Axium AX250i Manual de instalación y funcionamiento - Página 12

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1. Specifications

Notes:

•

Commands are used as notifications. If an amplifier is switched ON, it will notify the other devices

on the Axium Bus by sending the Standby command (01). Any amplifiers with the same zone will

take the notification as a command and also switch ON.

•

When a command is sent to an amplifier it will first be transmitted on the Axium bus and then

returned to the PC (Home automation system). If an error occurs an error will be returned

instead of the original command. The PC (Home automation system) needs to ignore its

command when it is returned.

•

Standby B commands are ignored by AX450i amplifiers.

•

A Standby A or B ON command implies that the amplifier is not muted, if the amplifier was

previously OFF. A Mute command must follow the Standby command if it is muted.

•

The 'Track zone' command tells the zone specified to follow the source selection of the "Zone to

be tracked". This does not imply that the "Zone to be tracked" will also track the Zone amplifier.

It is normal that the program setting up the zone tracking will send two commands, one to get

Zone X to Track Zone Y, and another to get Zone Y to track Zone X.

Example strings:

010801 :

Standby A ON command for Zone 8

060002 :

+2db Treble setting on Zone 0

033102 :

Tuner source selection on Zone 31

0B0311 :

Volume down continuous push on Zone 3 keypad

Keypad key codes

An Axium Keypad may be directed to emit its learnt IR commands via RS232 control.

This is achieved by sending a 'Cause key press on Keypad' command, followed by the zone, and the

Keypad key code (data).

The Keypad key code is encoded with IR string repeats. (See table below)

To terminate a continuously repeating 'Key press', command a 00 keypad key code must be sent.

Continuous

REPEATS

KEY

Stops repeating the current key

Aux

Tuner

CD Bank

Vol Up

Ch Up (2)

Random (1)

Play

Power

+ Track skip (0)

- Track skip (9)

Disc skip

Mute

Fast Forward (8)

Rewind (7)

Pause (6)

Vol Down

Ch Down (5)

Band (4)

Stop (3)