Dan(NM) Posted June 3, 2018 Share Posted June 3, 2018 I was hunting today with a rain/dust cover on the Nox, in 100-101 degree temps with the sun directly overhead. After 20 minutes my audio starts cutting out and sounding erratic. I notice my screen is looking bizarre, as you can see, every icon was lit up and there was no way to see a VDI at all. My first thought was the cover was acting like a greenhouse and causing the housing to overheat. After about 10-15 minutes of taking it off, things began to look normal once again, within 30 minutes, completely back to normal. I have a Zagg cover on the screen, so, no dust cover for my machine during the summer months. 5 Link to comment Share on other sites More sharing options...
Steve Herschbach Posted June 3, 2018 Share Posted June 3, 2018 Thanks for the heads up Dan. Mine has been up into the 90s with no problem but not seen over 100 yet - will soon however. Operating Temperature Range.... -10°C to +50°C (+14°F to +122°F) Storage Temperature Range....... -20°C to +50°C (-4°F to +122°F) Charging Temperature Range..... 0°C to +40°C (+32°F to +104°F) With cover on and at 100 degrees plus direct sunlight I can see it easily getting over the rated 122F max operating temperature. 2 Link to comment Share on other sites More sharing options...
Dan(NM) Posted June 3, 2018 Author Share Posted June 3, 2018 8 minutes ago, Steve Herschbach said: Thanks for the heads up Dan. Mine has been up into the 90s with no problem but not seen over 100 yet - will soon however. Operating Temperature Range.... -10°C to +50°C (+14°F to +122°F) Storage Temperature Range....... -20°C to +50°C (-4°F to +122°F) Charging Temperature Range..... 0°C to +40°C (+32°F to +104°F) With cover on and at 100 degrees plus direct sunlight I can see it easily getting over the rated 122F max operating temperature. After it cooled down, I was unable to adjust the iron bias setting. I did a factory reset and that took care of the issue. 2 Link to comment Share on other sites More sharing options...
Norm S Posted June 3, 2018 Share Posted June 3, 2018 I was out with mine in 90+ for 4 hours the other day with no problems but I certainly keep it in mind. Great info Link to comment Share on other sites More sharing options...
Darwoody Posted June 3, 2018 Share Posted June 3, 2018 I had a similar thing happen a few weeks ago. Posted on a FB Forum: Hi all. I was out on the beach on the weekend getting to know the Nox and was chatting to a member from an MD forum for a bit. The detector was upright in front of me in the sun. After the guy left I dug a target right where we were standing (a bullet head) when I looked at the screen...it had a large oval-shaped dark spot that took up a large portion of the screen. At first I thought it was due to my sunnies but when I took them off the dark area was still there. I also noticed that all the icons/pixels were showing, even the ones that weren't active. I moved into the shade of a tree and took off the control box cover...the screen was very hot. I thought I'd cooked it but after turning it off for a couple of minutes, letting it cool down in the shade, and restarting it, everything was back to normal...phew! I should have taken a photo but it was very glarey. I spoke to a ML Technician and he advised that monochromatic LCD screens are subject to being affected like that in high heat situations. Normally, with the movement of general detecting there wouldn't be a problem, but in this case the screen was static and facing directly at the sun for quite some time. No problems since, but I don't leave the screen directly facing the sun while static. Link to comment Share on other sites More sharing options...
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