Author Topic: 798SI dual transducer hook-up question  (Read 100 times)

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Offline fishreed

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  • fishreed
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798SI dual transducer hook-up question
« on: July 03, 2019, 10:45:13 AM »
This is for RNvinc or anybody who can tell me the answer  I have a perfectly good 798SI head unit with a badly cracked SI transducer given to me from a guy I installed a new HElix 7 Gen2 SI on his boat.   I have an extra  quadrabeam transducer and a dual beam 83/200 with a dual cord laying around I will never use again.  Another friend of mine, who can't afford a new HELIX unit on his boat to replace a 80s Matrix POS, has a need for this 798SI unit as  I being nice guy,  is going to hook him up with the 798SI  at no charge.      IS it possible to use dual beam transducer cord and hook up a "quadrabeam"  transducer AND a dual beam transducer 83/200  to this 798SI?  Yes I upgraded the software and this 798SI only has 300 hours on it.  I know it can be done with a regular SI transducer and a 83/200 dual beam but I don't know if it can be done with the older Quadrabeam transducer.    Somebody will  know here.


Offline rnvinc

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Re: 798SI dual transducer hook-up question
« Reply #1 on: July 03, 2019, 09:16:41 PM »
Quadra beam was an xducer option thru many unit models and software versions  ...

Power on the unit and look for a "Quadrabeam" selection choice in the Connected Transducer options under the Sonar tab  ...

The Quadrabeam beam xducer already has 83/200kHz 2d so it would be unnecessary to also connect a Dual Beam with a Y cable  ...

Is there a tag on the Y cable to indicate what it is  ...??

Rickie


« Last Edit: July 03, 2019, 09:20:32 PM by rnvinc »

Offline rnvinc

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  • Accessories: AS GRHA, AS GPS HS, LowBird LSS 1 & 2
Re: 798SI dual transducer hook-up question
« Reply #2 on: July 03, 2019, 09:18:35 PM »
It is definitely possible to use the Dual Beam xducer on the 798 by changing the Connected Transducer selection to Dual Beam (or HB 83/200kHz in some software versions)  ...

Rickie

Offline fishreed

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  • fishreed
  • Unit(s): 899CI SI HD,1199SI HD,
  • Software: current
  • Accessories: Both Quadrabeam & twin HD SI ducers
Re: 798SI dual transducer hook-up question
« Reply #3 on: July 04, 2019, 04:20:34 AM »
Quadra beam was an xducer option thru many unit models and software versions  ...

Power on the unit and look for a "Quadrabeam" selection choice in the Connected Transducer options under the Sonar tab  ...

The Quadrabeam beam xducer already has 83/200kHz 2d so it would be unnecessary to also connect a Dual Beam with a Y cable  ...

Is there a tag on the Y cable to indicate what it is  ...??

Rickie

You answered my question Rickie, That's what I thought too. I didn't know if it had 83khz or not unlike a true SI transducer which synthesizes the  83khz beam.

Reed


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