Hi Capt Doug!
The T3 is a hoseless Air-Integrated computer. As such, your first stage regulator is connected to the computer via a low power radio transmitter. There are a number of known factors that can affect all hoseless transmitters of this type.
The position of your arm can affect reception. The transmitter is directional. If you were to reach down to adjust a fin strap, you could lose reception for a second.
Use of flash cameras is also a known error causing problem.
Keep in mind that the loss of signal is only momentary and does not have any affect on the safety features of the unit. Dive time, air use prediction, nitrogen uptake, preset dive maximums, etc. are all unaffected.
My personal experience with the T3 shows that over literally hundreds of samples taken in a single 40 minute dive (I have mine set to record data every 15 seconds), the most lost signals I have ever seen was 5. Your experience seems to be somewhat more, but as I said, all hoseless DCs have this issue to some extent.
On the other hand, I have one less hose coming out of my 1st stage, no console hanging, and everything I need on my wrist in a big, easy to read format.
The software that comes with the unit is pretty useless, but my wife has a Sherwood Wisdom, a hosed AI computer. It came with the same software.
The question really is do you want a hoseless AI computer? Only you can answer that one!