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EKI 830
Infrared bodypack receiver
Instruction manual
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Contents
Contents
Important safety information ....................................................... 2
The EKI 830 receiver ........................................................................ 4
Delivery includes .............................................................................. 5
Product overview ............................................................................. 5
Putting the EKI 830 into operation .............................................. 6
Removing and charging the rechargeable battery .......................... 6
Using the EKI 830 ............................................................................. 8
Connecting headphones or an induction coupler ............................. 8
Wearing the receiver .............................................................................. 9
Cleaning and maintaining the EKI 830 ...................................... 11
If a problem occurs ... .................................................................... 12
Accessories ...................................................................................... 13
Specifications .................................................................................. 14
Manufacturer Declarations .......................................................... 15
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Important safety information
Important safety information
왘 Read this instruction manual carefully and completely before using
the product.
왘 Always include this instruction manual when passing the product on
to third parties.
왘 Do not use an obviously defective product.
Preventing damage to health and accidents
왘 Do not use the product in an environment that requires your special
attention.
왘 Do not listen at high volume levels for long periods of time to
prevent hearing damage.
Preventing damage to the product and malfunctions
왘 Always keep the product dry and do not expose it to extreme
temperatures (hairdryer, heater, extended exposure to sunlight,
etc.) to avoid corrosion or deformation.
왘 Only use attachments/accessories supplied or recommended by
Sennheiser.
왘 Only clean the product with a soft, dry cloth.
Intended use/liability
The receiver can be used together with infra-red transmission systems
which operate on a carrier frequency of 2.3 or 2.8 MHz. Headphones
with 3.5 mm jack plugs, induction plates and induction loops can be
used for audio transmission.
This product can be used for commercial purposes. It is considered
improper use when this product is used for any application not named
in this instruction manual.
Sennheiser does not accept liability for damage arising from abuse or
misuse of this product and its attachments/accessories.
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Important safety information
Safety instructions for the BA 300 Lithium-Polymer rechargeable
battery
In extreme cases, abuse or misuse of rechargeable batteries can lead to:
WARNING
•explosion,
• fire development,
• heat generation or
• smoke or gas development.
Do not heat above
70°C/158°F, e.g. do not
expose to sunlight or
throw into a fire.
Do not expose to
moisture.
Store charged
rechargeable batteries
so that the terminals
cannot contact each
other – danger of
shorting out/fire
hazard.
Do not mutilate or
dismantle.
Immediately remove
rechargeable batteries
from an obviously
defective product.
Only use rechargeable
batteries recommended
by Sennheiser and the
appropriate chargers.
When not using rechargeable batteries for extended
periods of time, charge
them regularly (about
every 3 months).
Only charge rechargeable
batteries at ambient
temperatures between
10°C/50°F and 40°C/104°F.
Do not continue to use
defective rechargeable
batteries and dispose of
them immediately.
Dispose of rechargeable
batteries at special collection points or return them
to your specialist dealer.
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The EKI 830 receiver
SI 1015
SZI 1015
EKI 830 HDI 830
The EKI 830 receiver
The EKI 830 is an infra-red receiver designed to assist your hearing.
Sound can be transmitted from the receiver to the hearing aid via headphones, induction plates or an induction loop.
Areas of application
The EKI 830 receiver can be used together with infra-red transmission
systems which operate on a carrier frequency of 2.3 or 2.8 MHz (example: Sennheiser SZI/SI 1015).
Alternatively, the receiver can be used with transmitters of the
Sennheiser Set 830 S, Set 830 TV and Set 900 infra-red hearing
systems.
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Delivery includes
1
3
4
7
5
7
6
2
Delivery includes
1 EKI 830 receiver
with BA 300 Lithium-Polymer rechargeable battery
1lanyard
1instruction manual
1 quick start guide for display at the receiver counter
Product overview
1 Channel indicator
2 Volume control
3 On/off button
4 Balance control
5 Channel selection button
6 Battery compartment
7 Socket for headphones,
induction loop or connection cable to hearing aid
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Putting the EKI 830 into operation
3h
Putting the EKI 830 into operation
Removing and charging the rechargeable battery
You can charge the receivers and the removed rechargeable batteries
in the Sennheiser L 300 10-10 charger. An individual receiver can be
charged in the Sennheiser TI 830 infra-red transmitter.
