Bose Lifestyle SA-1 User Manual download pdf (Page 5)

Non Bose Link Expansion

Only Bose link products can speak

the Bose link language, so how can

customers use non-Bose link

products for expansion? The secret

is in room O.

A media center under the command

of a remote set to room O will

continue to stream information to its

Bose link outputs until room O is

turned off. It does not require

constant communication back and

forth like it would in other rooms.

This enables non-Bose link products

(Bose and non-Bose) to become part

of a Bose link system.

Special adapters have been designed that convert the 9-pin Bose link connection to a

single pair of stereo RCA cables which can interface with most products. There are two

types of adapters available – a Fixed version and a Variable version. The Fixed version

taps into the two pins responsible for carrying fixed stream 2 audio (pins 3 and 4). The

Variable version taps into pins that carry a variable version of stream 2 audio (pins 1 and

2). These variable outputs enable volume control via the Bose link expansion remote, but

require the destination system to be set to maximum volume. Another disadvantage to

using one of these adapters is that the expansion room will be restricted to stream 2 audio

only since they never touch the stream 1 signal (pins 5 and 9).

Bose link enabled media centers also have the capability of interfacing with older – or

“Legacy” - Bose products that do not speak the Bose link language. An Audio option

within the System menu allows the user to switch the protocol between Bose link and

Legacy. This setting changes the type of information that is transmitted on pin 7. In this

way the media center is bi-lingual, and it enables communication with older products like

the SA1. The media center can only speak one language at a time, however, so if the

protocol is set to Legacy the media center will not be able to communicate with Bose link

expansion products.

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Bose Lifestyle SA-1 User Manual Page 5