Cloud CDI-S100 설치 및 설정 매뉴얼 - 페이지 7

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CDI-S100 Serial Interface Card

CLOUD ELECTRONICS LIMITED

5.2 The Destination Field

The destination field is an abbreviated description of the mixer section the command is intended to effect.

In the CX462, there are three possible destinations, the module itself, the microphone channel and the

music channel. Destination field values are:

Music:

Microphone:

Module:

Where there is the possibility of multiple destinations, such as the CX462 microphones, a sub-destination

is appended to specify the number of the destination. A dot is used to separate the destination from the

sub destination, e.g. 'MI.3' addresses microphone 3.There are four individual microphones numbered 1

to 4. Individual microphones can only accept 'Mute' and 'Open' commands.

The destination field is at the start of the message, immediately after the header character ("<"). There

should be no whitespaces or other characters between this field and the header character.

DESTINATION

<MU,LA20/>

The destination indicates which section the module should act on. In this example the music section

is identified.

5.3 The Command Field

A command field identifies the command to be performed, followed by any parameters, if required.

In the case of the 'Mute' and 'Open' commands, 'M' and 'O', no parameters are required, since the

purpose is just to set the mute or open state .

The other commands set a parameter for the source or level on a particular channel. Three command

types are available to do this, Absolute ("A"), Up ("U") and Down ("D"). For source select commands,

only the absolute command requires a value; for level commands all command types require a

parameter. Using the absolute command type sets the appropriate parameter to that value. The range

of possible values are:

Level: 0-180 where 0 is the highest gain setting.

Source: 0-6 where 0 is off and 1-6 specify line inputs.

The Up and Down command types will require a value only if the parameter being changed is a level

control. The value denotes the number of half dB steps that the level should be changed by. It is

important to note that the level value represents a gain reduction so a step down in the level parameter

will increase the audible output.

The command field is separated from the destination field by a comma, which it should immediately

follow.

<MU,LA20/>

The command field identifies the action to be performed by the module. In this example, a level

control is being executed.

Setup And Installation Guide

COMMAND