Uniden IGO500 Owner's Manual page 31

The menu will close after a few seconds of inactivity or if you tap
The menu will also close if you initiate simple controls like muting the device. In
other cases tapping a button will open a new screen with options.
Most of these functions are shortcuts. They are accessible from the menu system.
There are more functions available than the number of buttons in the menu. In
Settings, you can choose the function of each button (page 105). The following
options are available:
Button
Master Adjusts the sound volume of the
Volume device. All sounds of the application
slider are affected.
The loudness of your software is
independent of your device settings.
When you exit navigation, the device
default settings return.
Use the switch to mute all sounds
of the device and then to re-enable
,
them again.
Tap this button to search for a Place
along your route or around your
current location if there is no route
calculated.
Description
.
Shortcut for
More / Settings /
Sound and Warnings /
Volume / Master slider
(page 103)
More / Settings /
Sound and Warnings /
Volume / Master switch
(page 103)
Find / Find Places /
Quick Search (page
52)
Page 31