Bose SoundTouchSA-4 Amplifier Owner's Guide - Page 29

Appendices Appendix A: SA-4 amplifier connector panel AC POWER VCA ROOM CODE switches BoseLink OUTPUT connector BoseLink INPUT connector SPEAKER OUTPUTS Indicator Connector Description AC POWER AC power cord connector. Power is applied when the power cord is inserted and plugged into an AC (mains) outlet. There is no on/off switch on the SoundTouch™ SA-4 amplifier. VCA Local volume control connector. Allows you to control the volume using a wall-mounted control. Contact your Bose dealer or call Bose customer service for information on installing this feature. See the contact list enclosed in the carton. SPEAKER Left and right speaker outputs. Connect only unpowered speakers. A OUTPUTS 6-ohm minimum load is required. To determine the correct speaker wire size, see "Speaker cable recommendations" on page 27. ROOM CODE switches Only switch A is used for SoundTouch™ systems. The output of the SoundTouch™ SA-4 amplifier can be set to stereo (Switch A up) or mono (Switch A down). The mono output mode feeds left and right channel audio to both the left and right outputs. This is useful in situations where a stereo output isn't feasible such as when outdoor speakers are used in a large area. The remaining six switches should remain in the default configuration: Switch B Switch C Switch 6 Switch 7 Switch 8 Switch 9 Down Down Down Down Down Up Indicator BoseLink INPUT BoseLink OUTPUT The green indicator shows the operational state of the SA-4 amplifier. See "SoundTouch™ SA-4 amplifier indicator" on page 19. Used for connecting the SoundTouch™ wireless adapter to the SA-4 amplifier. Not used. English - 29