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 Self-activating backlight		  New Topic  Reply to Topic
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heavyduty

8 Posts
Posted - 04/02/2017 :  11:25:35  Show Profile  Reply with Quote
Background: I'm running my GMC-320 Plus from a USB power supply. The unit is securely mounted to the top front of a very heavy desk which does not shake.

Problem: Sometimes the backlight comes on all by itself. Usually it will time out according to the settings, but on occasion it just stays on. I see no logic in this behavior and wonder if the unit is starting to fail.
Reply #1

Distelzombie

Germany
202 Posts
Posted - 04/02/2017 :  14:26:35  Show Profile  Reply with Quote
Maybe if the alarm value is hit?
GMC-300E+ V4.20 with sbt-11a alpha tube

My statements are "stuff-a-hobbyist-says" and not in any way professional.
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Reply #2

ZLM

1261 Posts
Posted - 04/07/2017 :  17:28:18  Show Profile  Reply with Quote
The GMC-320 has a built-in gyroscope. It detects the vibration. So. most likely you turned on the Motion Detection in menu, and let the motion detection pointed on back light. This means once the gyro detects a vibration , it turns on the back light.

The vibration may come from the outside of the unit, or may be the click sound of the unit speaker.
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