Dolby Laboratories DM100 Uživatelský manuál stáhnout pdf (Strana 60)

Dolby

DM100 User’s Manual

5-1

Chapter 5

Reference Information

5.1 Data Transfer

Connect the RS-232 port on the front of the DM100 to a

computer using the cable provided. The RS-232 serial interface

is used for:

• Test bitstream loading.

• Data logging. Status information can be transferred from

the DM100 via a terminal program. The status

information is transmitted in the form of text messages

that can be read on the terminal display.

• Firmware upgrades.

Test Bitstream Loading

Test bitstream loading is accomplished using the Gen Control

setup menu. Press the [Setup] button, then use the [Down]

button to step to the Gen Control menu. See Section 4.2 for

more information. The table at the end of this section lists

possible error messages. Test bitstreams are loaded at a fixed

data rate of 115.2 kbps.

Data Logging

This function can be used for long-term data recording. Any

standard terminal program may be used on the computer. The

logged data is in this order: time, parameter, and value. The

logged time is the elapsed time since the DM100 was last

switched on. A fixed set of parameters is always logged (input

format, errors, etc.). One additional parameter may be logged by

navigating to the status screen that contains that parameter.

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Dolby Laboratories DM100 Uživatelský manuál Strana 60