Sennheiser EK 3241 User Manual

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EK 500
EK 3241
Instructions for use
/
Page 2
Contents
Safety instructions .................................................................... 3
Delivery includes ....................................................................... 3
Operating controls .................................................................... 5
LC display panel ......................................................................... 5
Putting the receiver into operation ....................................... 6
Connecting the antennas ................................................... 6
Mounting the receiver into a camcorder ........................ 6
Powering the receiver ........................................................ 7
Using the receiver ..................................................................... 8
Switching the receiver on/off ........................................... 8
The operating menu ................................................................. 9
The functions of the buttons ............................................ 9
Working with the operating menu ............................... 10
Overview of the operating menu .................................. 14
Adjustment tips for the operating menu .......................... 16
Adjusting the headphone volume – PHonE ................ 16
Selecting a channel – CHAn ............................................ 16
Selecting the frequencies to be stored in the
channel bank “U” (variable bank) – tunE ................... 17
Adjusting the squelch threshold – SquELH ................. 17
Activating/deactivating the automatic receiver
switch-on/off via the camcorder – Auto ..................... 17
Selecting the standard display – dISP ......................... 18
Loading the factory-preset
default settings– rESEt ................................................... 18
Activating/deactivating the lock mode – Loc ............ 18
Exiting the selection mode and returning to
the standard display – ESc ............................................. 18
Care and maintenance ........................................................... 19
If a problem occurs ... ............................................................. 20
Error checklist ................................................................... 20
Recommendations and tips ................................................. 21
Additional information ......................................................... 22
Diversity reception ........................................................... 22
Information on the compander system ....................... 22
Accessories .............................................................................. 23
Operating the EK 3241 with headphones ................... 23
Specifications .......................................................................... 24
Connector assignment (operation with GA 3041-C) 25
Manufacturer Declarations ................................................... 26
Warranty regulations ...................................................... 26
CE Declaration of Conformity ......................................... 26
Batteries and rechargeable batteries ........................... 26
WEEE Declaration ............................................................. 26
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Thank you for choosing Sennheiser!
We have designed this product to give you reliable operation over many years. Over 60 years of accumulated expertise in the design and manufacture of high-quality electro-acoustic equipment have made Sennheiser a world-leading company in this field.
Please take a few moments to read these instructions carefully, as we want you to enjoy your new Sennheiser products quickly and to the
.
fullest
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Safety instructions

y Please read these instructions carefully and completely
before using the receiver.
y Make these instructions easily accessible to all users at all
times. Always include these instructions when passing the receiver on to third parties.
y Never open electronic units! If units are opened by
customers in breach of this instruction, the warranty becomes null and void.
y Water entering the housing of the receiver can cause a
short-circuit and damage the electronics. Protect the receiver from damp and wet. Only use a slightly damp cloth to clean the receiver.

Intended use of the receiver

“Intended use” means that the receiver should be used within the operating conditions and limitations described in these instructions.

Improper use

“Improper use” means using the receiver other than as described in these instructions, or under operating conditions which differ from those described herein.

Delivery includes

Delivery of the EK 3241 receiver includes:
y 1 EK 3241 true diversity receiver
y 2 antennas
y 1 instructions for use
For accessories, please refer to page 23.
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The EK 3241 true diversity receiver

The EK 3241 is a miniature true diversity receiver designed for use with digital ENG camcorders. It can be inserted into the slot-in facility of e.g. Ikegami, Panasonic, Sony or Thomson camcorders without any additional connecting cables being required. The GA 3041-C slot-in housing is used for externally attaching the receiver to camcorders without a slot-in facility. Together with a suitable Sennheiser bodypack or hand-held transmitter, a highly reliable radio link can be set up.
The EK 3241 receiver has the following features:
y Extremely compact and robust all-metal housing
y Special protection against the ingress of moisture and
therefore suitable for outdoor applications
y Mounting kits available for all current professional
camcorders
y Power supply via camcorder or GA 3041-B battery
adapter
y User-friendly, menu-assisted operation via LC display
y High operational reliability due to true diversity reception
y HiDyn plus™ noise reduction system
y Up to 32 preset receiving frequencies
y 36 MHz switching bandwidth
y Frequencies tunable in steps of 5 kHz
y Signal-to-noise ratio >110 dB
S/N
.

