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EK 300 IEM
Instrucciones de uso
Manual de instruções
Instruction manual
Notice d'emploi
Instruction manual
Istruzioni per l'uso
Gebruiksaanwijzing
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Contents
1
Contents
Important safety instructions .......................................................................... 2
The EK 300 IEM G3 diversity receiver .............................................................. 3
Areas of application ........................................................................................ 3
The frequency bank system .......................................................................... 3
Delivery includes .................................................................................................. 4
Product overview ................................................................................................. 5
Overview of the EK 300 IEM G3 diversity receiver .................................... 5
Overview of the displays ................................................................................ 6
Putting the diversity receiver into operation ............................................... 7
Inserting the batteries/accupack ................................................................. 7
Charging the accupack .................................................................................... 7
Connecting the earphones ............................................................................. 7
Attaching the diversity receiver to clothing .............................................. 8
Using the diversity receiver .............................................................................. 9
Switching the diversity receiver on/off and adjusting the volume ...... 9
Deactivating the lock mode temporarily .................................................... 9
Selecting a standard display ...................................................................... 10
Using the operating menu ............................................................................. 11
The buttons .................................................................................................... 11
Overview of the operating menu ............................................................... 11
Working with the operating menu ........................................................... 12
Adjusting settings via the operating menu ............................................... 14
The main menu "Menu" .............................................................................. 14
The extended menu "Advanced Menu" ................................................... 17
Synchronizing an SR 300 IEM G3 transmitter with the
diversity receiver .............................................................................................. 20
Setting the transmitters to intermodulation-free channels
(Easy Setup Sync) ......................................................................................... 20
Synchronizing transmitters with diversity receivers (Sync) ............... 21
Using freely selectable receiving frequencies ......................................... 21
Cleaning the diversity receiver ...................................................................... 22
Recommendations and tips ........................................................................... 22
If a problem occurs ... ....................................................................................... 23
Accessories ......................................................................................................... 24
Specifications .................................................................................................... 24
Manufacturer Declarations ............................................................................. 25
Index .................................................................................................................... 27
For further information, visit the EK 300 IEM G3 product
page on our website at www.sennheiser.com.


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2
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 manufac-
turer, 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.
Replacement parts
When replacement parts are required, be sure the service technician uses
replacement parts specified by Sennheiser or those having the same char-
acteristics as the original part. Unauthorized substitutions may result in
fire, electric shock, or other hazards.
Intended use
Intended use of the EK 300 IEM G3 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.


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3
The EK 300 IEM G3 diversity receiver
The EK 300 IEM G3 diversity receiver
This diversity receiver is part of the evolution wireless series generation 3
(ew G3). 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 appli-
cations and permit wireless transmission with studio-quality sound.
Features of the evolution wireless 300 IEM G3 series:
· Optimized PLL synthesizer and microprocessor technology
· HDX noise reduction system
· Adaptive diversity technology
· Switching bandwidth of 42 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 300 IEM G3 transmitter.
The transmitter is available in the same UHF frequency ranges and is
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.
The frequency bank system
The diversity receiver is available in 6 UHF frequency ranges with
1,680 receiving frequencies per frequency range:
Diversity receiver
Earphones
Transmitter
EK 300 IEM G3
IE 4
SR 300 IEM G3
516.000
ew300IEM
B.Ch:
1. 1
EQ
Standard -18dB
MHz
Stereo Transmitter
PEAK
-10
0
-20
-30
-40
AF I
PEAK
-10
0
-20
-30
-40
AF II
516 ­ 558
566 ­ 608
626 ­ 668
734 ­ 776
780 ­ 822
823 ­ 865
Range A:
Range G:
Range B:
Range C:
Range D:
Range E:


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Delivery includes
Each frequency range (A­E, G) offers 26 frequency banks with up to
16 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 informa-
tion sheet can be downloaded from the EK 300 IEM G3 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 20).
Delivery includes
The packaging contains the following items:
1 EK 300 G3 IEM diversity receiver
2 AA size batteries, 1.5 V
1 pair of IE 4 earphones
1 instruction manual
1 frequency information sheet
Frequency bank 1 ... 20
Frequency bank U1 ... U6
Channel 16 ­ frequency preset
Channel 1 ­ frequency preset
Channel 2 ­ frequency preset
Channel 16 ­ freely selectable frequency
Channel 1 ­ freely selectable frequency
Channel 2 ­ freely selectable frequency