Bose SA-3 User Manual download pdf (Page 26)

Setting Up Advanced Features

Amplifier mode switches

The advanced features of the Lifestyle

stereo amplifier are set up using microswitches A, B,

and C (Figure 21). The SA-3 has all three switches, but the SA-2 has only switch C.

Figure 21

SA-2 and SA-3

microswitches

Stereo or mono output (SA-3 only)

The output of the SA-3 amplifier can be set to stereo (switch A up – factory setting) or mono

(switch A down). The mono output mode feeds left and right channel audio to both the left

and right outputs. This mode is useful in situations where a stereo output isn’t feasible such

as when outdoor speakers are used in a large area.

Automatic detection of a local source (SA-3 only)

When a source is connected to the AUX INPUT jacks, you can set the amplifier to detect

when that source is turned on, thereby automatically switching the amplifier from standby

to on.

The amplifier is shipped with this feature turned off. For local source automatic detection, set

switch B up.

Single and supplemental amplifiers

If you want to cover a large area, such as an outdoor patio, requiring more than one set of

speakers, you can install additional amplifiers. See the setup for room C in “Setup guidelines

for additional rooms” on page 23.

• Leave switch C down (factory setting – single amp mode) on one amplifier and set switch C

up (supplemental amp mode) on all other amplifiers.

• Set the room code in all amplifiers to the same room code as in the remote control.

• Now, you can turn them all on and off, change their volumes, or mute them together using a

single remote control.

C 6 7 8 9

A B C 6 7 8 9

SA-2

SA-3

Switch Position Function

A Down Mono output

Up* Stereo output

B Down* Local source auto detect Off

Up Local source auto detect On

C Down* Single amp

Up Supplemental amp

*Factory setting

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Bose SA-3 User Manual Page 26