Dolby Laboratories LM100 Manuals

Manuals and User Guides for Dolby Laboratories LM100. We have 1 Dolby Laboratories LM100 manual available for free PDF download: User Manual

Dolby Laboratories LM100 User Manual (56 pages)

Broadcast Loudness Meter

Brand: Dolby Laboratories | Category: Measuring Instruments | Size: 0 MB

Corporate Headquarters
2
European Headquarters
2
Regulatory Notices
3
Important Safety Instructions
3
Table of Contents
7
List of Figures
9
List of Tables
11
Chapter 1 Introduction
13
LM100 Front and Rear Panels
14
LM100 Configurations
14
Chapter 2 Getting Started
15
Unpacking and Inspection
15
Safety Information
15
Mounting
16
Rear-Panel Connections
16
Analog Inputs
16
Analog Outputs
16
Figure 2-1 Rear-Panel Audio and Data Ports
16
Digital Inputs
17
Remote RS-485
17
Alarm
17
Gpi/O
17
Ntsc
17
Ltc
17
Power
17
Internal Fuse
18
Using the Default Measurement Display
18
Figure 2-2 Default Measurement Display Example
18
Using the Dialogue and All Display
19
Installing the Remote Software
19
System Requirements
19
Figure 2-3 Dialogue and All Display Example
19
Installing the Software
20
Hardware Connection
20
Configuring the Unit for Remote Operation
20
Beginning and Ending Remote Operation
20
Starting the Universal Remote Software
21
Figure 2-4 Universal Remote Main Screen
21
Chapter 3 Front-Panel Controls
23
Button Functions
23
Navigation Buttons
23
Figure 3-1 LM100 Front Panel
23
Special Function Button Combinations
24
LED Indicators
25
Table 3-1 Special Function Button Combinations
25
Table 3-2 Error Conditions and Indicators
25
The RS-232 Connection
26
The Headphone Connection
26
Chapter 4 Menus
27
Menu Basics
27
The Status Menus
27
Main Status Screen
27
Figure 4-1 Main Status Screen Receiving a Dolby Digital Stream in Default Mode
28
Figure 4-2 Main Status Screen Receiving a Dolby Digital Stream in Leq(A) Mode
28
Figure 4-3 Main Status Screen with no Input Signal
28
Figure 4-4 Main Status Screen When Receiving a Dolby E Stream
28
Figure 4-5 Main Status Screen When Receiving a PCM Signal
29
Figure 4-6 Main Status Screen When Receiving an Analog Signal
29
Figure 4-7 Main Status Screen When Receiving an RF Signal
29
Measurement Timer
29
Measurement Displays
29
Figure 4-8 Main Status Screen Displaying a Recommended Dialnorm Setting for an Analog Input
31
Units of Measurement
31
Level Meters
31
Figure 4-9 Level Meter Displaying a Dolby E 7.1 Input
31
Metadata Status
31
Digital Input Status
32
Error Statistics
32
Alarm Statistics
32
System Log
33
System Status
33
The Main Setup Menu
33
Measurement Control
33
Input Control
34
Analog Input Calibration
35
Table 4-1 Common Reference Levels
35
Monitor Control
36
Alarm Control
36
Table 4-2 Input Clipping Alarm Parameters
37
Table 4-3 over Level Alarm Parameters
38
Table 4-4 under Level Alarm Parameters
38
Table 4-5 Dialnorm Threshold Alarm Parameters
39
User Presets
40
Figure 4-10 Save Preset Menu
40
Figure 4-11 Save Preset Prompt
40
Figure 4-12 Preset Confirmation Message
40
System Log
41
System Settings
42
Screensaver Timeout
43
Chapter 5 Features
45
Measuring Equivalent Loudness
45
Measuring Digital Sources
46
Measuring Analog Sources
46
Measuring RF Modulated Sources
46
Dialogue Intelligence
46
Measurement Methods: Short Term Vs. Infinite Term
47
Figure 5-1 Listening Icon Display before Dialogue Intelligence Computes
47
Figure 5-2 Short Term Measurements
48
Figure 5-3 Short Term Dialogue Level History Example Using LM100 Logging Features
49
Table 5-1 Application Examples for Short Term and Infinite Term Measurement Methods
49
Channels for Measurement
50
Alarms
50
Table 5-2 Available Alarm Types
50
System Log
51
Table 5-3 Alarm Output Port
51
Serial Ports
52
Figure 5-4 System Log Status Menu
52
Figure 5-5 System Log Entry Detail Display
52
GP I/O Port
53
NTSC Model
53
LTC Model
53
Table 5-4 GP I/O Port
53
Appendix Lm100 Specifications
55

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