Twinhead International Corporation R15D ユーザーズマニュアル

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ENGLISH 
Chapter 1 — Introduction 
Adjusting the Volume 
You can adjust the volume 
with the volume control knob 
located below the touchpad. 
 
 
Alternatively, you can adjust 
the volume with the Windows 
volume control applet located 
on the taskbar.  
 
 
Volume 
Control Knob
 
Adjusting the Brightness 
Use the following hot key combinations to adjust the LCD panel 
brightness: 
•  Fn + F6 decreases the brightness 
•  Fn + F7 increases the brightness 
 
 
 
 
 
 
 
 
 
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