Author Topic: Helix 9 Mega 2nd High Speed Transducer  (Read 962 times)

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Offline Schell21

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Helix 9 Mega 2nd High Speed Transducer
« on: January 21, 2017, 07:52:44 PM »
I'm looking at buying a HELIX 9 CHIRP MEGA SI GPS G2N (410090-1) and have heard i should get the MSIDB Y (720094-1) splitter cable so i can have both the XM 9 20 MSI T (710262-1) and a 2nd cheaper 2d transducer for high speed depth readings. Can you confirm that the XNT 9 20 (710214-1) or the XNT 9 20 T (710198-1) would be the correct high speed transducer? I know the temperature wouldn't be used on the XNT 9 20 T but I have a new one laying around and if it works for this setup I would like to utilize it. Thank you.


Offline rnvinc

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Re: Helix 9 Mega 2nd High Speed Transducer
« Reply #1 on: January 22, 2017, 06:12:09 PM »
I'm looking at buying a HELIX 9 CHIRP MEGA SI GPS G2N (410090-1) and have heard i should get the MSIDB Y (720094-1) splitter cable so i can have both the XM 9 20 MSI T (710262-1) and a 2nd cheaper 2d transducer for high speed depth readings. Can you confirm that the XNT 9 20 (710214-1) or the XNT 9 20 T (710198-1) would be the correct high speed transducer? I know the temperature wouldn't be used on the XNT 9 20 T but I have a new one laying around and if it works for this setup I would like to utilize it. Thank you.

You are correct ... any of the HB 2d xducers that use 200kHz/83kHz can be used for high speed depth readings ...

The M SIDB Y cable is not available until February (last I heard) ..

You might call HB to see exactly when it will be available ...

1-800-633-1468

Rickie
« Last Edit: January 22, 2017, 06:16:09 PM by rnvinc »

Offline Schell21

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Re: Helix 9 Mega 2nd High Speed Transducer
« Reply #2 on: January 26, 2017, 06:51:26 AM »
Rickie will I get Chirp sonar readings with this setup? Thank you.

Offline rnvinc

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Re: Helix 9 Mega 2nd High Speed Transducer
« Reply #3 on: January 26, 2017, 08:40:41 AM »
Rickie will I get Chirp sonar readings with this setup? Thank you.

CHIRP is a function of the sounder transmit pulse regardless of which xducer that CHIRP signal is pushed thru ... so you will get CHIRP with the added 2d xducer and the M SIDB Y cable ...

I would assume HB has tested CHIRP thru the stock 2d xducers because the HELIX 9, 10, 12 CHIRP Sonar only units use the stock XNT 9 20 T ...

Rickie


Offline Schell21

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Re: Helix 9 Mega 2nd High Speed Transducer
« Reply #4 on: January 26, 2017, 08:59:36 AM »
Awesome thanks.

Offline neptun

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Re: Helix 9 Mega 2nd High Speed Transducer
« Reply #5 on: May 26, 2017, 06:30:31 AM »
I have troubles to use Y cable to Helix 9 SI mega chirp transducer.
I've purchased MSIDB Y ( part number 720094-1 ) cable XNT 9 20 ( part number 710214-1) high speed skimmer transducer.

Mega transducer works perfect if I connect it directly to fishfinder but it shows really poor picture if I connect it via y cable.
I'd say picture is unreadable.
I've noticed that y cable has 6 metal mother pins for mega slot but 7th slot is empty. i.e. 7th pin from mega transducer is not assumed to transfer signal from mega transducer to the fishfinder. Is that normal?
Should y cable have 7 mother pins or 6 for mega transducer slot?

If I connect high speed skimmer to appropriate slot of y cable then the connection is "loose". In this scenario fishfinder say transducer can't be found.

I'm totally frustrated. Would you mind guys to comment.

Offline rnvinc

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Re: Helix 9 Mega 2nd High Speed Transducer
« Reply #6 on: May 26, 2017, 09:19:47 PM »
I have troubles to use Y cable to Helix 9 SI mega chirp transducer.
I've purchased MSIDB Y ( part number 720094-1 ) cable XNT 9 20 ( part number 710214-1) high speed skimmer transducer.

Mega transducer works perfect if I connect it directly to fishfinder but it shows really poor picture if I connect it via y cable.
I'd say picture is unreadable.
I've noticed that y cable has 6 metal mother pins for mega slot but 7th slot is empty. i.e. 7th pin from mega transducer is not assumed to transfer signal from mega transducer to the fishfinder. Is that normal?
Should y cable have 7 mother pins or 6 for mega transducer slot?

If I connect high speed skimmer to appropriate slot of y cable then the connection is "loose". In this scenario fishfinder say transducer can't be found.

I'm totally frustrated. Would you mind guys to comment.

There are only 6 active pin channels in the MEGA xducer (even tho there may be 7 pins)  ...

Temp/2d/right SI/DI/left SI/Drain-ground
-----

If the connection is "loose" between the 2d xducer connector and the socket of the Y cable - it sounds like the 2d connector is not being fully seated into the socket of the Y cable  ...

It takes some force to snap the connection together fully  ...

Rickie

« Last Edit: May 26, 2017, 09:25:05 PM by rnvinc »

Offline neptun

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Re: Helix 9 Mega 2nd High Speed Transducer
« Reply #7 on: May 29, 2017, 05:55:55 AM »
Thanks Rickie!

There are only 6 active pin channels in the MEGA xducer (even tho there may be 7 pins)  ...
Temp/2d/right SI/DI/left SI/Drain-ground.

But image quality is so poor after mega transducer is being connected with y cable. I don't even know what's to do with it?
Without y cable in the middle image quality is great I can see each rock structure like photo.

I have to manually switch to high speed skimmer when boat needs to run at speed.

Can I install mega image transducer 2 inches to high speed one?
What should be minimal distance between transducers that they don't interfere with each other?

Offline rnvinc

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Re: Helix 9 Mega 2nd High Speed Transducer
« Reply #8 on: May 30, 2017, 05:03:57 AM »
The SI beams reach from the water's surface to past vertical under the boat  ...

If mounting the SI xducer and an additional xducer on the transom - the 2d xducer should be close to / and higher than the SI xducer... such that the SI beam can pass under the 2d xducer housing  ...

Rickie

Offline rnvinc

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Re: Helix 9 Mega 2nd High Speed Transducer
« Reply #9 on: May 30, 2017, 05:07:40 AM »
Y cables have been reported as bad right out of the box (rare but occasionally)  ...

If your images are good without the Y cable - and not good with the Y cable = the Y cable is suspect  ...

Contact HB or the dealer you bought the Y cable from  ...

Rickie


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