Sennheiser SK 1012 Instructions for Use - Page 11

Troubleshooting checklist Detect No function, LED3 doesnot light Possiblecauses 1. Batterydischarged 2. Batteryreversed 3. Microphonenot connected No function, LED3 lightsfaintly Acousticfeedback I Insufficientbattery voltage "HiDyn"at the receiverswitchedoff or the receiverbeing usedis not equippedwith a compandersystem. Limiteddynamics Operatingmodeswitch 6 in the "HiDynoff" setting Notransmissionalthoughthe Transmitterfrequencydoesnot matchthe receiver 1IIII transmitteris switchedon frequency Distortion 11I 1. Inputsensitivityset too high (see"Adjustingthe modulation") 2. Microphonedefective Technical data SK 1012-6 I Carrierfrequency 1frequencybetween32 and 45 MHz Frequencydrift for temperaturesbetween -10°C and + 55°C andfor supplyvoltagevariationsfrom +1O%and-30% .. better than :!: 2.5 kHz RF-outpupt owerinto dummyload1 111 radiatedpower Powerof radiatedharmonics and spurious Modulation1 preemphasis Nominalswing Peakswingin modeof operation HiDyn HiDyn+ Limiter. . . . . HiDynoff S/N ratio at inputsensitivity10 mV and HiDyn(peakswing) 10 mW1~ 1mW ~4nW FM1 50 fls :!: 8 kHz :!: 10 kHz :!: 8 kHz :!: 8 kHz > 89 dB,typ. 92 dB (DIN45500, curveA, rms) > 76 dB,typ. 79 dB (CCIR468, peak) AF-inpust ensitivityfor nominalswing. . Input impedance adjustable,max.1 mV,min.200 mV approx.40 kQ Rangeof sensitivitycontrol atl mVsensitivity .... Overloadrangeof limitingamplifier . 46 dB (typ.) 30 dBat max.sensitivity 6 dB at min.sensitivity 18 THDat nominalswingand 1000Hz . . . . Audiofrequencyresponse. . . Attenuationabovethe upper limitingfrequency .. Currentconsumption Powersupply Operatingtime in dependencefrom batterytype used Dimensionsincludingmicrophone. . Weightwith batteryand microphone Extentof delivery. ........... ~1% 40 Hzto 12 kHz+ 1dB1- 3 dB) > 18 dBI oe!. (activelow- passfilter) approx.15 mA 9 V batteryIEC6 F22 NiCd-accuapprox.5.5 h, e.g.VartaTr 7/8; alkali-manganesaepprox.32 h, e.g. MalloryMN1604 150 x 46 x 24 mm approx.226 g 1transmitter,1SZU1008 neckstrap Speciticdata tor SK 1012-7 RF-outpupt owerinto dummyload1 radiatedpower. . .. ..... Currentconsumption. ... . Operatingtime in dependencefrom batterytype used 100 mW/approx.lOmW approx.40 mA NiCd-accuapprox.1.5h, e.g.VartaTr 7/8; alkali-manganesaepprox.8 h, e.g. MalloryMN1604 Speciticdatator SK1012-9 Carrierfrequency Frequencydrift for temperaturesbetween -10°C and+ 55°Candfor supplyvoltagevariationsfrom +10% and -30% . . .. .." RF-outpupt owerinto dummyload1 radiatedpower Powerof radiatedharmonics and spurious Currentconsumption. .. ..' . Operatingtime in dependencefrom batterytype used 1frequencybetween138and 220 MHz better than :!: 3.5 kHz 50 mW1approx.30 mW ~ 50 nW approx.40 mA NiCd-accuapprox.1.5h, e.g.VartaTr 7/8; alkali-manganesaepprox.8 h, e.g. MalloryMN1604 Speciticdata tor SK 1012-90 Carrierfrequency. .. . .. . Frequencydrift for temperaturesbetween -lOGe and+55°C and for supplyvoltagevariationsfrom + 10%and -30% . . 1frequencybetween138and 220 MHz betterthan :!: 3.5 kHz 19