Are you in very shallow water when it flashes the depth or does it do it all the time?
From looking at the manual http://www.uniden.com/pdf/QT206om.pdf it would appear that it should only flash if there is a problem with the sensitivity adjustment but then it should only flash a specific number and not the correct depth.
Is there any chance you have the alarm set and it's causing the screen to flash?
05-26-2010 12:17 PM
Uniden QT206 depth finder
I have this unit on my new to me boat. I have the user manual and I have read it (most of it anyway). The unit is flashing the correct depth but it is flashing. I've read that a flashing 0.0 is sign of a defective unit but flashing the correct depth? I don't think it should flash. It will only be used as a back up because I have a Garmin model to install but I would like it to work properly anyway.