Axxent AMV-7240 MKII Руководство по эксплуатации - Страница 3

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The AMV7240 MKII features a removable metal plate on

its top - secured by six small metal screws. Parameters

of Mic/Line inputs (gain, 3-band eq, compression,

noise gate) are adjustable via the supplied adjustment

screwdriver.

Even inside a 19" rack already, the AMV7240 MKII may

be pulled to front by approx. 10 cm and all these para-

meters can be adjusted or re-adjusted.

Only authorized persons may remove the top metal plate.

❷

1. Basic settings of the amplifier (level/microphone input sensitivity)

•

Set the rotary knob VOLUME

bridge jumper

J14, AUTO ON on the basic printed circuit board (PCB) – this disables the automatic mixing function.

•

Set the level of MIC/LINE 1 on the front panel

Adjust the microphone input sensitivity with the trimmer GAIN on the PCB, so that you obtain maximum

sensitivity (gain) before acoustical feedback occurs. Under realistic speaker distance to the microphone, the limiter

light led should not light up.

Set the microphone equalizer HIGH, MID, LOW (trimmer on PCB) to the required sound under consideration

of the microphone sound characteristic and room acoustics. If necessary adjust the level to insure a safety

margin before the onset of feedback.

•

Repeat the settings mentioned before for all inputs with connected microphones.

•

The trimmer COMPR (on the mic input PCB) allows for adjusting the threshold for onset of signal compression.

•

The NOISEGATE trimmer may be adjusted for the desired threshold of the gate (gain reduction of 10 dB).

•

A subsonic filter (high pass) may be activated with the jumper SUBBASS (for example to improve

intelligibility of speech in a noisy surrounding).

•

The microphone inputs may also be used as line inputs. Deactivating of automatic mixing and compression

is done by depressing AUTO OFF for the corresponding input on the front panel.

AMV-7240 MKII

in the master section on the front panel to about line 4 from left. Pull out the

❶

❷

to max and the other inputs (2 - 5) to min.

Automatic-Mixer/Amplifier

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