Bose FreeSpace E-4 Specifications download pdf (Page 23)

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3.0 E4 Hardware Description

3.1 Front panel

3.1.1 Controls

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)

3.1.2 Indicators

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

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

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Bose FreeSpace E-4 Specifications Page 23