Index .................................................................................................................... 40
For further information, visit the EK 2000 product page on
our website at www.sennheiser.com.
1
Important safety instructions
Important safety instructions
• Read this instruction manual.
• Keep this instruction manual. Always include this instruction manual
when passing the product on to third parties.
• Heed all warnings and follow all instructions in this instruction manual.
• Use only a cloth for cleaning the product.
• Do not place the product near any heat sources such as radiators, stoves,
or other devices (including amplifiers) that produce heat.
• Only use attachments/accessories specified by Sennheiser.
• Refer all servicing to qualified service personnel.
Servicing is required if the product has been damaged in any way, liquid
has been spilled, objects have fallen inside, the product has been
exposed to rain or moisture, does not operate properly or has been
dropped.
• WARNING: To reduce the risk of short circuits, do not use the product
near water and do not expose it to rain or moisture.
• This product is also intended for professional use. Commercial use is
subject to the safety-at-work regulations. Sennheiser, as the manufacturer, 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 a working day. It is
used as a basis according to the specifications of industrial medicine.
Higher volumes or longer durations can damage your hearing. At higher
volumes, the duration must be shortened in order to prevent hearing
damage. The following are sure signs that you have been subjected to
excessive noise for too long a time:
– You can hear ringing or whistling sounds in your ears.
– You have the impression (even for a short time only) that you can no
longer hear high notes.
2
The EK 2000 diversity receiver
Replacement parts
When replacement parts are required, be sure the service technician
uses replacement parts specified by Sennheiser or those having the same
characteristics as the original part. Unauthorized substitutions may result
in fire, electric shock, or other hazards.
Intended use
Intended use of the EK 2000 diversity receiver includes:
• having read these instructions 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.
The EK 2000 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 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
Adaptive diversity
This diversity receiver uses the ground connection of the line cable as its
second antenna to provide improved reception.
3
The EK 2000 diversity receiver
The frequency bank system
The receiver is available in 5 UHF frequency ranges with up to
3,000 receiving frequencies per frequency range:
Aw:
Range
558 – 626
Range
516 – 558
500600700800
Gw:
Range Bw:
626 – 698
Range
718 – 790
Range Dw:
Cw:
790 – 865
Each frequency range (Aw–Dw, Gw) offers 26 frequency banks with up to
64 channels each:
Channel 1 – frequency preset
Channel 2 – frequency preset
Frequency bank 1 ... 20
Channel 64 – frequency preset
Channel 1 – freely selectable frequency
Channel 2 – freely selectable frequency
Frequency bank U1 ... U6
Channel 64 – freely selectable frequency
Each of the channels in the frequency banks “1” to “20” has been factorypreset to a fixed receiving frequency (frequency preset). The factorypreset 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 information sheet can be downloaded from the EK 2000 product page on our
website at www.sennheiser.com.
The frequency banks “U1” to “U6” allow you to freely select and store
receiving frequencies. It might be that these receiving frequencies are not
intermodulation-free (see page 30).
4
Delivery includes
Areas of application
The receiver can be combined with the following transmitters of the
2000 series:
TransmitterType
SK 2000Bodypack transmitter
SKM 2000Radio microphone
SKP 2000Plug-on transmitter
For more information, visit the EK 2000 product page on our website at
www.sennheiser.com.
The transmitters are available in the same UHF frequency ranges and are
equipped with the same frequency bank system with factory-preset
frequencies. An advantage of the factory-preset frequencies is that
• a transmission system is ready for immediate use after switch-on,
• several transmission systems can be operated simultaneously on the
preset frequencies without causing intermodulation interference.
Delivery includes
The packaging contains the following items:
1 EK 2000 diversity receiver
2 AA size batteries, 1.5 V
1 CA 2 camera adapter
1 CL 500 line cable
1 CL 1 line cable
1 instruction manual
1 frequency information sheet
5
Product overview
Product overview
Overview of the EK 2000 diversity receiver
쐋
씉
쐂
씈
쐉
쐈
쐃 Headphone output (PHONES),
3.5 mm jack socket, lockable
쐇 Line output (AF OUT),
3.5 mm jack socket, lockable
(the ground contact is used by
antenna II)
After switch-on, the diversity receiver displays the “Frequency/Name”
standard display. For further illustrations and examples of the different
standard displays, refer to page 13.
The display backlighting is automatically reduced after approx. 20 seconds.
