Axxera AX490D Manuel du propriétaire télécharger pdf (Page 12)

Theinputlevelcontrol(gain)isusedtoobtainthe

bestpossiblematchbetweentheheadunitaudio

outputandtheamplifierinput.Beginbyturningthe

inputlevelcontrolfullycounterclockwise.Next,turn

uptheheadunitvolumecontrolaround3/4of

thewayup.Adjusttheinputlevelcontrolclockwise

until audible distortion is heard, then slightly

counterclockwisetoprovidethebestmatch.

Repeatforallinputlevelcontrols.

Thecrossoverisusedtofilteroutfrequencies

aboveorbelowacertainpoint.ChooseLPFwhen

usingtheamplifierwithsubwoofers,HPFwhen

usingwithmidrange/tweetercombinationsand

FLATwhenusingwithcoaxial-typespeakers.

Note: Choose FLATwhenusingtheamplifierin

stereo/bridgedsimultaneousmode.Inthismode,

passivecrossoversarerequired.Failuretouse

thecorrectpassivecomponentsmaydamage

theamplifierand/orspeakers.Consultaqualified

professional for recommendations.

Thiscontrolallowspreciseadjustmentofthe

crossoverfrequency.

Thiscontrolprovidesadditionalboost@45Hzwhen

usedwithsubwoofers.Adjustthiscontrolwith

caution-asimproperusecandamagespeakers!

Settingthiscontroltothedesiredfrequencywill

limitharmfulfrequenciesbelowthesettingfrom

goingtothesubwoofer(s),preventingpossible

damagefromfrequenciesthatsubwoofersarenot

designed to handle.

ThegreenLEDindicatorilluminatesduringnormal

operation(POWER)andtheredLEDindicator

isvisiblewhentheamplifierdetectsafault

(PROTECT).

Input level Control

Crossover Mode

Crossover

Frequency Control

Bass Boost

Subsonic Filter

(AX3000M,

AX4000M &

AX5000M)

LED Indicators

INSTALLATION

Configuration/Setup

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Axxera AX490D Manuel du propriétaire Page 12

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