RS232 Protocol—Continued

Data

Command

Content

Standby

00

– Standby OFF

(01)

01

– Standby ON

 

04

– Toggle

Mute

00

– Mute

(02)

01

Un-mute

 

02

– Toggle Mute

Source Selection

00

– S5

(03)

01

– S6

 

02

– S7

 

03

– S4

 

04

– S8

 

05

– S1

 

06

– S2

 

07

– S3

Volume

00

– A0 range

(04)

 

 

Bass

F4 – 0C (–12dB - +12dB)

(05)

 

 

Treble

F4 – 0C (–12dB - +12dB)

(06)

 

 

Balance

EC – 14 (Left –20dB - Right –20dB)

(07)

 

 

Send all parameters

XX – value ignored

(09)

 

 

Amplifier features

00

– Loudness disabled

(0C)

01

– Loudness enabled

Maximum Volume Limit

00

– A0 range

(0D)

 

 

Link Zone

00

– 31 zone to be linked

(0F)

FF – for no zone linking

Volume Up

XX – value ignored

(11)

 

 

Volume Down

XX – value ignored

(12)

 

 

Zone Name

Data field contains the ASCII string

(1C)

 

 

Preamplifier Volume Mode

00

– A0 range

(1D)

FF = Independent mode.

Preset Selection

All Zone function: Zone byte = FF

(1E)

00

– Default : exit preset mode

 

01

– Force “Page Preset”

 

02

– Select Preset 1

 

03

– Select Preset 2

 

04

– Select Preset 3

 

05

– Select Preset 4

 

06

– Select Preset 5

 

07

– Select Preset 6

Volume BCD Format

0 – 99 in BCD format same as Front Panel display

(26)

 

 

Notes:

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

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Integra MZA-4.7 instruction manual RS232 Protocol, Data

MZA-4.7 specifications

The Integra MZA-4.7 is a sophisticated audio amplifier designed to deliver exceptional sound performance while providing versatile functionality for audiophiles and casual listeners alike. Engineered by Integra, a brand known for its commitment to high-quality audio technology, the MZA-4.7 integrates a range of cutting-edge features that make it a standout choice for home theater enthusiasts and music lovers.

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The MZA-4.7 is equipped with advanced amplification technologies, including high-current amplification that ensures precise sound reproduction across various frequency ranges. With a power output of 100 watts per channel, it provides ample power to drive a wide range of speakers, ensuring a dynamic listening experience. The amplifier supports multiple speaker configurations, accommodating both stereo and multi-channel setups.

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