sonar transducer (for 2D) exposed at the transom line.
for a Mega unit you’d want: “M SIDB Y”
for a non-Mega unit it is: “AS SIDB Y”
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