왘 Before using the rechargeable batteries for the first time,
charge them for at least 3 hours.
Charging the receiver
왘 Place the receiver into the charging compartment of the L 300 10-10
charger or into the transmitter’s charging compartment.
The receiver automatically switches off. The charging process is
started automatically. The corresponding LED lights up red.
왘 Charge the rechargeable batteries until they are fully charged. The
corresponding LED lights up green.
For further information on charging, refer to the instruction manual of
the L 300 10-10 or to the instruction manual of the corresponding
Sennheiser infra-red hearing system.
Charging the rechargeable battery separately
When a rechargeable battery is discharged, you can use the receiver
with an optional spare rechargeable battery:
왘 Remove the discharged battery from the receiver and recharge the
battery in the L 300 10-10 charger or in the Sennheiser infra-red
transmitter.
To remove the receiver’s discharged battery:
왘 Pull the battery out of the receiver’s battery
compartment.
To insert the receiver’s battery:
왘 Insert the battery into the receiver and slide
the battery into the battery compartment as
far as it will go.
• With a fully charged rechargeable battery, the operating time
is up to 12 hours.
• Always store the receiver in the L 300 10-10 charger to ensure
that it is fully charged when needed. The intelligent battery
charging technology prevents overcharging.
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Putting the EKI 830 into operation
Channel
4s
Setting the receiver to the frequency of the transmission system
The receiver allows you to select between three channels with preset
frequencies so that you can match the receiver to the channel used by
your transmission system.
Overview of the channel indicator:
Channel
Channel
indicator
Frequency You hear the sound in
1 2.3 MHz mono
2 2.8 MHz mono
3 2.3 MHz + 2.8 MHz stereo
To change the channel:
왘 Press the on/off button. The receiver
switches on, the LEDs light up.
If the correct channel is already set,
no further steps are necessary.
1s
ON/OFF
To select a different channel:
왘 Press the channel selection button
repeatedly until the channel indicator displays the desired channel
(see table).
If no further buttons are pressed,
the channel indicator goes off after
30 seconds. If no channel is found,
the channel indicator flashes.
If you wish your Sennheiser partner can permanently assign the
receivers to either channel 1 or 2 and disable the channel selection button to prevent user tampering.
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Using the EKI 830
Using the EKI 830
Connecting headphones or an induction coupler
The 3.5 mm jack socket of the receiver allows you to connect
• headphones such as the Sennheiser HD 410/1029, PX 90,
PMX 60/90, GP 03,
• an induction coupler such as the Sennheiser EZT 3011 induction loop
or the EZI 120 induction plates or
• a connection cable with 3.5 mm jack plug to your hearing aid.
Connecting headphones
왘 Connect the 3.5 mm jack plug of the headphones to the socket of the
receiver.
Connecting the induction loop
왘 Carefully remove the clip from the receiver.
왘 Attach the clip of the induction loop as shown.
왘 Connect the 3.5 mm jack plug of the induction loop to the socket of
the receiver.
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Using the EKI 830
왘 Set your hearing aid to position “T”. If your hearing aid has no posi-
tion “T”, please contact your hearing aid acoustician.
For alternative connection possibilities to your hearing aid as well
as the connection to cochlea implants, please contact your hearing aid acoustician.
Wearing the receiver
Wearing the receiver around the neck
If you want to wear the receiver around your neck, use the supplied
lanyard or the EZT 3011 induction loop (see page 8). To attach the
lanyard:
왘 Connect the fasteners of the lanyard to
the metal ring at the rear of the receiver.
왘 Wear the receiver around your neck, with
the Sennheiser logo facing away from
your body.
Attaching the receiver to clothing using the clip
왘 Attach the clip to your clothing or belt.
왘 Pull the clip with the receiver away from
your clothing or belt.
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Using the EKI 830
Switching the receiver on and off
WARNING
Danger of hearing damage!
This receiver allows you to set high volumes. This can cause
hearing damage in persons with healthy hearing and especially
in children.
왘 Before using the receiver, set the volume on the receiver to a
low level and gradually increase the volume to a comfortable
level.
To switch the receiver on:
왘 Press the on/off button until the channel
indicator lights up.
1s
ON/OFF
If no further buttons are pressed, the channel indicator goes off after 30 seconds.
To switch the receiver off:
왘 Press the on/off button until the channel
indicator lights up briefly and then goes
off.
