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The EK 2000 IEM diversity receiver

The EK 2000 IEM diversity receiver

This diversity receiver is part of the 2000 series. With this series,
Sennheiser offers high-quality state-of-the-art RF transmission systems
with a high level of operational reliability and ease of use. Transmitters
and receivers are designed for monitoring applications and permit wireless
transmission with studio-quality sound.

Features of the 2000 series:

• Optimized PLL synthesizer and microprocessor technology

•

HDX

noise reduction system

• Adaptive diversity technology

• Switching bandwidth of up to 75 MHz

• Scan function (Easy Setup) for scanning the frequency banks for unused

channels

• Adjustable and switchable limiter

Adaptive diversity

This diversity receiver uses the ground connection of the earphones cable
as its second antenna to provide improved reception.

Areas of application

The receiver can be combined with the SR 2000 IEM and SR 2050 IEM
transmitters.

Diversity receiver

Earphones

Transmitters

EK 2000 IEM

IE 4

SR 2000 IEM

SR 2050 IEM

Stereo Transmitter SR 2000 IEM

PEAK

-10

0

-20
-30
-40

PEAK

-10

0

-20
-30
-40

AF I AF II

516.000

B.Ch: 1 1

EQ

Standard -18dB

MHz

**2000**

Stereo Transmitter SR 2050 IEM

PEAK

-10

0

-20
-30
-40

PEAK

-10

0

-20
-30
-40

AF I AF II

516.000

B.Ch: 1 1

EQ

Standard -18dB

MHz

PEAK

-10

0

-20
-30
-40

PEAK

-10

0

-20
-30
-40

AF I AF II

516.000

B.Ch: 1 1

EQ

Standard -18dB

MHz

**2050**

**2050**

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Содержание EK 2000 IEM

Страница 1: ...Instruction manual EK 2000 IEM C M Y CM MY CY CMY K ...

Страница 2: ... temporarily 14 Selecting a standard display 15 Using the operating menu 16 The buttons 16 Overview of the operating menu 16 Working with the operating menu 18 Adjusting settings via the operating menu 20 The main menu Menu 20 The extended menu Advanced Menu 24 Synchronizing a transmitter with the diversity receiver 28 Setting the transmitters to intermodulation free channels Easy Setup Sync 28 Sy...

Страница 3: ...al use is subject to the safety at work regulations Sennheiser as the manu facturer is therefore obliged to expressly point out possible health risks arising from use This product is capable of producing sound pressure exceeding 85 dB A 85 dB A is the sound pressure corresponding to the maximum permissible volume which is by law in some countries allowed to affect your hearing for the duration of ...

Страница 4: ...nstructions especially the chapter Important safety instructions using the product within the operating conditions and limitations described in this instruction manual Improper use means using the product other than as described in this instruction manual or under operating conditions which differ from those described herein ...

Страница 5: ... Scan function Easy Setup for scanning the frequency banks for unused channels Adjustable and switchable limiter Adaptive diversity This diversity receiver uses the ground connection of the earphones cable as its second antenna to provide improved reception Areas of application The receiver can be combined with the SR 2000 IEM and SR 2050 IEM transmitters Diversity receiver Earphones Transmitters ...

Страница 6: ... to 32 channels each Each of the channels in the frequency banks 1 to 20 has been factory preset to a fixed receiving frequency frequency preset The factory preset frequencies within one frequency bank are intermodulation free These frequencies cannot be changed For an overview of the frequency presets please refer to the supplied frequency information sheet Updated versions of the frequency infor...

Страница 7: ...tore receiving frequencies It might be that these receiving frequencies are not intermodulation free see page 28 Delivery includes The packaging contains the following items 1 EK 2000 IEM diversity receiver 1 pair of IE 4 earphones 1 instruction manual 1 frequency information sheet ...