Suitable transmitters

Bodypack transmitters: SK 50, SK 250, SK 3063,
SK 5012, SK 5212 Hand-held transmitters: SKM 3072, SKM 5000, SKM 5200 Plug-on transmitters: SKP 3000
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Operating controls

SET button
Antenna socket, diversity section A
ON/OFF button
LC display panel
button (Down)
button (UP)
Antenna socket, diversity section B

LC display panel

“RF” – appears when an RF signal is being received
8-step level display for received RF signal
Numeric display
8-step level display for received audio signal
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Putting the receiver into operation

Connecting the antennas

The receiver is supplied with two antennas which are necessary for true diversity operation (see “Diversity reception” on page 22).
Connect the antennas to the

Mounting the receiver into a camcorder

antenna sockets and .
Screw the antennas tight.
The receiver can be inserted into the slot-in facility of most professional camcorders. Suitable mounting kits are avail­able as accessories from your Sennheiser partner.
Mounting kits are available for the following camcorder types (see “Accessories” on page 23):
Camcorder Mounting kit
Sony GA 3041-15 (15-pin)
Ikegami, Panasonic GA 3041-25 (25-pin)
Thomson GA 3041-44 (44-pin)
A mounting kit consists of:
y 1 sub-D adapter
y 1 mounting frame
y Screws
By way of example of an Ikegami or Panasonic camcorder, the following describes how to insert the receiver into the camcorder’s integrated receiver slot:
Secure the sub-D adapter to
the bottom of the receiver
using two screws .
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Secure the mounting frame
to the camcorder housing using four screws .
Insert the receiver into the
slot-in facility until the 25-pin connector securely connects.
Screw the receiver (from
above) to the mounting frame.

Powering the receiver

The receiver can be powered from three different power sources:
Power source Notes on operation
Camcorder with mounting kit See page 6
Camcorder with GA 3041-C slot-in housing
GA 3041-C slot-in housing with GA 3041-B battery adapter and BA 50/BA 250 accupack or B 50/B 250 battery box
See instructions for use of the GA 3041-C
See “Accessories” on page 23 and instructions for use of the GA 3041-C
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Using the receiver

Switching the receiver on/off

Note:
The receiver can only be switched off when the lock mode is deactivated (see “Activating/deactivating the lock mode – Loc” on page 18).
neue Abb. von Sennheiser
Note:
When in the setting mode of the operating menu, the
ON/OFF button will cancel your entry (ESC function).
To switch the receiver on,
briefly press the ON/
OFF button .
The standard display is shown
on the LC display panel
To switch the receiver off,
press the ON/OFF button until “OFF” appears on the LC
display panel The LC display panel goes off.
.
.
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The operating menu

The functions of the buttons

Button Mode Function
ON/OFF Switched off Switches the receiver on
Display mode y Briefly pressing the button
(with activated lock mode): Calls up the lock mode for deactivation
y Pressing the button for
3 sec. (with deactivated lock mode): Switches the receiver off
Selection mode Cancels the entry and returns
to the display mode
Setting mode Cancels the entry and returns
with the last setting stored to the last parameter displayed in the display mode
SET Display mode y With deactivated lock mode:
Changes to the selection mode
y With activated lock mode:
Calls up the lock mode for deactivation
Selection mode Changes to the setting mode
of the selected menu
Setting mode Stores the setting and returns
to the selection mode (“StorEd” is displayed)
/ Display mode Changes to the previous
parameter () or changes to the next parameter ()
Selection mode Changes to the previous menu
() or changes to the next menu ()
Setting mode Increases () or reduces ()
the setting of the selected menu
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Working with the operating menu

By way of example of the “dISP” menu, this section describes how to use the receiver’s operating menu.
The operating menu has three modes:
y Display mode
In display mode, you can display the current menu settings one after the other – even when the lock mode is activated.
y Selection mode
In selection mode, you can select the menu whose setting you want to change. To change to the selection mode, the lock mode must be deactivated.
y Setting mode
In setting mode, you can change the setting of the selected menu.
Display mode
Current standard display
Selection mode
dISP
SET SET
Selecting the standard display
FrEq
Current setting
StorEd
Setting mode
CHAn
CHAn, FrEq, Bat.tr
SET
:

After switch-on

After switch-on, the standard display is shown on the LC display panel. Depending on the setting, the receiving frequency, the channel number or the battery status of the corresponding transmitter is displayed.
Note:
In order that the transmitter battery status can be displayed on the “BAt.tr” standard display, this functionality must be supported by the transmitter used (see “Suitable transmitters” on page 4).
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Displaying the menu settings in display mode

In display mode, and with the lock mode activated, you can display the current menu settings one after the other (see “Overview of the operating menu” on page 14).
button or the
ON SET
Press the
button to display the menu settings. If you press the button repeatedly, all menu settings are displayed one
after the other. After approx. 15 seconds, the display returns to the standard display.

