Sennheiser EM 3731-II - ANNEXE 583 Скачать руководство пользователя страница 47

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Specifications

RF characteristics

Modulation

wideband FM

Frequency ranges

Range 1 (L):

470 to 638 MHz

Range 2 (N):

614 to 798 MHz

Range 3 (P):

776 to 960 MHz

Receiving frequencies
(per receiver RX 1 or RX 2)

6 frequency banks with up to 59 factory-preset frequencies each,
1 frequency bank with up to 60 freely selectable frequencies (tuneable in
5-kHz steps)

Switching bandwidth

up to 184 MHz

Frequency stability

≤

±2.5 ppm

Receiver principle

true diversity

Sensitivity
(with HDP, peak deviation)

typ. 1.5

V at 52 dB(A)rms S/N

typ. 15

V at 115 dB(A)rms S/N

Adjacent channel rejection/
spacing

typ. 75 dB/±400 kHz
typ. 80 dB/±800 kHz

Intermodulation attenuation

≥

80 dB

Blocking

≥

80 dB

Squelch

13 steps (0 … 30

Antenna inputs

2 BNC sockets (50

)

Daisy chain outputs

2 BNC sockets (50

)

amplification: 0 dB ± 0.5 dB (related to the antenna inputs)
184 MHz typ. bandwidth (range)

AF characteristics

Compander system

Sennheiser HiDyn

plus

™, DSP-emulated

AF bandwidth

40–20,000 Hz

Latency

≤

1.9 ms

Nominal/peak deviation

40 kHz/

56 kHz

Signal-to-noise ratio
(1 mV, peak deviation)

≥

118 dB(A) at +18 dBu/+4 dBu(AF Out)

THD (nominal deviation, 1 kHz)

≤

0.3 %

AF output voltage
(peak deviation, 1 kHz

)

+18 dBu to –10 dBu, adjustable in 1-dB steps (transformer balanced)

AF output sockets

1 XLR-3 socket per receiver, 2 XLR-3 sockets per EM 3732-II COM receiver

Headphone output

2 x 100 mW at 32

internal impedance

short-circuit proof

Содержание EM 3731-II - ANNEXE 583

Страница 1: ...Instruction manual Istruzioni per l uso Notice d emploi Gebruiksaanwijzing Bedienungsanleitung EM 3732 II Command EM 3732 II EM 3731 II Instruction manual...

Страница 2: ...ternal word clock generator 18 Connecting the receivers to a PC via Ethernet 19 Using the receiver 20 Switching the receiver on off 20 Connecting the headphones adjusting the volume 20 Deactivating th...

Страница 3: ...receptacles and the point where they exit from the apparatus 11 Only use attachments accessories specified by the manufacturer 12 Use only with the cart stand tripod bracket or table specified by the...

Страница 4: ...s device ask the service technician to perform safety checks to determine that the device is in safe operating order Danger of hearing damage due to high volumes This is a professional receiver Commer...

Страница 5: ...ncludes having read these instructions especially the chapter Important safety instructions on page 2 using the receiver within the operating conditions and limitations described in this instruction m...

Страница 6: ...for daisy chaining up to eight receivers DSP based audio expander HiDyn plus HDP AES3 digital audio output External word clock synchronization of the digital audio output Audio output level can be set...

Страница 7: ...frequencies can be freely selected within the switching bandwidth 2 max 60 CAUTION Risk of reception interference If within the receiver s frequency range transmitters transmit on channels from diffe...

Страница 8: ...II COM twin receiver or 1 EM 3732 II twin receiver or 1 EM 3731 II single receiver 3 mains cables with EU UK and US plug 2 BNC antenna daisy chain cables 50 1 BNC word clock daisy chain cable 75 4 de...

Страница 9: ...pt EM 3731 II single receiver A Infra red interface B Display for external word clock synchronization C button backlit B Rear panel D 3 pin mains socket E LED for LAN data transmission F RJ 45 socket...

Страница 10: ...z appears when the frequency is displayed 6 step transmitter battery status display Command display status display for the audio outputs AF and Command EM 3732 II COM twin receiver only Display for th...