Страница 8: ... 쐋 Antenna I 쐏 Operation and battery status indicator red LED lit ON flashing LOW BATT 쐄 RF signal indication green LED lit RF 쐂 Charging contacts 쐆 SET button 쐊 왖 왔 rocker button UP DOWN 쐎 Battery compartment 쐅 Battery compartment cover metal 쐈 Battery compartment catches 쐉 Infra red interface 씈 ESC button 씉 Display panel backlit in orange MHz 823 925 ew300 IEM MUTE P AF RF 쐃 쐋 쐏 쐄 쐆 쐂 씈 쐉 쐂 씉 쐎 ...

Страница 9: ...na input I is active Antenna input II is active Squelch threshold level RF signal level Field strength of the received signal 햳 Audio level AF Audio Frequency Modulation of the transmitter channel separated when the transmitter is set to stereo mode Peak hold function When the display shows full deflection the audio input level is excessively high 햴 Frequency Current receiving frequency see page 2...

Страница 10: ...see page 15 when the transmitter s RF signal is deactivated or when the transmitter is set to mono mode and therefore does not transmit a pilot tone but the receiver s pilot tone evalua tion is activated or audio channels The audio channels are only displayed on the Frequency Limiter and Frequency High Boost standard displays see page 15 Stereo Focus 햹 Pilot tone P Activated pilot tone evaluation ...

Страница 11: ...over 쐅 왘 Insert the two batteries or the accupack as shown above Please observe correct polarity when inserting the batteries accupack 왘 Close the battery compartment by pressing on the center of the cover 쐅 The battery compartment cover 쐅 locks into place with an audible click Charging the accupack To charge the BA 2015 accupack 왘 Insert the diversity receiver into the L 2015 charger see Accessor...

Страница 12: ...lt clip is detachable so that you can also attach the diversity receiver with the antenna pointing downwards To do so withdraw the belt clip from its fixing points and attach it the other way round The belt clip is secured so that it cannot slide out of its fixing points accidentally The ground connection of the earphones cable serves as the antenna for the second diversity section For details on ...

Страница 13: ... diversity receiver into operation To detach the belt clip 왘 Lift one side of the belt clip as shown 왘 Press down the belt clip at one fixing point and pull it out of the receiver housing 왘 Repeat for the other side ...

Страница 14: ...itter and receiver read the chapter Synchronizing a transmitter with the diversity receiver on page 28 Switching the diversity receiver on off and adjusting the volume To switch the diversity receiver on 왘 Turn the volume control 쐃 clockwise until it clicks The red ON LED 쐏 lights up The Frequency Name standard display appears on the display panel To switch the diversity receiver off 왘 Turn the vo...

Страница 15: ... damage due to high volumes Listening at high volume levels for long periods can lead to permanent hearing defects 왘 Set the volume to a low level before putting the earphones on 왘 Do not continuously expose yourself to high volumes 왘 Press the SET button Locked appears on the display panel 왘 Press the rocker button Unlock appears on the display panel 왘 Press the SET button When you are in the ope...

Страница 16: ...splay In stereo mode see page 23 you can alternatively press the rocker button Contents of the display Selectable standard display Frequency Name with MUTE display 햸 Frequency Limiter with display of the audio channels Stereo Focus 햸 Frequency High Boost with display of the audio channels Stereo Focus 햸 ESC AF RF MHz 823 925 2000 P MUTE 햸 P AF RF 516 000 Lim 6dB MHz 햸 P AF RF 516 000 EQ MHz 햸 ...

Страница 17: ...ancels the entry and returns to the current standard display ESC function Press the SET button Changes from the current standard display to the operating menu Calls up a menu item Enters a submenu Stores the settings and returns to the operating menu Press the rocker button In Focus mode Adjusts the balance see page 22 In stereo mode Selects a standard display see page 15 Changes to the next previ...

Страница 18: ...atic lock mode 24 Advanced Calls up the extended menu Advanced Menu 24 Exit Exits the operating menu and returns to the current standard display Extended menu Advanced Menu Tune Sets the receiving frequencies for the frequency banks U1 to U6 24 Sets the frequency bank the channel and the receiving frequency frequency banks U1 to U6 25 Pilot Tone Activates deactivates the pilot tone evaluation 26 L...