햲 햳 햴 햵
823.925
**2000**
P
AFRF
DisplayMeaning
햲 RF level “RF”
(Radio Frequency)
햳 Audio level “AF”
(Audio Frequency)
햴 FrequencyCurrent receiving frequency (see page 25)
햵 NameFreely selectable name of the receiver
햶 Lock mode iconLock mode is activated (see page 13)
(see page 23)
MHz
햶
MUTE
햷햸햹
Diversity display:
Antenna input I is active
Antenna input II is active
Squelch threshold level
RF signal level:
RF
Field strength of the received signal
Modulation of the transmitter
Peak hold function
When the display shows full
deflection, the audio input level
is excessively high.
For details, see page 24.
AF
7
Product overview
DisplayMeaning
햷 Battery statusCharge status:
approx. 100%
approx. 70%
approx. 30%
charge status is critical, the red
LOW BATT LED 쐏
is flashing
:
쐏
햸 Muting function
“MUTE”
or line output level
AF OUT
햹 Pilot tone “P”Activated pilot tone evaluation
“Mute” is only displayed on the “Frequency/
Name” standard display (see page 13) when
the transmitter’s RF signal is deactivated.
The diversity receiver does then not output
an audio signal.
The line output level AF OUT is only
displayed on the “Frequency bank/Channel/
Name” standard display (see page 13).
(see page 27)
8
Putting the diversity receiver into operation
Putting the diversity receiver into
operation
Inserting the batteries/accupack
For powering the diversity receiver, you can either use two 1.5 V AA size
batteries or the rechargeable Sennheiser BA 2015 accupack or the DC 2
power adapter (see “Accessories” on page 35).
왘 Open the battery compartment by pushing the two catches 쐈 in the
direction of the arrows and open the cover 쐅.
쐈
쐅
쐂
쐅
쐂
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 “Accessories”
on page 35).
The L 2015 charger can only charge the combination BA 2015
accupack/diversity receiver. Standard batteries (primary cells) or
individual rechargeable battery cells cannot be charged.
9
Putting the diversity receiver into operation
Mounting the diversity receiver to a camera
Use the supplied CA 2 camera adapter to mount the receiver to a camera’s
flash mount.
왘 Determine where on the perforated plate 씉 the flash mount
adapter 씊 will need to be fastened so that the receiver can best be
attached to the camera.
씋
씊
씌
왘 At this position, place a square nut 씋 under the perforated plate 씉.
왘 Fasten the flash mount adapter 씊 to the perforated plate 씉 using the
square nut 씋.
왘 Lift one side of the belt clip 씌 as shown.
씍
왘 Press down the belt clip 씌 at one fixing point and pull it out of the
receiver housing.
왘 Repeat for the other side.
10
Putting the diversity receiver into operation
왘 Place the perforated plate 씉 onto the rear of the receiver.
왘 Reinsert the belt clip 씌.
왘 Use one of the supplied line cables to connect the line input of the
camera to the socket 쐇.
쐇
왘 Via the operating menu of the diversity receiver, adjust the level of the
line output (AF OUT) to the input of the camera (see page 24).
The ground connection of the line cable serves as the antenna for
the second diversity section. For details on the connector assignment, refer to the diagram on page 37.
왘 Connect a pair of headphones to the socket 쐃.
쐃
왘 Adjust the volume at the headphone output (PHONES) – either via the
operating menu or using the rocker button (see page 21).
11
Using the diversity receiver
Using the diversity receiver
To establish a transmission link, proceed as follows:
1. Switch the diversity receiver on (see next section).
(
2. Switch a transmitter on
).
mitter
The transmission link is established and the receiver’s RF level display
“RF” 햲 reacts.
It is vital to observe the notes on frequency selection on page 30.
If you cannot establish a transmission link between transmitter and
receiver, read the chapter “Synchronizing a transmitter with the receiver”
on page 30.
Switching the diversity receiver on/off
왘 Push the two battery compartment catches 쐈 and open the battery
compartment cover 쐅.
씈
see the instruction manual of the trans-
쐏
쐈
To switch the diversity receiver on:
쐅
쐈
왘 Press the ON/OFF button 씈.
The red ON LED 쐏 lights up and the standard display “Frequency/
Name” appears on the display panel.
To switch the diversity receiver off:
왘 Keep the ON/OFF button 씈 pressed until “OFF” appears on the display
panel.
The red ON LED 쐏 goes off and the diversity receiver switches off.
When in the operating menu, pressing the ON/OFF button 씈 will
cancel your entry (ESC function) and return you to the current
standard display.
12
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