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DSM 30 Sounder - B117 Transducer Issue
03-30-16, 05:38 AM
Post: #1
DSM 30 Sounder - B117 Transducer Issue
I have a customer with a C90W (v2.20), DSM 30 (v4.20) and B117 transducer (E66014). There are two issues:

1. Even though the fishfinder display shows a good bottom lock, the depth data window shows no depth reading.

2. When the system is first powered up, the transducer selections do not include the B117 as an option. After a DSM reset is performed, the B117 does show as an option and can be selected. Not sure if these issues are related.

I've uploaded pictures of these.

Thanks for your help.
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03-30-16, 10:20 AM
Post: #2
RE: DSM 30 Sounder - B117 Transducer Issue
Welcome to the Raymarine Forum Baja [censored],

Q1. Even though the fishfinder display shows a good bottom lock, the depth data window shows no depth reading.
A1. This is an uncommon occurrence should the returned depth single strength not cross the threshhold that the sounder requires to determined depth with certainty. This symptom may also be indicative of a failing transducer or marginally operational transducer signal processing circuitry within the DSM itself. Given the problem reported below, it is recommended that the DSM be sent to Raymarine’s Product Repair Center to be bench tested / serviced.

Q2. When the system is first powered up, the transducer selections do not include the B117 as an option. After a DSM reset is performed, the B117 does show as an option and can be selected. Not sure if these issues are related.
A2. Once configured, it should not be necessary to thereafter configure the Transducer Selection featuring unless the DSM is later interfaced to a different type of transducer. It should similarly not be necessary to perform a DSM Reset to have the DSM provide the 600W transducer list. See the response to Q1 regarding having the DSM bench tested / serviced.
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03-31-16, 05:03 AM
Post: #3
RE: DSM 30 Sounder - B117 Transducer Issue
Ok. Thanks!
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03-31-16, 08:06 AM
Post: #4
RE: DSM 30 Sounder - B117 Transducer Issue
You're welcome.
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