DFF1-UHD Transducer Compatibility

Atomck1

New member
Setup: 2- TZTL12F’s and a DFF1-UHD.

I have a boat that has 2 existing Airmar transducers:
B175L (40-60kHz) “X-ID, Chirp transducer, 20 deg tilt”.
B175H-W (150-250kHz), “X-ID, Chirp transducer, 20 deg tilt”.

I’ve read the operators manual and searched the internet but cannot find information about the compatibility of these transducers with the DFF1-UHD.

Are they compatible?
Can both transducers be connected to the DFF1-UHD?

If only one can be connected, which one would you use for best performance while searching for pelagic’s in 200-400 feet of water?

How would I setup the transducer in the program?

Thank you.
 
Atomck1,
They will work.
Just don't connect the Orange TID wires and program the UHD for using a B-275.
Also know that ACCU-FISH and the Bottom Discrimination mode probably won't work correctly as the UHD was designed around the 265 for those features

Snips
 
Thank you Snips.
The wiring diagram in the OP manual shows the wiring from a single (dual-beam) transducer.

From what I’ve gathered I should wire the B175H-W to the “XD-HI” terminals of the DFF1, (TB3 #’s 1, 3 & 4)
and the B175L to the “XD-LO” terminals, (TB3 #’s 5, 6 & 8).

Is this correct?
 
Atomck1,
Correct.
The HF side should be Blue (1), Shield (3) and Black (4).
The LF side should be Black/white (5), Shield (6) and Blue/white (8).

Snips
 
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