AMC iComC 2x20 Benutzerhandbuch - Seite 7

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Operation

Functions

ON/OFF BUTTON

Switch amplifier ON or OFF

STEREO/BRIDGE MODE

There are 2 modes of operation: stereo and bridge. Only use this switch when

the amplifier is turned off

Stereo mode: both amplifiers channels work independently.

Connected loudspeaker impedance should be at least 4 Ω.

Bridge mode: combines both channels to drive a single loudspeaker.

Connected loudspeaker impedance should be at least 8 Ω.

INPUT SELECTOR

Select one of tree available audio inputs: Line 1(3,5 mm stereo Jack connector),

Line 2 (Stereo RCA connector), Mic (Phoenix connector). Selected input is

indicated with a corresponding LED.

LEVEL INDICATOR

Displays level of a selected parameter.

Volume level can be adjusted in 64 steps from 0 to 63.

Treble and bass levels can be adjusted in 15 steps from -7 to 7.

Balance adjusting limits from L9 to R9.

USER MANUAL

iComC 2X20 Communication Amplifier

LEVEL ADjUSTMENT kNOB

Push LEVEL button to select between volume, treble, bass and balance.

To adjust selected parameter, turn LEVEL knob.

After 3 sec. of inactivity, amplifier selects volume parameter by default.

RS-232 INTERFACE

D-Sub 9-pin connector for serial interface.

DIP SWITCH

Turn ON or OFF functions: loudness, limiter, Mic input phantom power.

BALANCED MIC INPUT

Connector for dynamic or condenser microphone.

If a condenser microphone is used, switch ON phantom power (+24 V DC).

LINE INPUTS 1 & 2

Stereo line level audio inputs. Input 1 is 3.5 mm TRS, input 2 is stereo RCA.

OUTPUT CONNECTOR

Phoenix type connector for loudspeakers.

Stereo and Bridge mode wiring is marked on the amplifier panel.

POWER CONNECTOR

DC 24V 1.5A power supply input.