HP T250 - Manual (Page 84)

6.5.14 Volume
Use this setting to adjust the camcorder effects volume.
1. Power on the camcorder.
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2. Touch the icon or press the Menu Button ( ) then
touch the Settings icon . Touch the Volume option to
display the submenu.
3. Touch the desired option (High, Medium, or Low) to select as
illustrated below. After an option is selected, the Menu screen
will be displayed again. The default setting is Medium.
4. Touch the icon to exit the Menu mode.