1. Press the center button on Hero.
2. Navigate to Device Settings > Preferences > Set Brightness.
3. Use the up and down arrows to set the volume level anywhere between 1 (the dimmest) and 10 (the brightest).
1. Press the center button on Hero.
2. Navigate to Device Settings > Preferences > Set Brightness.
3. Use the up and down arrows to set the volume level anywhere between 1 (the dimmest) and 10 (the brightest).