Changing to the selection mode

To change from display mode to selection mode, you have to deactivate the lock mode.
ON SET

Selecting a menu

ON SET
Deactivate the lock mode as
described in the chapter “Activating/deactivating the lock mode – Loc” on page 18.
Press the
button to select the
button or the
menu whose settings you want to adjust.
Press the SET button to
change to the menu that was displayed in display mode.
Press the
button.
button or the
Press the SET button .
The name of the selected menu starts flashing.
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The following menus are available:
Menu Function of the menu
PHonE Adjusting the headphone volume*
CHAn Selecting a channel
tunE Setting receiving frequencies for the
channel bank “U” (variable bank)
SquELH Adjusting the squelch threshold
Auto Activating/deactivating the automatic receiver
switch-on/off via the camcorder
dISP Selecting the standard display
rESEt Loading the factory-preset default settings
Loc Activating/deactivating the lock mode
ESc Exiting the selection mode and returning
to the standard display
*) If the receiver is inserted into the slot-in facility of a camcorder, the “PHonE“ menu is deactivated
(see
page 23).

Changing to the setting mode of a selected menu

ON SET
Press the SET button to

Adjusting a setting

Use the
button or the button to adjust the
setting of the selected menu.
y
By pressing the button or the
ON SET
jumps either forwards or backwards to the next setting.
y
In the “CHAn”, “tunE”, “PHonE or “SquELH” menu, the buttons “fast search” function, i.e. the display cycles continuously. the “ the display is continuously accelerated. The “fast search” function allows you to get fast and easily to your desired setting.
change to change to the setting mode of the selected menu. The current setting that can be adjusted flashes on the LC display panel .
button, the display
and
feature a
tunE
” menu, the cycling of
In
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Storing a setting

ON SET

Cancelling an entry

Press the SET button
permanently store a setting
StorEd
” appears on the display panel, indicating that the setting has been stored. The display then returns to selection mode.
to
.
ON SET
Select the “ESc” menu to exit
the selection mode and to return to the standard display. When in the selection or setting mode, briefly pressing the ON/OFF button will cancel your entry (ESC function) and return you to the standard display with the last stored settings.
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Overview of the operating menu

Deactivate the lock mode before adjusting the settings (see “Activating/deactivating the lock mode – Loc” on page 18). Pressing the ON/OFF button will cancel your entry (ESC function) and return you to the display mode.
Display mode
Current headphone volume
Current channel bank
Current frequency
Selection mode
PHonE
Adjusting the headphone volume
CHAn
Changing the channel bank and the channel
SET
tunE
Setting the frequencies for the channels of channel bank “U”
Setting mode
SETSET
PH . 95 PH . 15
Current setting
StorEd
/ :
PH . 0...PH . 126, in steps of 1
SET
550.385
1 sec.
Receiving frequency
1 sec.
SETSET
U . 20
:
Channel U .01...U .20 F .01...F .32
StorEd
RF
SET
550.385 516.205
Current frequency
StorEd
SET
SET
F . 01
:
Channel F .01...F .32 U .01...U .20
:
Adjusting the frequency
Current squelch threshold
Current setting of switch-on function
14
SquELH
Adjusting the squelch threshold
Auto
Automatic switch-on via camcorder or manual switch-on
SETSET
SqL. 35 SqL. 25
Current setting
StorEd
SETSET
Aut. on Aut. oFF
Current setting
StorEd
SET
SET
:
O5...40 in steps of 5
:
on, oFF
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Display mode
Selection mode
Setting mode
Current standard display
dISP
Selecting the standard display
rESEt
Loading the factory-preset default settings
Loc
Setting the autolock function
ESc
Exiting the operating menu
SETSET
BAt.tr CHAn
Current setting
StorEd
SET
rSt. no rSt. YES
Security check
SET
SET
Loc. on Loc. oFF
Current setting
StorEd
/ :
CHAn, FrEq, BAt.tr
SET
:
YES, no
“reset” = YES, Receiver loads factory-preset default settings, standard display appears
“reset” = no, reset is cancelled
:
Loc. on Loc. oFF
SET
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Adjustment tips for the operating menu

