Question about Uniden Depth Sounders UNDQT206WHP ()

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Need connections for the uniden qt-206 um200f to connect the wires to a airmar p79 tranducer

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The P79 connects to the QT 206 as follows.
Red and black are side-by-side (red on the left) while the shield connects below the red. In case anyone requires it, here is the link to the QT 206 owners manual.

Hope this helpful

Posted on Mar 16, 2015


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Posted on Jan 02, 2017

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SOURCE: Whta fluid do I put in a QT-206 transducer base wh...

You can use mineral oil, baby oil, I recommend the environmental friendly (pink) antifreeze.

Posted on Jun 14, 2010

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I need to wire up the fuse box for 206 year2010

Thats not very difficult, locate the mounting bolts, remove the box and continue to removed the connecting wires.

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You'll need three wires connected.
The green is the signal from the ducer, the red provides power to the ducer and the bare wire is common ground. See the link I've provided for more info.
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Airmar makes almost all of the transducers for Raymarine. From the Airmar FAQ section, your unit is listed. See the link below. Pretty much any marine chandler or Raymarine dealer should be able to order it for you.

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What is the replacement transducer for uniden QT206

Just about any marine chandler should be able to source one of these for you. They're made by airmar who pretty much make all marine ducers now. Here is the link to just one place you can order it.


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1 Answer

My Fishfinder 300C suddeny does not detect the depht anymore, all oher function are still working, please help!

First do this. From the Home screen, Seelct Full Screen > Menu > range. Use ROCKER to set the depth scale, and see whether the depth is displayed or not. If not check the transducer for fault. Check for voltage goint to it.
Use a test light or voltmeter to determine the polarity of the voltage source.
Connect the red (+ or positive) wire to the positive voltage terminal.

If you use the fuse block on the boat, route the positive connection
through the fuse
Connect the black (- or ground) wire to the negative voltage terminal.
Install or check the 3A fuse (on the fuse block or in the in-line holder).

Align the notches on the cable plug and on the back of the Fishfinder 300C. Insert the cable into the connector, and turn the locking ring
counter-clockwise until it stops.
If htese all are correct and voltage is there at the tranducer end, the tranducer is faulty, and should be replaced. OK

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1 Answer

Whta fluid do I put in a QT-206 transducer base when mounting it inside a fibergalss hull ? I had heard baby oil ...

You can use mineral oil, baby oil, I recommend the environmental friendly (pink) antifreeze.

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1 Answer

Wiring problem

peugeot complicated their wiring alternately how old is the 206 if it is early then u need to connect both lives to permanent live on car if it is a late 206 then switch the lives

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Unit showing 88.8 in the LCD window.

Hello geld1. Your problem is the transducer, cable or connector. Check transducer with an ohm meter, flex the cable while ohming the restance shouldn't change. The location and mounting of the transducer could be the main problem. Use the the correct gel film including a secure postion support.

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