Humminbird Side Imaging Forums
General => General Discussion => Topic started by: Sakai on August 31, 2010, 07:39:57 AM
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my 898 depth shows stupid readings when i get on the plane
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I have a 898 and I had to use a 2nd transducer to get sonar reading at high speeds. My 2nd transducer is mounted on the boat transom. However, most others mount the 2nd transducer inside and shoot thru the hull. You need a "y cable" or a switch. Most use a y cable. Search the threads on parts recommendations.
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why can't the orginal transducer do the job,
my eagle dept finder had no problems at hi speed
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Probably the size of the tranducer that houses all of the individual transmitters. It is a pretty big foot print in the water.
The old 200 skimmers were only 1/6 the size.
chuck
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This is what humminbird site said when i contacted them
Are you referring to the depth readings? If this is the case, the reason for that is that the Side Imaging transducer is not made for Hi Speed travel, you will lose depth readings at about 4-5 MPH, there is
a way to maintain depth at higher rates of speed with a Hi Speed Transducer, either transom mount or in hull. This is along with your Side Imaging transducer with a y cable. I have included links
to these products on our website.
Can't wait to tell the missus i need to spend more money to get my $2500 fish finder to work properly may be i should have bought a Lowrance instead.
http://store.humminbird.cust.shopatron.com/products/313995?product_id=aad5d0add8eca26ab9f72b1f882a5b52 (http://store.humminbird.cust.shopatron.com/products/313995?product_id=aad5d0add8eca26ab9f72b1f882a5b52)
http://store.humminbird.cust.shopatron.com/products/322954/AS_SIDB_Y (http://store.humminbird.cust.shopatron.com/products/322954/AS_SIDB_Y)
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It will work at high speeds, just depends on the installation location! Mine works fine on a deep V hull at speed over 45mph.
Because the SI transdcuers are much larger, they are more succeptable to turbulence and air bubbles interfering with the sonar signal.
I have mine tilted a little forward and a little deeper than normal to get down in cleaner water. This does cause a little rooster tail, but nothing I can't live with. There are fixes for the rooster tail also.
Robert
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Robert, I have an 898 on a G3 welded alum. boat, properly set up by a dealer, supposedly, and when I get on plane I lose all depth contact until I come off plane. Any suggestions?
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jerry b,
There are no guarantees of success with any of these as aluminum boats are notorious for allowing high-speed depth readings:
- Try lowering the transducer down farther into the water.
- Try tilting the back end of the transducer downwards only a few degrees.
- Look at possibly relocating the HDSi transducer to another location on your G3. Install it where there is a cleaner (less turbulent) water flow. This may not be possible though. You can also look at using a smaller sized 2D only transducer and an AS-Si-DB-Y cable as it would be easier to install a smaller sized transducer on the transom and get high speed depth readings than it is a larger sized transducer.
- Install a Stick-On transducer (XSO-9-20-T) and AS-Si-DB-Y cable.
- Install a RadarSonics AlumaDucer inside the hull of your G3 and use the AS-Si-DB-Y cable.
- I've also seen where some have had sucess with installing a spacer piece between the transom and the transducer such that the transducer sits farther away from the transom in less turbulent water.
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can that stick on be used with the 997.
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Yes it can be used with the 997 or any other 200kHz or 200/83kHz sonar unit that we make or have made.
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Greg, Is there another stick on for the 997, because the info i have read said the XSO 9 20 T is N/A for the 997.
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jclark,
Nope, just use the same XSO-9-20-T for the 997 unit. This will only allow for 2D sonar (200/83kHz) and not Side Imaging so it is not listed on the Humminbird web site as an optional transducer – just as the XP-9-20 or XP-9-20-T transducer is not listed as it can only produce the same 200/83kHz 2D sonar. The only transducers that get listed are those that will fully function with the unit’s sonar capabilities.
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mine does not work slow must less fast , and side image is a joke . H ad a Lowrance $300 that was twice as good
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littleman,
Could you start a new thread on this and include pictures of your transducer mounting? Posting some screen snapshots of what the Si sonar looks like could also help us to help you as well.
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What about a stick on for the 987. Is it the same as for the 997?
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Mildog,
The same XSO-9-20-T can be used for the 987 (and 981) but you will only be able to use the 200kHz 2D sonar as the element inside of this transducer cannot make the lower 50kHz sonar signal. So you could use it with the 987 but you would have to set the Beam Select menu to the 200kHz setting. We do not make a 200/50kHz Stick-On type transducer.
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I misunderstood. By stick-on I was thinking you meant epoxy - stick on shoot thru hull. Is there one compatible with the 987? I see the XAP 9 20 on the website. Is this the one?
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Oh an inside-the-hull type transducer.
The XAP-9-20 is compatible but it will only allow the 200kHz sonar to work. Be aware that this is an angled ‘puck’ transducer (XAP) and is made for mounting on the inside of deep-vee hulled boats.
You would need an XP-9-74-T transducer in order for the 200kHz and 50kHz signal to shoot through the hull (inside-the-hull epoxy mount).
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I have a skeeter bay boat and I think it has at least an 18 degree deadrise. I figured the XAP may be better suited. Do I need a special cable to use both the SI ducer and the puck , or would the 2 ducer switch be better?
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The XAP would be the right transducer to use Mildog as we do not make an angled puck that uses the 200kHz and 50kHz frequencies although I do have a possible option for you to consider.
Splitter cable or Transducer Switch? This depends on how you want to use the 2D sonar. If you want to be able to use both the 200kHz and 50kHz than your only option would be to use the TS2-W Transducer Switch so that your 987 will be connected to either the inside-the-hull 200kHz only transducer or the transom mounted 50/200kHz Si transducer (see below). If you used the AS-Si-DB-Y splitter cable the 987 will be electrically connected to only the 200kHz transducer mounted inside-the-hull (it will still be electrically connected to the Si transducer on the transom but only for So sonar and water temperature) and will not be able to use the 50kHz sonar. .
The option I mentioned is to make a transducer bath or use a piece of PVC and mount the 50/200kHz transducer inside of it (see attached picture). This would allow you to use the AS-Si-DB-Y splitter cable and still be able to use the 200kHz and 50kHz sonar frequencies. This is what I would recommend doing.
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I like that other option Greg. Thanks.