Adjusting the headphone volume – PHonE
If you operate the receiver with a modified version of the GA 3041-C slot-in housing (see headphone volume via the “PHonE” menu. The volume can be adjusted between 0 and 126.
Caution! High volume!
Even short exposure to high volume levels can damage your hearing! Adjust the volume for the connected headphones to a medium level before putting the head­phones on.
Selecting a channel – CHAn
Via the “CHAn” menu, you can switch between the channels in the channel banks “U“ (variable bank) and “F“ (fixed bank).
page 23), you can adjust the
When changing to the setting mode of the “CHAn” menu, the current channel number appears on the LC diplay panel. After approx. 1 second, the currently assigned receiving frequency is displayed.
1 sec.
To select a different channel, press the
the
button. The new channel number appears on the LC display panel for approx. 1 second and then the currently assigned receiving frequency is displayed. The receiver immediately switches to the selected channel but does not permanently store it.
To store the selected channel, press the SET button .
Note:
If you exit the setting mode via the “ESc” menu, the receiver switches back to the previous channel.
button or
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Selecting the frequencies to be stored in the channel bank “U” (variable bank) – tunE
Via the “tunE” menu, you can freely select the frequencies to be stored in the channel bank “U” (variable bank).
Via the “CHAn” menu, select the channel whose
frequency you want to change.
Note:
The frequencies stored in the channel bank “F” (fixed bank) cannot be changed. When you have selected the channel bank “F” and then select the “tunE” menu, the receiver automatically switches to channel 01 of the channel bank “U” and “U.01” briefly appears on the LC display panel .
To change the frequency of the selected channel, press
the
button or the button. The frequencies are tunable in 5-kHz steps within a switching bandwidth of 36 MHz max.
Adjusting the squelch threshold – SquELH
Via the “SquELH” menu, you can adjust the squelch threshold. The squelch eliminates annoying noise during transmission pauses or when the received RF signal gets weaker.
Notes:
y If the squelch threshold is adjusted too high, the
transmission range will be reduced. Therefore, always adjust the squelch threshold to the lowest possible setting.
y When in the setting mode of the “SquELH” menu,
pressing the button (DOWN) for more than three seconds will switch the squelch off. “Sql.off” appears on the display. If no RF signal is being received, hissing noise will occur. This setting is for test purposes only.
Activating/deactivating the automatic receiver switch-on/off via the camcorder –
Auto
Via the “Auto” menu, you can activate or deactivate the automatic receiver switch-on/off via the camcorder.
Setting Function
Aut.on Automatic receiver switch-on/off via
the camcorder is activated
Aut.oFF Automatic receiver switch-on/off via
the camcorder is deactivated
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Selecting the standard display – dISP
Via the “dISP” menu, you can select one of the following standard displays:
Channel Frequency Battery status “CHAn”“FrEq”“BAt.tr
The selected standard display is shown
y after switch-on,
y after the parameters have been displayed for 15 seconds
in display mode.
Note:
In order that the transmitter battery status can be displayed on the “BAt.tr” standard display, this functionality must be supported by the transmitter used (see “Suitable transmitters” on page 4).
Loading the factory-preset default settings – rESEt
Via the “rESEt” menu, you can load the factory-preset default settings. After the reset, the standard display is shown on the LC display panel.
Caution:
The frequencies in the channel bank “U” (variable bank) are also reset.
Headphone volume: 20 Squelch threshold: 10 Standard display: frequency Current receiving channel: F.01 Automatic switch-on/off
via camcorder: activated Lock mode: deactivated
Activating/deactivating the lock mode – Loc
Via the “Loc” menu, you can activate (Loc.on) or deactivate (Loc.oFF) the lock mode of the receiver.
Exiting the selection mode and returning to the standard display – ESc
Via the “ESc” menu, you can exit the selection mode and return to the standard display.
When in the selection or setting mode, briefly pressing the
ON/OFF button will cancel your entry (ESC function) and
return you to the standard display without saving any changes.
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Care and maintenance

CAUTION!
Water can damage the electronics of the receiver!
Water entering the housing of the receiver can cause a short-circuit and damage the electronics.
Only use a slightly damp cloth to
clean the receiver.
Do not use any solvents or cleansing
agents.
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If a problem occurs ...