Страница 19: ...last selected menu item is displayed 왘 Press the rocker button to change to the Frequency Preset menu item The current setting of the selected menu item is displayed 왘 Press the SET button to call up the menu item 왘 Press the rocker button to set the frequency bank 왘 Press the SET button to confirm your selection 왘 Press the rocker button to set the channel 왘 Press the SET button to store the sett...

Страница 20: ...rectly return to the current standard display 왘 Press the ESC button to cancel the entry The current standard display appears on the display panel 왘 Press the SET button repeatedly until the last edited menu item appears 왘 Change to the Exit menu item 왘 Confirm your selection You return to the next higher menu level 왘 Press the ESC button ESC SET Menu Exit SET ESC ...

Страница 21: ... purposes With the squelch threshold set to 5 dB you switch the squelch off by keeping the DOWN rocker button pressed for 3 seconds CAUTION Danger of hearing damage If you switch the squelch off or adjust the squelch threshold to a very low value loud hissing noise can occur in the receiver The hissing noise can be loud enough to cause hearing damage 왘 Always make sure that the squelch is switched...

Страница 22: ...Scan New List Automatically scans for unused receiving frequencies frequency preset scan If receiving frequencies are used they will be locked if receiving frequencies are unused they will be released After the frequency preset scan you can select an unused frequency preset When setting up multi channel systems please observe the following Only the factory preset receiving frequencies within one f...

Страница 23: ...nter a name proceed as follows Adjusting the balance Balance Frequency bank Channels Type 1 to 20 up to 32 per frequency bank System bank frequencies are factory preset U1 to U6 up to 32 per frequency bank User bank frequencies are freely selectable 왘 Press the rocker button to select a character 왘 Press the SET button to change to the next segment character or to store the complete entry Menu Lic...

Страница 24: ...a the High Boost menu item you can boost the treble response of the output signal 8 dB at 10 kHz Audio mode Stereo Focus The left right signals are available as usual The balance setting serves to adjust the balance between the left and right stereo signal The left right signals are mixed and are available as a mono signal in both headphone channels The balance setting serves to adjust the relativ...

Страница 25: ...he Tune menu item you can set a receiving frequency to be stored in the current channel or you can select a different channel in one of the frequency banks U1 to U6 and assign this channel a receiving frequency Setting a receiving frequency for the current channel When you have selected one of the system banks and then select the Tune menu the diversity receiver automatically switches to channel 1...

Страница 26: ... appears again 왘 Press the rocker button until the Tune menu item appears 왘 Press the SET button and keep it pressed until the frequency bank is highlighted 왘 Press the rocker button to set the frequency bank 왘 Press the SET button to confirm the frequency bank The channel is highlighted Select the frequency bank and confirm Select the channel store the setting Tune B Ch U1 1 Tune Call up Tune spe...

Страница 27: ... mono operation deactivate the pilot tone evaluation on the Adjusting the limiter Limiter 왘 Press the rocker button to set the channel 왘 Press the SET button to confirm the channel The frequency MHz section is highlighted Display Meaning No icon The pilot tone evaluation is deactivated The pilot tone evaluation is activated The receiver does not receive a pilot tone because the transmitter operate...

Страница 28: ...sion Software Revision You can display the current software revision of the diversity receiver CAUTION Danger of hearing damage due to a switched off limiter The limiter limits the volume at the headphone output PHONES and thus protects your hearing With the limiter switched off the receiver is capable of producing high sound pressure levels Prolonged exposure to high sound pressure levels can cau...

Страница 29: ...The transmitters await the transfer of a channel and a frequency bank via their infra red interfaces 왘 With a diversity receiver perform a frequency preset scan to scan the frequency banks for unused channels Scan New List see page 21 왘 Select a frequency bank with a sufficient number of unused channels and a channel on this receiver Current List see page 21 When synchronizing the SR 2000 IEM or S...

Страница 30: ...e jog dial on the transmitter The frequency bank and the channel are stored The transmitter s RF signal is activated again You can synchronize this transmitter with a diversity receiver at any time see the instruction manual of the transmitter To carry out synchronization immediately 왘 Start the Sync function by placing the infra red interface of the first diversity receiver in front of the infra ...

