Imagine Videotek LLM-1770, Инструкция по установке и эксплуатации

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Chapter 4
Setup Menu Functions
42
Menu Selection Descriptions

Mode : This selection is used to select the desired display mode.

ATSC A/85 : This selection allows the user to select a display mode that follows
ATSC recommended practice A/85.

EBU R 128 : This selection allows the user to select a display mode that follows EBU
recommendation R 128.

ARIB TR-B32 : This selection allows the user to select a display mode that follows
ARIB standard TR-B32.

Custom : This selection allows the user to select a display group that matches the
user’s in-house standards.

Units : This selection is used to determine the type of scale that appears on the
Loudness display.

LKFS/LUFS: This selection allows the user to select Loudness K-weighted Full Scale.

LU: This selection allows the user to select Loudness Units.
The ATSC A/85 Display and Setup parameters are shown only when the Mode parameter
“ATSC A/85” is selected.

ATSC A/85 Display : This selection allows the user to select a display mode that follows
ATSC recommended practice A/85. Selections are Program, Loudness Integration Time,
Maximum True Peak, and Range.

ATSC A/85 Setup : This selection allows the user to set up ATSC A/85 display
information as chosen in the ATSC A/85 Display parameter.
Custom Setup
1
Program Use Relative Gating On*
Off
Relative Gating Value -10 to -6 Rel (-10 Rel*)
Loudness Integration 1 Second to 60 Seconds (3
Seconds*)
Max hold time 1 Second to 60 Seconds
Infinite*
Range Use Relative Gating On
Off
Relative Gating Value -22 to -18 Rel (-20 Rel*)
Target Loudness Level -31 to -1 LKFS (-23 LKFS*)
High Level Above 0 to 10 LU (1 LU*)
Low Level Below 0 to 10 LU (1 LU*)
Absolute Gating -70* to -50 LKFS
1
This menu selection is dynamic and is affected by the particular mode selection. Depending on the selected mode (ATSC A/85, EBU R 128, ARIB TR-B32,
or Custom), only one of the selected mode’s setup and displays menus will be shown as a menu selection. When you are in a specific mode you can only
adjust the parameters associated with that particular mode. In addition, When you change a loudness mode’s parameter, the High Level Above and Low
Level Below target alarm parameters change also.
Table 4-5 Loudness Display Setup Menu (Continued)
Selection Option Selection Option Selection Option Selection Option