Using The Mode Button; Adjusting Screen Brightness; Adjusting The Volume - TAG GD3015 User Manual

4.1.7 Using the Mode Button
When mode i s enabled, press ìS1î and ìS2î to a djust t he brightness s etting.
4.1.8 Adjusting Screen Brightness
1. Ensure mode i s enabled.
4.1.9 Adjusting the Volume
1. Tap the Volume i con o n the system t ray.
2. Move t he slide t o a djust v olume.
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TAG GD3015 Edition 1: F ebruary 2013