Страница 31: ... the receiver 왘 Repeat for the remaining transmitters and receivers as described above Cleaning the diversity receiver 왘 Use a cloth to clean the diversity receiver from time to time It might be that the freely selected frequencies are not inter modulation free If you are using frequencies from the frequency banks U1 to U6 it might be that the receiving frequencies are not intermod ulation free 왘 ...

Страница 32: ...nd receiving antennas To avoid overloading the receiver observe a minimum distance of 5 m between transmitting and receiving antennas for multi channel operation When operating a multi channel system you should only use the chan nels within one frequency bank Each of the frequency banks 1 to 20 accommodates factory preset frequencies which are intermodu lation free The frequency banks U1 to U6 all...

Страница 33: ...n range is exceeded Check the squelch threshold setting see page 20 Reduce the distance between transmitter and receiver RF signal is deactivated RF Mute Activate the RF signal see the instruction manual of the transmitter RF signal avail able no audio signal MUTE appears on the display panel Transmitter is muted Cancel the muting see the instruction manual of the transmitter Receiver s squelch th...

Страница 34: ...sitivity is adjusted too low Adjust the transmitter sensitivity correctly see the instruction manual of the transmitter Audio signal is distorted Transmitter sensitivity is adjusted too high Adjust the transmitter sensitivity correctly see the instruction manual of the transmitter No access to a certain channel During scanning an RF signal has been detected on this channel and the channel has been...

Страница 35: ...ng bandwidth up to 75 MHz Nominal peak deviation 24 kHz 48 kHz Receiver principle adaptive diversity Sensitivity with HDX peak deviation 4 μV typ 1 6 µV for 52 dBArms S N Adjacent channel rejection typ 80 dB Intermodulation attenuation typ 78 dB Blocking 80 dB Squelch Off 5 to 25 dBμV adjustable in steps of 2 dB Pilot tone squelch can be switched off Compander system Sennheiser HDX S N ratio 1 mV ...

Страница 36: ... V Power consumption at nominal voltage with switched off receiver approx 140 mA 25 μA Operating time approx 4 to 6 hrs depending on volume level Dimensions approx 82 x 64 x 24 mm Weight incl batteries approx 140 g Europe EMC EN 301489 1 9 Radio EN 300422 1 2 Safety EN 60065 USA 47 CFR 15 subpart B Canada Industry Canada RSS 123 IC 2099A EK2000IEM limited to 806 MHz 3 5 mm jack plug stereo L R ...

Страница 37: ... receiver at the end of its opera tional lifetime by taking it to your local collection point or recy cling center for such equipment Battery Directive 2006 66 EC The supplied batteries or rechargeable batteries can be recycled Please dispose of them as special waste or return them to your specialist dealer In order to protect the environment only dispose of exhausted batteries CE Declaration of C...

Страница 38: ...harmful interference to radio communications However there is no guarantee that interference will not occur in a partic ular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the inter ference by one or more of the following measures Reorient or relocat...

Страница 39: ...RF level 8 standard displays 15 E Earphones connecting 11 Easy Setup scanning for releasing and selecting frequency presets 21 F Frequency bank selecting 21 setting a frequency 24 system 5 Frequency Preset selecting a frequency bank channel 21 Frequency presets releasing Reset List 21 searching for unused Scan New List 21 selecting Current List 21 H High Boost activating deactivating the treble bo...

Страница 40: ...justing the volume 13 cleaning 30 switching off 13 switching on 13 Reset resetting the settings made in the operating menu 27 RF signal indication 7 S Software Revision displaying the software revision 27 Squelch adjusting the squelch 20 T Transmitter synchronizing with receiver 28 Troubleshooting 32 Tune setting the receiving frequencies and frequency banks 24 ...

Страница 41: ...Sennheiser electronic GmbH Co KG Am Labor 1 30900 Wedemark Germany www sennheiser com Printed in Germany Publ 01 09 529678 A01 C M Y CM MY CY CMY K ...

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