Nextar SNAP3 - Manual (Page 20)

Global Positioning System
10
System Volume Control
To Increase or decrease the volume, you can
press the Volume Up Key or the Volume
Down Key .
Whenever pressing the Volume Up Key
or the Volume Down Key , you will see the
system volume scale right below on the
screen.
Hold Key
To prevent you from operation by mistake, you
can press the hold key , even before putting
the product in your pocket.
Whenever pressing the hold Key , you will
see the small lock icon on the screen.