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アンプ Bose FreeSpace E4 Series IIのPDF オーナーズマニュアルをオンラインで閲覧またはダウンロードできます。Bose FreeSpace E4 Series II 16 ページ。 Business music system
Bose FreeSpace E4 Series II にも：オーナーズマニュアル (18 ページ), クイック・スタートアップ・マニュアル (4 ページ), オーナーズマニュアル (15 ページ), オーナーズマニュアル (33 ページ)

STANDBY – The STANDBY button switches the unit

between standby and active. The color of the LED above the

switch indicates the status:

Amber = Unit is in standby

Unlit = Unit is active

USB – A USB communications port (for future use)

SYSTEM STATUS – The SYSTEM STATUS LED indicates the

condition of the unit:

Green = Normal operation

Red = Fault condition

AMP OUTPUTS – These LEDs work in pairs (1 and 2, 3 and

4) and indicate the operating status of the four amplifier output

3.0 E4 Hardware Description

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channels:

Green = Normal operation

Red = Fault condition

Unlit = No signal

AUDIO SOURCES – These LEDs indicate the operating

status of the four input sources:

Green = Good signal

Amber = Low signal

Red = Signal clipping

Unlit = No signal

DIRECT INPUT – The color of this LED indicates the condi-

tion of the source connected to the DIRECT IN/CONTROL con-

nector on the rear panel.

Amber = Active bypass

Unlit = Normal operation