User's Manual
Setting Up the MRX920 Unit
MRX920/MTX950 User’s Manual 3-13
Volume
The volume for the beeper setting can also be controlled:
• Press
FN + F8—decreases the volume.
• Press
FN + F9—increases the volume.
• Press
FN + F10—toggles the volume mute on or off.
You can also adjust the volume with the Windows volume control
feature, which is located on the taskbar and looks like this .
Adjusting the volume using the function keys produces only a slight change with each
press. It may take several presses to increase or decrease the volume to the level that
you want.