Sennheiser EM 3731 User Manual

300 100 30 1010 50 100 PEAKµV RF% DEVMHz790.80003.03BANKCHA BCOMAF300 100 30 1010 50 100 PEAKµV RF% DEVMHz790.80003.03BANKCHA BCOMAFInstructions for u

8Overview of the displayOverview of the displayReception display쐃 RF level display “RF” for antenna A쐇 Diversity display (antenna A or antenna B activ

9Indications and displaysIndications and displaysThe displays provide information on the operating states of thecorresponding receiver and those of th

10Indications and displaysAudio level display “Dev”The audio level display “Dev” 쐏 shows the modulation of the receivedtransmitter.When the transmitte

11Indications and displaysTransmitter battery status displayThe 6-step transmitter battery status display 쐊 provides information onthe transmitter’s r

12Indications and displaysLEDs for booster supply of antenna inputsThe LEDs for booster supply of antenna input AN or B S light up wheny the booster s

13Putting the receiver into operationPutting the receiver into operationFitting the device feetWhen the receiver is not installed in a rack, avoid the

14Putting the receiver into operationThe rack mount “ears” are already attached to the receiver at the factory.To mount the device into a 19" rac

15Putting the receiver into operationMounting the antennas to the front of the rackWhen rack mounting the receiver, you require the GA 3030 AM antenna

16Putting the receiver into operationMounting and connecting remote antennasUse a remote antenna (available as accessories) when the receiverposition

17Putting the receiver into operationConnecting the receiver to the mains/disconnecting the receiver from the mainsThe receiver has no mains switch. T

18Putting the receiver into operationConnecting an external word clock generatorThe receiver can digitalize the audio signal and output it via the dig

19Using the receiverWhen you are working with the “Wireless Systems Manager” software,you can use the “Spectrum Analyzer” tool to perform a continuous

20Using the receiverConnecting the headphones/adjusting the volumeThe EM 3731 single receiver features a headphone output 2. The tworeceivers of the E

21Using the receiverSynchronizing the transmitter with the receiver frequencyVia its infra-red interface, the receiver can transfer the frequency and

22The operating menuThe operating menuOverview of menusMenulevelDisplay Function of the menuUppermost menu levelTuneSetting a receiving frequency (thi

23The operating menuWorking with the operating menuBy way of example of the “Tune” menu, this section describes how to usethe operating menu. After sw

24The operating menuOperating menu of the receiversBank.ChB.Ch1.01une90.00NamCELB.Ch1.790.900MHzB.Ch5.16Tune790.800BankB.Ch1.01MHzsaveescsaveNameCELB.

25The operating menusavesaveAF Out+12ooster Clock48+12+12 dB+18+18 dB20Clock48F Out18Comm3saveescComm34844.14888.296Ext.9644.14888.296Ext.Command3lock

26The operating menu* After pressing the save button 8, the display automatically changes to the “B.Ch” menu (see page 24) –i.e. to the selected frequ

27The operating menuIP-Addr192.168.0.0splay4MAC00 11B 600 0MACAddr192.168.0.1StandOFStandbyOFFRese000MAC0 1B 6 00 0 01 Reset000savesaveescesc192.168.0

1ContentsImportant safety instructions ... 2Delivery includes ...

28The operating menuAdjustment tips for the operating menuThe following adjustment tips apply to the operating menus of allreceivers of the EM 3731/37

29The operating menuThe selected frequency bank and the selected channel are set. Thedisplay changes to the selection mode of the operating menu.Chang

30The operating menuAdjusting the squelch thresholdSquelch Both receivers are equipped with a squelch that can be adjusted via the“Squelch” menu. The

31The operating menu왘 Change the setting to “Booster Feed On” or “Booster Feed Off” byturning the jog dial7.왘 Press the save button8.The selected sett

32The operating menuexternal word clock generator is not connected or switched off), thedisplay for external word clock synchronizationB starts flashi

33The operating menu왘 Change to the setting mode of the “Command” menu.The current configuration starts flashing. 왘 Select one of the four configurati

34The operating menuNote:After the scan, the channels that are occupied or subject to interferenceare marked with a warning triangle and the text “Fre

35The operating menuReleasing channels that are used or subject to interferenceScan reset After the scan, the channels that are occupied or subject to

36The operating menuSelecting the status displayDisplay Via the “Display” menu, you can select the status display:왘 Change to the setting mode of the

37The operating menuTo automatically obtain an IP address (dynamic IP addressing):왘 Change to the setting mode of the “IP-Addr” menu.The first byte st

2Important safety instructionsImportant safety instructions1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. Follow all

38Additional informationAdditional informationHiDyn plus™ (HDP) noise reductionThe EM 3731/3732 receivers are equipped with HDP, the Sennheiser noiser

39Additional informationDiversity receptionThe receivers operate on the “true diversity” principle:A receiving antenna receives not only the electroma

40Additional informationIf a problem occurs ...If a problem occurs that is not listed in the above table or if the problem cannot be solved with the p

41SpecificationsSpecificationsRF characteristicsModulation wideband FMFrequency ranges 470–560 MHz 518–608 MHz 548–638 MHz614–704 MHz 678–768 MHz 708–

42SpecificationsOverall deviceAmbient temperature –10 °C to +55 °CRelative humidity max. 85 %Power supply 100–240 V AC, 50/60 HzCurrent consumption ma

43Accessories/spare partsAccessories/spare partsThe following accessories are available from your authorized dealer:Cat. No. Accessory502195 A 3700 ac

44Manufacturer DeclarationsManufacturer DeclarationsWarranty regulationsThe guarantee period for this Sennheiser product is 24 months from the date of

Sennheiser electronic GmbH & Co. KGAm Labor 130900 Wedemark, GermanyPhone +49 (5130) 600 0 Printed in GermanyFax +49 (5130) 600 300 Publ. 01/08ww

3Important safety instructionsHazard warnings on the rear of the receiverThe label shown on the left is attached to the rear of the device. Thesymbols

4Delivery includesIntended use of the receiverIntended use of the EM 3731 single receiver or the EM 3732 and EM 3732Command twin receivers includes: y

5The EM 3731/3732 receiver familyThe EM 3731/3732 receiver familyThe receivers of the EM 3731/3732 receiver family ensure highestreception reliability

6The EM 3731/3732 receiver familyThe receivers have seven frequency banks.Distribution of the receiving frequencies within the frequency banks 1 to 6:

7Overview of operating controlsOverview of operating controls*) The audio outputs marked with the number “1” output the audio signal of the left recei