2 display, 3 display leds – Dolby Laboratories DP572 User Manual

Page 22

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Dolby E Multichannel Distribution System User Manual

Introduction

1-10

1.4.2

Display

The display is a 2-line by 16-character alphanumeric display with green LED back-
lighting. The contrast can be adjusted by pressing Shift +

↓↓↓↓. Use the arrows to set the

contrast.

During normal Dolby E encoding, the DP571 displays the Program Config,
frame rate, and the output data width.

During normal Dolby E decoding, the DP572 displays signal type (PCM or
Dolby E), Program Config, frame rate, and the input data width.

1.4.3

Display LEDs

Output/Input Data
The DP571 displays the Output Data width. At version 1.05, only the 16- and 20-bit set-
tings are valid. The DP572 displays the Input Data width for the incoming Dolby E stream.

Note: A 24-bit version will be available in the future.

Dolby E Program Config
The DP571 displays the current encoding Program Configuration on one of eight LEDs.

The DP572 displays the Program Configuration on one of eight LEDs for the incoming
Dolby E stream. The LEDs are disabled if the input is PCM audio.

The LEDs are mutually exclusive. The seven most common Program Configs have their
own LEDs; Other denotes any of the other 15 Program Configs. See Section 3.2.1 -
Program Config
for a complete listing.

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