Dolby LM100 Broadcast Loudness Meter User's Manual

Chapter 4
Menus
This chapter explains how to navigate through the Dolby ® LM100 menus. It also provides
a detailed description of the status menus and the main setup menu.
The material includes:
• Menu Basics
• The Status Menus
• The Main Setup Menu
4.1 Menu Basics
The front‐panel screen displays status menus that show the current measurement and
settings, and setup menus that control the unit functions.
The status menus and main setup menu are separate structures. To view the main setup
menu when a status menu is displayed, press Setup. To view a status menu when a setup
menu is displayed, press Shift followed by Setup.
Note:
If you do not press a front‐panel button within the interval set on the Screen
Saver Timeout setup menu, the LM100 displays a screen saver that inverts the
display. Pressing any front‐panel button returns the screen to normal.
4.2 The Status Menus
The status menus display the current measurement values and active settings for a
selection of setup parameters and the condition and content of input signals.
The main status screen shows the current measured loudness value and information
regarding the input stream status.
You can display additional input stream status information by pressing the •and •
buttons to scroll through the other status menus.
4.2.1 Main Status Screen
When you power on the LM100, the main status screen appears.This is the most important
LM100 screen, showing the measured loudness values. This screen is usually divided into
three sections, although one display option divides the screen into two sections. Examples
of the main status screen receiving a Dolby Digital bitstream appear in Figure 4‐1,
Figure 4‐2, Figure 4‐3, and Figure 4‐4.
Dolby ® LM100 Broadcast Loudness Meter User’s Manual 17