[CA] CA11] Depth sensor for e7D

[Chuck - Raymarine - Moderator]

Rob,

Q1. Would a P79 (A80170) or P319 (A80171) connected directly to the e7D provide a fishfinder display?
A1. Yes. Doing so would provide traditional 50kHz / 200kHz (ClearPulse) fishfinder imaging.

Q2. If so, what would be the advantage of the CPT-S/CP100 DownVision system?
A2. The imaging provided by the combination of a CPT-S/CP100 DownVision system would be very similar to that provided by the ClearPulse fishfinder imaging, but with slightly greater detail. The advantages of the CPT-S/CP100 DownVision system would include
- lower power consumption, and
- elimination of a transducer cable splice



With regard to splicing the Ethernet Cable (an appropriate length of RayNet (F) to RayNet (F) Cable) which will be used to interface the e7D to the CP100, it would typically be recommended that the cable be cut in a manner which would prevent the end of the cable lacking the plug to be chased down the binnacle tube where it may be led to the location of the CP100 or system's HS5 RayNet Network Switch (should one be installed onboard). At that location, shielded RJ45 plugs may then be added to the cut ends of the cable, and they may then re-joined using a R32142 RJ45 (F) to RJ45 (F) Waterproof Cable Joiner.

Q3. Part of my problem is figuring out what the different terms mean: Clear Pulse, Downvision, Digital, CHIRP, CHIRP Downvision, Realvision 3D, etc., and what the e7D is capable of handling.
A3. These terms refer to different types of fishfinder sonar imaging. As indicated above 600W ClearPulse and high CHIRP sonar imaging are very similar in appearance and depth performance. The e7D has internal 600W ClearPulse sonar circuitry which comes into play when interfaced to a compatible 50kHz/200kHz fishfinder transducer. The a/c/e-Series MFDs may be accessorized to support 1kW ClearPulse sonar (via CP370 w/compatible 1kW 50kHz/200kHz fishfinder transducer), 1kW CHIRP Sonar (via CP470/570 w/compatible CHIRP transducer).

The a/c/e-Series MFDs may also be accessorized to support DownVision & high CHIRP sonar imaging (via CP100 w/DownVision transducer instead of a CPT-S transducer). CHIRP and ClearPulse sonar are the sonar imaging choice for those seeking to find fish. DownVision sonar imaging is designed to support location and identification of structure through its detailed imaging.



Finally, the a/c/e-Series MFDs may also be accessorized to support SideVision sonar imaging (via CP200 w/CPT-200 transducer ... not applicable to sailing vessels as transom mounted transducer is only offered). SideVision sonar imaging is use to look out to the sides of the vessel to locate structure and fish.



The a/c/e-Series MFDs cannot be accessorized to support RealVision3D sonar imaging.