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7.1 Enabling keypad operation

User interface keys for assigned sources are enabled only after

flashing the hardware. Keys for any unassigned sources are auto-

matically disabled after flashing the hardware.

7.2 Turning the system on

When the E4 hardware is in STANDBY, you can turn the system

on by pressing any key on any keypad except keys for unas-

signed sources on the Standard and Auto Volume user interfaces,

and the PAGE key on the Paging Zone user interface.

7.3 Standard user interface operation

The Standard user interface provides source selection, volume

up/down, and Mute controls.

Standard User Interface

Select LINE 1

input source

Select LINE 2

input source

Select MIC/

LINE 3 input

source

• Press 1, 2, or 3 to select the audio source connected to the

LINE 1, LINE 2, or LINE 3 input, respectively. A green LED

indicates the active source.

• Press

(Volume up) or

decrease the volume in 2 dB steps. Press and hold for continu-

ous increase/decrease. The red LED lights when either button

is pressed.

• The maximum/minimum volume setting is determined by the

min./max. level stop settings in the Output Gain control pane.

• Press

(mute) to silence the listening area. When muted, a

yellow LED flashes. Press again to restore the volume.

7.0 User Interface Operation

Volume up

(2 dB steps)

Volume down

(2 dB steps)

Mute

(Volume down) to increase or

Standard User Interface Example

WALL PLATE 1

WALL PLATE 2

ZONE OUT 1

ZONE OUT 2

ZONE 1

Speakers

59 of 80

WALL PLATE 3

ZONE OUT 3

ZONE 2

ZONE 3

Speakers

WALL PLATE 4

ZONE OUT 4

ZONE 4

Speakers