When your Wacom One 12 is on, the power LED stays dim white; the LED turns off when your device is off. The LED blinks slowly while your device is standby or is in power saving mode.
Same with TITAN comment. FYI for detail behavior.
Display ON |
ON |
Display Standby/Sleep |
Breathing (maximum brightness: 50%) – see below 15.1.3 |
Display OFF |
OFF |
Pen input active |
ON (Brightness 100%) |
Pen input de-active |
OFF |
Low power |
Blinking fast. |