Error checklist

Problem Possible cause Possible solution
No display indication
No RF signal indication
RF signal indication available, no audio signal
Audio signal has a high level of back­ground noise
Audio signal is distorted
The receiver’s power supply is interrupted
No RF signal: transmitter and receiver are not on the same channel
No RF signal: the transmitter is out of range
The receiver’s squelch threshold is adjusted too high
The transmitter sensitivity is adjusted too low
The maximum effective range of the RF link has been reached
The transmitter sensitivity is adjusted too high
The receiver is overmodulated
Check if the receiver is correctly inserted into the camcorder (see page 6)
or check if the GA 3041-B battery adapter is correctly mounted (see page 7)
Set transmitter and receiver to the same channel
Reduce the distance between transmitter and receiver
See “Adjusting the squelch threshold – SquELH” on page 17
Adjust the transmitter sensitivity correctly
Reduce the distance between transmitter and receiver
Adjust the transmitter sensitivity correctly
Increase the distance between transmitter and receiver (see page 21)
If a problem occurs that is not listed in the above table or if the problem cannot be solved with the proposed solutions, please contact your local Sennheiser agent for assistance.
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Recommendations and tips

...for optimum reception

To avoid overmodulating the receiver, maintain the recommended minimum distance of 5 m between trans­mitter and receiver.

...for multi-channel operation

When operating a multi-channel system, make sure to only use intermodulation-free frequencies. For rapid calculation of intermodulation-free frequencies, you can use the SIFM (Sennheiser Intermodulation and Frequency Management) software, which can be downloaded from the Internet at www.sennheiser.com under “Wireless Systems”.

...for a long service life of the battery box or accupack

Remove the battery box or accupack from the slot-in housing when the receiver will not be used for extended periods of time. Store the battery box or accupack in a cool and dry place.
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Additional information

Diversity reception

The EK 3241 operates on the “true diversity” principle:
A receiving antenna receives not only the electromagnetic waves which reach it by a direct path, but also the reflections of these waves which are created in the room by walls, windows, ceilings and fittings. When these waves are superimposed, destructive interference occurs, which can also be called “field strength gaps”. Repositioning the receiving antenna can bring a solution, provided the transmitter remains in its original position. With mobile transmitters, however, 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 diversity, instead of one antenna and one receiver there are now two antennas and two receiver sections. The antennas are spatially separated. By means of a comparison circuit, the receiver section with the strongest RF signal is always switched to the common AF output. The risk of the occurrence of “field strength gaps” in both antennas at the same time is virtually nonexistant.

Information on the compander system

This receiver is equipped with HiDyn plus™, the Sennheiser noise reduction system that reduces RF interference. HiDyn plus™ offers extreme operational reliability and ensures highest transmission quality.
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Accessories

Product name Product description Cat. No.
GA 3041-B Battery adapter 004643 GA 3041-C Slot-in housing 004642 GA 3041-15 Mounting kit with 15-pin
sub-D adapter for Sony
GA 3041-25 Mounting kit with 25-pin
sub-D adapter for Ikegami or Panasonic
GA 3041-44 Mounting kit with 44-pin
sub-D adapter for Thomson GA 3041-QP Quadpack 005105 B 50 Battery box (2 cells) 500820 B 250 Battery box (3 cells) 500822 BA 50 Accupack (NiMH, 2 cells) 500821 BA 250 Accupack (NiMH, 3 cells) 500823 DC supply cable DC supply cable (20 cm)
with special connectors
004639
004640
004641
075584

Operating the EK 3241 with headphones

In order to be able to connect headphones to the EK 3241 receiver, you require a modified version of the GA 3041-C slot-in housing (see “Accessories” above). Please contact your Sennheiser Service Partner.
Caution! High volume!
Even short exposure to high volume levels can damage your hearing! Adjust the volume for the connected headphones to a medium level before putting the head­phones on.
Adjust the volume as described in the section “PHonE
on page 16.
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Specifications

