The "G"Faston 2.8mm terminal protectsagainststaticelectricity–tobe
connected toearthing.
The "HEAT"jumperservesthe switching ofboardheating.Thisfunction
requiresthe connection of 12Vsupplyon "12V"marked terminal.
The "EXPANSION"marked connectorservesthe connection ofextending
modulesbymeansofflat cable.
The "PRG"marked connectorprovidesthe guardadjustmentfromPCby
meansof serialcable(KAB) and servestothe servicefordiagnosticsandnew
softwareload.
The "SERVICE"jumperservestodirectaccess toprogramming.Itcan be
used, forexamplebyabsenceofpasswordforprogramming.
Setting voice communication –position trimmersarepresetting from
manufactureand inmajoritycaseagree with, thereforechangessetting altering
onlyinnecessary case.
Forolder version ofboard V1.x(fig.1):
The "VOLUME"trimmerservestothe adjustment ofloudspeaker
volume,it hasno effect tootherguardfeatures. The "MIC"trimmer(placed
underPDVboard)providesthe adjustmentofmicrophone volume.Such
adjustmentcan improvethe featureof speechway, e.g. byambient noiseinthe
street. Atsetting of agreatgainoftrimmer„MIC"isable tohappen, thatsound
fromspeakerdoorphone isinterrupting, nextisnecessitygainoftrimmer„MIC"
makesmaller.
Procedureof setting: trimmerSPK setting tomaximum(turntothe right),
trimmerMICon minimumand atconversation connection subscriberspeaking
(inbuilding)permanenttalk,trimmerMICturning (totheright), untilsound from
speakerbeginsinterrupt,nextgainteenyreducing (moving round aslight
amountleft).It shalleverything be allright.
Fornewer versionboard V6.x(fig.2):
Trimmer"MIC"be instrumentaltosetting loudnessofmicrophone,
trimmer"SPK"be instrumentaltosetting loudness loudspeaker. Inthisversion
isbigreserveingain,thereforeisn't recommended adjust morethan on half,
typicalisin1/3fromminimumgain.Trimmer"TRH"beinstrumental tosetting
levelsactivation ofmicrophone,it means, soasdoorphone "non whoop"owing
toacousticloop soselection,whichdirection haspriority, whetherfrom
microphone, orintoloudspeaker. Level fromwhichvolumewith"switchon"
direction frommicrophone doorphone setting trimmer„TRH".Thissetting
interact levelsurrounding noiseand setting gainofmicrophone „MIC".
Progressofsetting: trimmerMICand SPKsettingin1/4fromminimum
loudness(minimumissenseturning left),trimmerTRH setting incentral
position.Atconversation connection stillytalkand trimmerTRH turningfrom
centralvalue direction tothe left so, tillyou willon theside phone (inbuilding)
hear. Gainof loudspeaker, insomecaseofmicrophoneset-up according to
needs.
