3 Initialisation
Page3.7
2/Ifthesourceofthe signaltorecordhasalowinternalimpedance,youwillhavetouse twisted
cables.Ifthe impedanceishigh,youwillhavetouse screenedcables.
3/Whengatheringthegroundingfromthevariouselementstothemeasurechain,you dbetter
checkthatthereisnodifferenceofpotentialinordertoavoidanyshort-circuit.Ifthereisanydoubt,
makeameasurewithavoltmeterwithalowcharge(1kforexample)betweentheterminals.
3.5.Routinemaintenance
Theordinarymaintenanceisonlyacleaningoftheoutsideoftheappliance.Anyotheroperation
requiresqualifiedpersonnel.
Unplugtheappliancebeforeanyintervention.
Donotletwaterflowintotheappliance,inordertoavoidanyelectricaldischarge.
Regularlycleantherecorderinrespectwiththeseinstructions:
-usewaterandsoaptocleanthefrontandrearbeards
-neveruseanyproductincludingbenzineoralcoholthatwoulddamagethescreen
printings
-wipewithasoftnon-plushycloth
-useananti-staticproducttocleanthescreen.
3.6.Calibrationoftheoffsets
Youcaneasilycalibratetheinputsoftherecorderfortheoffsetsofthevoltagesandofthe
thermocouples.
Todoso:
-maketheapplianceworkfor20minutes(outsidetemperature:20to25 C)
-for EVERYinputs,linkthered"+"terminaltotheblack"-"terminal
-validateeverychannels"ON"
-pressthekeyandselecttheline ElectronicCalibration andthenthe
menukey CalibrationOffset
Whenpressingthe Confirm menukey,youwilllaunchthecalibrationprocedurethatwilllast
about10minutes.