Modulation wideband FM Frequency range 450 – 960 MHz Receiving frequencies 1 channel bank “F” with up to
32 factory-preset frequencies
1 channel bank “U” with up to 20 freely selectable frequencies
(tunable in steps of 5 kHz) Switching bandwidth 36 MHz Nominal/peak deviation ±40 kHz / ±56 kHz Frequency stability
(–10 °C to +55 °C) De-emphasis 50 μs Sensitivity
(with HiDyn plus™) Adjacent channel
rejection Intermodulation
attenuation (400 kHz/800 kHz)
Antenna inputs/ Impedance
Squelch threshold 0 – 100 μV,
Compander system Sennheiser HiDyn plus™ AF frequency response 50 – 20,000 Hz Signal-to-noise ratio
(1 mV, peak deviation) THD
(nom. deviation, 1 kHz)
±10 ppm
typ. 10 μV for 90 dBA
70 dB
> 70 dB
2 sockets/50 Ω
adjustable in steps of 5 dB
100 dB(A)
1%,
typ. 0.8 % for overall system
rms S/N
Operation with GA 3041-C
AF output XLR-3 socket:
+9 dB (2.2 V
Terminating impedance 10 kΩ Power supply 4-pin DC socket,
electronically balanced,
pin 1: ground, pin 4: 10.5 – 18 V
Operation with GA 3041-B
Power supply 1.8 – 4.8 V (internally DC/DC
adjusted to max. 3.2 V) Current consumption approx. 150 mA at 2.4 V Operating time approx. 9 hrs (with BA 50)
approx. 13 hrs (with BA 250)
approx. 10 hrs (with B 50)
approx. 18 hrs (with B 250)
Overall device
Temperature range –10 °C to +55 °C Dimensions [mm] approx. 120 x 74 x 28 Weight approx. 200g
rms
/1 kHz)
DC
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The device complies with the following standards:
Radio: ETSI EN 300422-1/-2, Class 2 EMC: ETSI EN 301489-1/-9 FCC: Part 15, Subpart B Canada: RSS 210, RSS 123 Issue 1 Rev. 2
IC: 2099A-EK3241

Connector assignment (operation with GA 3041-C)

XLR-3 connector (female), balanced
21
+
3
4-pin DC socket
Pin 1: ground Pin 4: 10.5 – 18 V
DC
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Manufacturer Declarations

Warranty regulations

The guarantee period for this Sennheiser product is 24 months from the date of purchase. Excluded are accessory items, rechargeable or disposable batteries that are delivered with the product; due to their characteristics these products have a shorter service life that is principally dependent on the individual frequency of use.
The guarantee period starts from the date of original purchase. For this reason, we recommend that the sales receipt be retained as proof of purchase. Without this proof (which is checked by the responsible Sennheiser service partner) you will not be reimbursed for any repairs that are carried out.
Depending on our choice, guarantee service comprises, free of charge, the removal of material and manufacturing defects through repair or replacement of either individual parts or the entire device. Inappropriate usage (e.g. operating faults, mechanical damages, incorrect operating voltage), wear and tear, force majeure and defects which were known at the time of purchase are excluded from guarantee claims. The guarantee is void if the product is manipulated by non-authorised persons or repair stations. In the case of a claim under the terms of this guarantee, send the device, including accessories and sales receipt, to the responsible service partner. To minimise the risk of transport damage, we recommend that the original packaging is used. Your legal rights against the seller, resulting from the contract of sale, are not affected by this guarantee.
The guarantee can be claimed in all countries outside the U.S. provided that no national law limits our terms of guarantee.

CE Declaration of Conformity

This equipment is in compliance with the essential requirements and other relevant provisions of Directives 1999/5/EC, 89/336/EC or 73/23/EC. The declaration is available on the internet site at www.sennheiser.com. Before putting the device into operation, please observe the respective country-specific regulations!

Batteries and rechargeable batteries

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.

WEEE Declaration

Your Sennheiser product was developed and manufactured with high-quality materials and components which can be recycled and/ or reused. This symbol indicates that electrical and electronic equipment must be disposed of separately from normal waste at the end of its operational lifetime.
Please dispose of this product by bringing it to your local collection point or recycling centre for such equipment. This will help to protect the environment in which we all live.
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Sennheiser electronic GmbH & Co. KG 30900 Wedemark, Germany Phone +49 (5130) 600 0 Fax +49 (5130) 600 300 www.sennheiser.com
Printed in Germany Publ. 08/06 516549/A01
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