Страница 11: ...menu see Adjusting the squelch threshold on page 32 If the squelch threshold is not reached for 20 minutes the display goes off see page 9 Diversity display The receivers operate on the true diversit...

Страница 12: ...current receiving frequency in MHz Display for the current frequency bank and channel or the name The display for the current frequency bank and channel or the name shows depending on the selection m...

Страница 13: ...When AF lights up brightly the audio signal is available at the audio output K and or M When AF does not appear the audio signal is not issued on the audio output K and or M When COM lights up bright...

Страница 14: ...g operation the ambient temperature the mechanical loading and the electrical potentials will be different from those of devices which are not mounted into a rack The ambient temperature within the ra...

Страница 15: ...signals to further receivers see Daisy chaining receivers on page 16 Connecting the antennas to the rear of the receiver The supplied antennas can be mounted quickly and easily and are suitable for a...

Страница 16: ...ack mount ears 1 from the rack Guide the BNC cables through the holes in the rack mount ears as shown in the diagram on the left Screw the antenna holders Z to the BNC sockets W using the supplied was...

Страница 17: ...cm between antennas and metal objects including reinforced concrete walls Daisy chaining receivers The receivers feature an integrated antenna splitter so that up to eight receivers can be daisy chain...

Страница 18: ...e amplifier mixing console The receiver has transformer balanced audio outputs Connect the amplifier mixing console to the XLR 3 socket AF Out 1 M left receiver or to the XLR 3 socket AF Out 2 K right...

Страница 19: ...he external word clock generator to the BNC socket H From the Clock menu select Ext see Selecting the sampling rate for digitalization on page 34 The display for external word clock synchronization B...

Страница 20: ...hen you are working with the Wireless Systems Manager software you can use the Spectrum Analyzer tool to perform a continuous frequency scan The Spectrum Analyzer tool uses the receiver that you selec...

Страница 21: ...ugh to the word clock daisy chain output I Connecting the headphones adjusting the volume The EM 3731 II single receiver features a headphone socket 2 The two receivers of the EM 3732 II or EM 3732 II...

Страница 22: ...The lock mode is deactivated and the settings can be made manually Synchronizing a transmitter with the receiver frequency Via its infra red interface the receiver can transfer the frequency and the n...

Страница 23: ...the Wireless Systems Manager software identifying function In multi channel operation it can be useful to identify the individual channels of the receivers via the Wireless Systems Manager software Th...

Страница 24: ...t 1 5 seconds is assigned the next higher channel Sorted appears on the status displays of the corresponding receivers The receivers are displayed in the subsequent positions in the scene of the Wirel...

Страница 25: ...pply voltage on off AF Out Adjusts the audio output level Clock Adjusts the sampling rate of the digital audio output Command EM 3732 II COM receiver only Configures the audio and command outputs More...

Страница 26: ...lighting of the save button 8 flashes Adjusting a setting Turn the jog dial 7 until the desired setting appears Press the jog dial 7 to confirm the selected setting Depending on the selected menu the...

Страница 27: ...GHIJKLMN OPQRSTUVWXYZ 776 000 MHz B Ch U 01 776 UHF MHz 866 777 000 B Ch U 01 776 UHF MHz 866 30 10 30 30 300 100 30 10 10 50 100 PEAK V RF DEV M H z 776 000 01 01BANK CH A B COM AF Setting mode Selec...

Страница 28: ...kHz kHz 3 quelch 30 1 mmand 3 Setting mode Selection mode Audio output level Current audio output level Adjusting the audio output level 10 dB to 18 dB Sampling rate of the digital audio signal Curre...

Страница 29: ...6 U Free 32 31 33 60 Bank 1 2 3 Free 43 40 42 Bank 4 5 6 U Free 32 31 33 60 Bank 1 2 3 Free 43 40 42 Bank 4 5 6 U Free 32 31 33 60 Bank 1 2 3 Free 43 40 42 Bank 4 5 6 U Free 32 31 33 60 Bank 1 2 3 Fre...

