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I’ve read over time lots of stories about people powering those rings and essentially having issues with too much power applied. The manual might indicate you can (I forget as it’s a long time ago I read it) but you will have issues.
The controller measures ambient temperature and humidity. It uses these to calculate the dew point which is the temperature of a surface that dew forms.
The controller will provide power to the ring while measuring the temperature of the glass with a built in sensor. It uses that measurement as a feedback to adjust the power to the ring.
You use the windows app to adjust the aggressiveness of this control if you like but the app is not needed otherwise unless you want to see the graphs or control the 12v port. You just ignore the other celestron stuff in the app if you don’t have other celestron gear (which I don’t)
Manual control of power to the heater can be a bit of hit and miss without knowing the dew point and without any idea of the approximate temperature of the glass
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