Sennheiser SK 1012 Instructions for Use - Page 9

Puttinginto service ~t~ A B Insertingthe batteries Installthe batteriesas shownin FiguresA and B. Importantnote:Useonly alkaline-man- ganesecellsl The maximumoperatingperiodwill dependon the transmittermodel: SK 1012-6: approx.32 hours SK1012-7/SK 1012-9 SK1012-90: approx. 8 hours Werecommendthe followingmicrophones whenusingthe SK1012as a handheld,lavalieror stand-mountedmicro- phone MKE 2012(omnidirectional), MKE4012(cardioid) pockettransmitter MKE2 R (omnidirectional)M, KE10, MKE10 R (omnidirectional), MKE40 R (cardioid) Usingrechargeablebatteriesis advanta- geouswherethe devicewill be in regular operation.Thebatteriesneed not be removedfrom the deviceif the SZL1010 chargingunit is used.Theconnectionbet- weenthe chargingunit andthe batteryis madevia chargingcontact7. The maxi- mum operatingperiodon a singlecharge will dependon the transmitter model being used: SK 1012 -6: approx.5.5 hours SK 1012-7 /SK 1012-9 SK1012-90: approx.1.5 hours Connectingmicrophones A varietyof microphonescan be connected at the 8-prongmicrophonesocket5; the choiceof microphonewill dependon the applicationin whichthe transmitteris used. The microphonemodelscited aboveare electret microphoneswhich draw their voltage supplyfrom the transmitter. Dynamicmicrophonescan alsobe connected:TheDA1012and DA1012U con- nector cablesrequiredfor this purpose are availableas accesoryitems. Socketwiring diagram ~2 'OI""'N OC , -, - -- _:6: . L, : Importannt ote:Contacts6 and 7 areto bejumpedwhenoperatingwithoutremote control;otherwisethe transmittercannot be put into service.Sennheisermicrophonessuitedfor connectionto this transmitterandthe DA1O12and DA1012U connectorcablesalreadycontainthese jumpers. 14 ~Ii Setting the operating mode Switch6 is usedto set the transmitterfor one of three operatingmodes: HiDyn Operationwith compandersystem.AGC amplifierdefeated. HiDyn+ limiter Operationwith compandersystem.AGC amplifieractivated. HiDynoff Compandersystemdefeated.AGCamplifier activated. Switchingon the transmitter / Adjusting the modulation Switchingon the transmitter Putswitch1 in its "Test" position;the greenLED3 must light.If it doesnot,the batteryis installedincorrectlyor is discharged.Thisbatterytest is to be made everytimethe transmitteris put into service. Afterthe batterytest put switch1 in position"ON". Whichoperatingmodeis right for the application? Application Operatingmode Pockettransmitter HiDyn Hand-heldl,avalieror standmicrophone HiDynorHiDyn+ limiter, if extremefluctua- tions in the acoustic pressurelevelare anticipated. Settingthe modulation Putswitch1 in its "Test"setting.Attach or holdthe microphonein the positionin which it wililater be usedand makea speakingtest.A long"E" pronouncedcontinuouslyis suitableas a test tone.Turn control4 untilthe red LED2 lightsonly brieflyduringvolume peaks.If the receiver is fitted with a deviationindicator,ad- just the sensitivityso that a deviationof 30% is readduringvolumepeaks. TheHiDynoff setting is to be selected onlywhenusingreceiverswhichare not fitted with a compandersystem. 15