AMC iA4X125 Посібник користувача - Сторінка 6
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Operation
Front and rear panels
POWER SWITCH
Before turning on the amplifier, check all connections and turn down the level
controls. A momentary muting is normal when turning the amplifier on or off.
(Caution: Always turn on your power amplifier last, after all other connected
equipment, and always turn off your power amplifier before other connected
equipment.)
SIGNAL INDICATOR
Signal LED indicates audio signal in the amplifiers input.
PROTECT INDICATOR
After powering on amplifier protection LED starts illuminate and goes off after
few seconds if the amplifier is not damaged.
CHANNEL INPUT
This is balanced XRL line level audio input. Gain of this input can be adjusted by
using gain control knob.
INPUT MODE
Dual mode: all amplifier outputs work independently.
Single mode: allows two channels operate in parallel with same signal. In this
mode two channel inputs are internally connected.
04
USER MANUAL
iA 4X125 Installation amplifier
FILTER SWITCH
Reduce low and high audio frequencies at 200 Hz and 10 kHz points by -3dB.
OUTPUT CONFIGURATION INDICATOR AND OUTPUT MODE SWITCH
Amplifier output can be configured for 4Ω, 70V and 100V audio system by using
switch in the rear panel. LED indicators on the front panel indicate the selection.
AMPLIFIER OUTPUT
Use this connector to connect amplifier to the loudspeakers. Please take
attention to the loudspeakers impedance and select corresponding output
configuration by using output configuration switch. Please note: incorrect
output configuration can damage loudspeaker or amplifier!
MAIN POWER CONNECTOR
This connector is designed for connecting main power to the amplifier.
Connector is combined with fuse holder.