AirMar Transducer ID

Old 02-12-2010, 03:54 PM
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Default AirMar Transducer ID

We decided to post this thread to share some information pertaining to Transducer ID and the sounders that utilize them. There seems to be some confusion on this subject matter so it may be a good idea to provide a knowledge base on this subject matter.

In 2006, AirMar announced the incorporation of the transducer ID on some of its transducer.

The idea behind this is to allow sounder makers to query the transducer attached to it and determine the capabilities of the said transducer. It is also a good way to prevent damage to transducers that are not able to handle the more powerful settings that a capable sounder can provide.

Sounder manufacturers have started to incorporate their products features that take advantage of the Transducer ID. Some sounders like the Garmin GSD22 automatically queries the transducer for the ID and sets itself to the optimim setting. If the GSD22 cannot determine the transducer ID, it sets itself to the default setting of a lower powered transducer (600 watts) so as to inadvertently damage lower powered transducer that may attached to it. If the GSD22 determines that a higher wattage trasducer is attached to it via the transducer ID info, it will set itself up for the higher power operation. This is done automatically by the system and from information we have, there is no manual override feature on the GSD22.

Some sounders do have the override feature like those made by Furuno which will allow the user to instruct the sounder to operate at certain setting regardless of what transducer is attached to it.

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Last edited by getfeetwet; 03-03-2010 at 12:03 PM.
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Old 09-18-2011, 02:42 AM
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Default How do you know if your Garmin GSD22 sees transducer ID

Hi fellas, I have an Airmar R199, Garmin GSD22 & pair of networked 4012's. I cannot establish the part number for the airmar after the boat builder removed the part tag.
I'm trying to work out whether my R199, bought in the summer of 2010, has ID technology & talks to my GSD22 to get the full 2KW.
When I check the Garmin network it does not display the transducer, although it does show my Airmar heading compass so I'm a bit concerned.
I have emailed both Garmin & Airmar, having researched their sites but wait for an answer.
Appreciate it if any of you guys have an idea.
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Old 09-19-2011, 07:14 AM
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The ID circuit in the R199 tells the GSD 22 to send out 2000 watts.

If you need further assistance email us at

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