No other options really unless Honda have something in house. The reliability of the Lowrance memory modules hasn't really been "confidence building" as such but they did have a model revision in recent times. Manual resetting really isn't too much of a chore - I usually do it prior to departure at home as I always fill to full but if I forget, I notice as soon as I look at the readouts as I am idling away from the ramp on both the displays in my rig ( 1 NMEA, 1 proprietary ) and do it then. If you do fit one, remember they will quite possibly nowhere near accurate until calibrated.