Instruction ManualSK
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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
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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Important safety instructions
???Please read this instruction manual carefully and completely before using the device.
???Make this instruction manual easily accessible to all users at all times. Always include these instructions when passing the device on to third parties.
???Never open the device! If devices are opened by customers in breach of this instruction, the warranty becomes null and void.
???Water entering the housing of the device can cause a short- circuit and damage the electronics. Protect the device from damp and wet. Only use a slightly damp cloth to clean the device.
Intended use
Intended use of the device includes,
???having read this instruction manual, especially the chapter ???Important safety instructions???,
???using the device within the operating conditions and limitations described in this instruction manual.
Improper use
???Improper use??? means using the products other than as described in this instruction manual, or under operating conditions which differ from those described herein.
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SK
Together with a connected microphone, the transmitter can be used as a wireless microphone. Due to its small dimensions and extremely flat design, the SK
The transmitter is equipped with ??HiDynPlus??, the Sennheiser noise reduction system that reduces possible RF interference and improves the
Features
???Metal diecast casing with power pack
???
?????HiDynPlus?? noise reduction system
???
???Voltage converter ensures constant output power until the batteries are completely dischargeds
???Display of operating time with flash warning
???Transmission of battery status information to the receiver
???LED operation and peak indicator (ON/PEAK)
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Delivery includes
The packaging contains the following items:
1 SK
1 antenna
1 set of
1 instruction manual
Product overview
???Antenna socket
???Channel selector switch
???Type plate
???Catches
???Charge status display (on the power pack)
???On/off switch
???ON/PEAK LED
???Sensitivity switch for microphone input
???Microphone input
4
???
???
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Putting the SK
Selecting a microphone
The SK
???Unscrew the coupling ring inorder to unlock the special audio connector of the microphone.
Attaching and removing the battery pack
For powering the SK
The display ??? at the front of the power pack indicates the charge status of the batteries/ rechargeable batteries.
The transmitter also transmits the current battery status information to the receiver where it is shown on the display panel.
???
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To attach the B 50/B 250 battery pack:
???Using the thumb and index finger of one hand, push the two catches ??? on the transmitter as shown in diagram A.
The battery pack can now be removed from the transmitter.
???Insert the batteries into the battery compartment as shown in diagram B or C.
Depending on the battery pack, you have to insert 2 or 3 batteries:
+ + +
???Connect the battery pack to the transmitter.
The battery pack locks into place with an audible click.
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The B 50/B 250 battery pack
The B 50/B 250 battery pack has the following features:
???
???Reliable Low Batt indication
???Protection against total discharge
??? Provision of battery status information to the receiver
Attaching and removing the accupack
???Using the thumb and index finger of one hand, push the two catches ??? on the transmitter as shown in diagram A on page 6.
The accupack can now be removed from the transmitter.
???Connect the accupack to the transmitter.
The accupack locks into place with an audible click.
The BA 50/BA 250 accupack
The BA 50/BA 250 accupack has the following features:
??? Protection against total discharge
??? Intelligent,
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???Display indicates the maximum possible capacity after the accupack has been fully charged in the L 50 charger
???Measurement of actual capacity and consideration of natural ageing
???During operation, the percentage display decreases in correspondence to the remaining accupack capacity
Discharge the accupack from time to time
The capacity is calculated during a complete discharge cycle (between full charge and ???Low Batt??? indication).
???Discharge the accupack from time to time during normal operation until the ???Low Batt??? indication lights up.
The updated capacity is displayed after the next complete charge cycle.
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Attaching the transmitter to clothing
The transmitter is attached to clothing (e.g. belt, waistband) with the supplied belt clip. The clip is detachable so that you can also attach the transmitter with the cable and the antenna pointing downwards.
???Withdraw the clip from its fixing points and attach it the other way round.
In order to protect the transmit- ter against moisture, you can use the SK
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Using the SK
Switching the transmitter on
???Attach the power pack to the transmitter.
???To switch the transmitter on, set the on/off switch ??? to ON. The red operation indicator ??? lights up.
If the operation indicator ??? does not light up, check the power pack.
Setting the channel or the frequency
The assignment of a switch position/channel to a frequency is listed on the type plate ??? of the transmitter (see page 4).
???To select a channel or a corresponding frequency, set the channel selector switch ??? to the desired position.
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Adjusting the sensitivity
The sensitivity switch ??? allows you to adjust the gain of the microphone input in 8 steps. To provide for an accurate setting, use a receiver fitted with a deviation indicator when adjusting the sensitivity. The sensitivity is set correctly when the PEAK LED ??? flashes brightly only during peak levels.
In practice, the following settings have proved their worth for adjusting the sensitivity:
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Specifications
RF output power
Transmission frequencies
Frequency range
Switching bandwidth
Frequency stability
Spurious emission
Modulation
Nominal/peak deviation
Noise reduction system
Input sensitivity for peak deviation, adjustable in 8 steps
AF frequency response
Dynamik
THD
Connections
AF
RF
Dimensions with power packs
B 50/BA 50
B 250/BA 250
Weight with power packs
B 50/BA 50
B 250/BA 250
typ. 30 mW
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450???960 MHz
24 MHz
??5 ppm
< 4 nW
FM
??40 kHz/??56 kHz
Sennheiser ??HiDynPlus??
13.2 mV???1.55 V
50 Hz???18 kHz
112 dB (A)rms
< 2% at nom. deviation/1 kHz
94 x 60 x 17 mm
116 x 60 x 17 mm
approx. 197 g approx. 230 g
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EU:
Ru:
0682
Complies with the Radio, EMC and Safety requirements (R&TTE):
???EN
???EN
???EN
???EN 60065
N?? POCC DE.MJI05.H00180
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Accessories
The following accessories are available from your specialist dealer:
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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 web site at www.sennheiser.com or contact your Sennheiser partner.
This equipment is in compliance with the essential requirements and other relevant provisions of Directive 1999/5/EU. The declaration is available on the internet site at www.sennheiser.com. Before putting the equipment into operation, please observe the respective
WEEE Declaration
Your Sennheiser product was developed and manufactured with
normal waste at the end of its operational lifetime.
Please dispose of this product by taking 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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Statements regarding FCC and Industry Canada
This device complies with Part 15 of the FCC Rules and with
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular 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 interference by one or more of the following measures:
???Reorient or relocate the receiving antenna.
???Increase the separation between the equipment and receiver.
???Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
???Consult the dealer or an experienced radio/TV technician for help.
This class B digital device complies with the Canadian
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Changes or modifications made to this equipment not expressly approved by Sennheiser electronic Corp. may void the FCC authorization to operate this equipment.
Before putting the device into operation, please observe the respective
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Sennheiser electronic GmbH & Co. KG Am Labor 1
30900 Wedemark, Germany