Quote:
Originally Posted by Molon Labe
To go along with the PD theory, another possibility is just that you're listening at PD too long. Sonar performance is degraded above 200ft or so. (Having a mast up also increases self noise.)
Gamma values.... check out the image in TimmyG's TacMan package. If you can see that ****, then you're OK for the 688I, if not, you're not.
I'd also recommend turning the gamma up to something higher than you think you need, testing it on a seawolf's sonar, and then turning it down until you can still see the line but it's not crazy bright. The Seawolf's NB is the one with the most difficult lines. (does anyone have an image of that? I thought Fish posted a test image somewhere but I wasn't able to find it.) |
Right, although I hadn't noticed it before, a correct gamma setting is needed in order to get that second beloved line we are always looking for
Quote:
Originally Posted by Pisces
It also depends on your lighting environment/daylight reflection and if you have an LCD/TFT screen or a CRT monitor.
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I have a LG1752S flat monitor, and gamma value is at its top value in monitor setting, but not in nvidia control panel ( 50% here) .
I can see the line Molon posted, but guess some correction will enhance the view.
Cheers