Adjusting the volume
Adjusting the balance
왘 Use the volume control to adjust the vol-
ume to a sufficient and comfortable level.
The balance control allows for right/left volume adjustment. Adjust the balance so that
you hear equally well with both ears.
왘 Turn the balance control to the left L or
right R in order to increase the volume for
the corresponding ear.
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Cleaning and maintaining the EKI 830
Cleaning and maintaining the EKI 830
CAUTION
Liquids can damage the electronics of the product!
Liquids entering the housing of the product can cause a short-circuit
and damage the electronics.
왘 Keep all liquids far away from the product.
왘 Do not use any cleansing agents or solvents.
왘 Only use a dry and soft cloth to clean the product.
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If a problem occurs ...
If a problem occurs ...
You cannot hear anything
Possible cause Solution
There are obstacles in the
light path between receiver
and transmission system
The receiver is exposed to
direct sunlight
The volume of the receiver
is set too low
The rechargeable battery
is not inserted properly into
the receiver
The rechargeable battery
is flat
The receiver is outside the
transmission range
The transmission system and
the receiver are set to different
frequencies
The receiver is worn the wrong
way round: the Sennheiser
logo is facing towards your
body
Remove obstacles in the light path
between receiver and transmission
system to ensure a free line of sight
between the two devices.
Avoid exposure to direct sunlight.
Increase the volume by turning the
volume control (see page 10).
Remove the rechargeable battery and
reinsert it into the receiver’s battery
compartment (see page 6).
Recharge the rechargeable battery
(see page 6).
Move the receiver closer to the
transmitter.
Set the transmission system and
the receiver to the same frequency
(see page 7).
Wear the receiver the right way
round, with the Sennheiser logo
facing away from your body.
You can hear the sound only with one ear
Possible cause Solution
The balance is misadjusted Turn the balance control to the left or
right (see page 10).
You hear warning signals
Warning signal Meaning
2 long
beeps
If a problem occurs that is not listed in the above tables or if the problem cannot be solved with the proposed solutions, please contact your
Sennheiser partner for assistance.
To find a Sennheiser partner in your country, search at
www.sennheiser.com.
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The rechargeable battery is almost
flat; you have approx. 15 minutes of
battery power left.
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Accessories
Accessories
Sennheiser recommend the following accessories for audio transmission:
Cat. No. Accessory: Sennheiser headphones
002146 HD 410
003985 HD 1029
502861 PX 90
004917 PMX 60
502860 PMX 90
005225 GP 03
Cat. No. Sennheiser accessory for your hearing aid
502566 EZT 3011 induction loop
003448 EZI 120 induction plates
In addition, the following EKI 830 accessories are available from your
specialist dealer:
Cat. No. Accessory
502710 L 300 10-10 charger
500898 BA 300 spare rechargeable battery
528185 Lanyard
528184 Clip
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Specifications
Specifications
Modulation FM
Carrier frequencies 2.3 MHz/2.8 MHz
Frequency response 50 Hz–16,000 Hz
Signal-to-noise ratio
(1 mV, peak deviation) typ. 75 dBA
THD < 1%
Operating time up to 12 hrs
Charging time for
rechargeable battery approx. 3 hrs
Power supply BA 300 Lithium-Polymer rechargeable battery
(3.7 V / 150 mAh)
Weight approx. 50 g (with rechargeable battery)
Dimensions approx. 70 x 60 x 25 mm
In compliance with:
Europe EMC: EN 55013, EN 55020, EN 60065
USA 47CFR15_B
Safety: UL 2054
Canada IC ICES-003
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Manufacturer Declarations
Manufacturer Declarations
Warranty
Sennheiser electronic GmbH & Co. KG gives a warranty of 24 months on
this product.
For the current warranty conditions, please visit our website at
www.sennheiser.com or contact your Sennheiser partner.
In compliance with the following requirements
• RoHS Directive (2002/95/EC)
• Battery Directive (2006/66/EC)
The supplied 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 Conformity
• EMC Directive (2004/108/EC)
The declaration is available at www.sennheiser.com.
Before putting the product into operation please observe the respective country-specific regulations!
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Manufacturer Declarations
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Sennheiser electronic GmbH & Co. KG
Am Labor 1, 30900 Wedemark, Germany
www.sennheiser.com
Printed in Germany, Publ. 05/12, 549106/A01
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