ViewSonic NMP309-W User Manual page 27

Brightness Level
The default brightness is set to maximum, and it can be adjusted in the Display
settings.
1. Click on the Advanced button. The advanced configuration menu will be
launched. (Fig. 2.6.1)
2. Click on the Display/sound button, and then click on Display. The
Display Settings page will be launched. (Fig. 2.10.1)
3. Click on Brightness Level.
4. Drag the gear toggle to adjust the brightness. Click on OK to
save the configuration.
(Fig. 2.10.4)
(Fig. 2.10.5)
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