Denon POA-3012CI - Multi-Zone Audio Distribution Power Amplifier Owner's Manual download pdf (Page 28)

Protocol

specification

The

following

three

Ca.MAND

EVENT

RESPONSE

data

forms

are

defined.

The

message

sent

to

a system(POA-3012CI)

from

a

controller(Touch

Panel

etc.)

A command

to

a

system

is

given

from

a

controller.

The

message

sent

to

a

controller

(Touch

Panel

etc.)

from

a

system

(POA-3012CI)

The

result

is

sent,

when a

system

is

operated

directly

and

a

state

changes.

*The

form

of

EVENT

presupposes

that

it

is

the

same

as

that

of

~.

**Refer

to

the

following

table

for

the

contents

of

~

and

EVENT.

The

message

sent

to

a

controller

(Touch

Panel

etc.)

from

a

system

(POA-3012CI)

if

the

'request

command'

(~?+CR(OxOD))

has

came

from

a

controller.

The RESPONSE

should

be

sent

within

200ms

of

receiving

the

~.

*The

form

of

RESPONSE

presupposes

that

it

is

the

same

as

that

of

EVENT.

Basic

specification:

The command

by

ASCII

CODE,

parameter

expression

*ASCII

CODE

which

can

be

used

is

from

Ox20

to

Ox7F:

the

alphabet

and

the

number

of

0-9,

and

space

(Ox20), some

signs,

AND

carriage

return

(OxOD)

---

It

is

used

only

as

a

pause

sign.

Command

structure:

COMMAND

+

CHANNEL

+

PARAMETER

+

CR

(OxOD)

COMMAND:

ASCII

CODE

of

2

characters

Ex.

SI

Select

Input

source

SV

Volume

setting

SO

Operation

mode

Setting

SF

Low

cut

filter

Mode

Setting

PW

system

Power

setting

CHANNEL

ASCII

CODE

of

2

characters

(00

to

12)

Ex. 09

channel

number

00

for

system

setting

PARAMETER

: ASCII

CODE

( up

to

25

characters)

Ex.

BUSL

:

function

name

BRIDGED:

operation

mode name

*Special

Parameter---

? :

for

request

command

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