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but on the Marcum vx-1, either IR channel he turned to wasn’t doing the trick. Every 5-10 seconds their would be that loop of signals going around the screen if you know what i mean.
If you were getting the loop you were close to tuning out the other units. Sounds like the gain may have been set a little to high. You should easily be able to tune out those other units, even with the VX-1.
The LX-3tc has more levels are IR and will easily tune those units out, even if you put them all down the same hole. Make sure you don’t have your gain turned to high. You want to use the minimal amount of gain to get the job done. You will be getting A LOT more flasher with the LX-3tc besides more levels of IR. You increase in power will make a big difference, as power is truely what makes the IR perform. In addition, you will get an adjustable zoom so you can zoom anywhere in the water column.
Wade at http://www.jollyann.com was running an IDA special on his LX-3tc and LX-5 units so make sure you check with him before you buy.