Страница 30: ...Display 4 1 can IP Ad 192 168 0 0 Scan Displa 1 4 00 1B 33 66 00 01 Progress bar appears 776 000 NAME 776 000 B CH COM AF 192 049 068 Setting mode Selection mode Receiver s IP address within the netwo...

Страница 31: ...its of the receiving frequency start flashing Change the last three digits of the receiving frequency by turning the jog dial 7 After you have selected all six digits of the receiving frequency press...

Страница 32: ...ten The display changes to the selection mode of the operating menu Entering a name Via the Name menu you can enter a freely selectable name for the receiver The name can be displayed on the status di...

Страница 33: ...ts flashing Turn the jog dial 7 to change the squelch threshold The new setting becomes effective immediately After you have adjusted the desired squelch threshold press the save button 8 The squelch...

Страница 34: ...o output 1 M and the audio level of the Command output 2 J corresponds to the level of the audio output 2 K The following figures are a guide to the best settings Line level 5 to 18 dB Microphone leve...

Страница 35: ...ich they approximately correspond Configuring the audio outputs of the EM 3732 II COM The EM 3732 II COM twin receiver has two audio outputs per receiver 1 the audio outputs AF Out 1 M and AF Out 2 K...

Страница 36: ...n mode of the operating menu Changing to the extended menu Via the More menu you can change to the extended menu with the menus Scan Display IP Addr MAC Standby and Reset WHEN the Command menu of the...

Страница 37: ...hen select a suitable frequency bank and a channel Turn the jog dial 7 until the arrow points to Channel list Press the jog dial 7 A table displays the number of free channels for each of the seven fr...

Страница 38: ...ls that are used or subject to interference After the scan the channels that are occupied or subject to interference are marked with a warning triangle and Freq occupied Via the Scan reset menu you ca...

Страница 39: ...isplay Via the Display menu you can select the status display CAUTION Risk of reception interference If within the receiver s frequency range transmitters transmit on channels from different frequency...

Страница 40: ...cted the complete IP address press the save button 8 Switch the receiver off and on again see page 20 The new IP address becomes effective To automatically obtain an IP address dynamic IP addressing C...

Страница 41: ...ry preset default settings Change to the setting mode of the Reset menu The query Reset to factory defaults appears The green backlighting of the save button 8 flashes Press the save button 8 until th...

Страница 42: ...mains Use a cloth to clean the receiver from time to time Do not use any solvents or cleansing agents CAUTION Liquids can damage the electronics of the receiver Liquids entering the housing of the dev...

Страница 43: ...ver HDP has been specially developed for high quality radio microphone systems All receivers of the product family feature a AES3 digital audio output for digital mixing consoles In the receiver the a...

Страница 44: ...ich all radio microphones are the field strength gap will then occur with a different transmitter position These field strength gaps can only be eliminated with true diversity receivers In true divers...

Страница 45: ...ce the transmitter at a distance of approx 5 cm in front of the infra red interface see page 21 The infra red interface of the receiver is not yet ready for transferring the frequency the receiver is...

Страница 46: ...d directional antenna passive 009423 ASA 3000 EU antenna splitter 009407 ASA 3000 US antenna splitter 009408 ASA 3000 UK antenna splitter Cat No Accessory 004368 GA 3030 AM antenna mount 087969 Antenn...

Страница 47: ...typ 75 dB 400 kHz typ 80 dB 800 kHz Intermodulation attenuation 80 dB Blocking 80 dB Squelch 13 steps 0 30 V Antenna inputs 2 BNC sockets 50 Daisy chain outputs 2 BNC sockets 50 amplification 0 dB 0...

Страница 48: ...daisy chain output Accepted sampling rates 44 1 kHz 48 kHz 88 2 kHz 96 kHz Word clock input 75 transformer balanced AC coupled input voltage range 200 mV 5 Vpp max input voltage 15 V DC AC Word clock...

Страница 49: ...ply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installat...

Страница 50: ...Sennheiser electronic GmbH Co KG Am Labor 1 30900 Wedemark Germany www sennheiser com Publ 09 09 535301 A01...

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