From The Remote Control Buttons - Control 4 On-Screen Navigator User Manual

For example, use the arrows to move the highlighter to
Music and then press Select: The Music option bar is
displayed on the screen.
The arrow in the upper-right corner of this option bar
sample indicates that one or more additional options are
outside the current view area. Use the arrow keys to scroll
through all option bar options.

From the Remote Control Buttons

The System Remote Control provides additional options
for accessing the subsystems. Use either a short or long
press on the subsystem buttons on the remote control,
depending on where and how you want to view the
subsystem information.
8
A short press (a fraction of a second) on a
subsystem button displays that subsystem's
menu in the LCD display and chooses the device
to be controlled.
Try it: Quickly press the Music button to display
a music playlist in the LCD and to set the current