Silvercrest SKM 40 C1 Product information sheet

V 1.1
English....................................................................................2
Deutsch.................................................................................18

SilverCrest SKM 40 C1
2 - English
Table of contents
1. Intended use......................................................................... 3
2. Supplied items ...................................................................... 4
3. Description of the controls .................................................... 5
4. Technical data....................................................................... 5
5. Safety instructions ................................................................ 6
6. Prior to use ......................................................................... 10
7. First use .............................................................................. 10
7.1 Putting on and adjusting the headset .......................................................10
7.2 The audio jack cable .................................................................................11
7.3 Using the headset ......................................................................................11
7.4 The microphone .........................................................................................11
7.5 The multi-function button in the microphone.............................................12
7.6 Connecting an audio source.....................................................................12
7.7 Connecting another headset.....................................................................13
7.8 Transport or storage when not in use.......................................................13
8. Troubleshooting ................................................................. 14
8.1 No playback of external audio sources ..................................................14
8.2 Sound playback only in one headset earpiece.......................................14
8.3 No sound playback when connecting a second headset......................14
9. Cleaning ............................................................................. 14
10. Environmental and disposal information .......................... 15
11. Conformity information .................................................... 15
12. Warranty and servicing advice......................................... 16


SilverCrest SKM 40 C1
English - 3
Congratulations!
By purchasing the SilverCrest headphones SKM 40 C1, hereinafter referred to
as headphones, you have opted for a high-quality product.
Familiarise yourself with the headphones before using them for the first time,
and read these operating instructions carefully. Pay particular attention to the
safety instructions and use the headphones only as described in these
operating instructions and for the specified range of applications.
Keep these operating instructions in a safe place. Include all documents when
passing on the headphones to someone else.
1. Intended use
This headset is a consumer electronics device which is used for playback of
audio devices at normal listening levels. It is possible to connect external audio
sources such as an MP3 player or a smartphone. In addition, you can use the
device as a hands-free kit. The headset may only be used privately and not for
industrial or commercial purposes. Furthermore, the device may not be used in
tropical climates. These headphones comply with all standards and directives
specified in the EU Declaration of Conformity. The manufacturer does not
accept any liability for any resulting damage or faults in the event of
unauthorised modifications to the device. Only use accessories specified by the
manufacturer. Please observe the regulations and laws in the country of use.

SilverCrest SKM 40 C1
4 - English
2. Supplied items
Take the device and all accessories from the packaging. Remove all packaging
material and check that all parts are complete and undamaged. In the event of
an incomplete or damaged delivery, please contact the manufacturer.
A SilverCrest headset SKM 40 C1
B 3.5mm audio jack cable (with built-in microphone and button)
C These operating instructions (symbolic representation)

SilverCrest SKM 40 C1
English - 5
3. Description of the controls
These operating instructions have a fold-out cover. Fold out this page so that
you always keep the controls in sight. The numbers indicate the following:
1 Headband
2 Adjustment slider (for adjusting size)
3 Headset earpieces
4 3.5mm jack plug
5 Microphone (with built-in button)
6 3.5mm jack socket
4. Technical data
Model SKM 40 C1
Impedance 32 ohm +/- 4 ohm
Sensitivity (1mW/1kHz) 100 dB +/- 10%
Transmission range 20 to 20,000Hz
Wideband characteristic voltage
(WBCV)
110 mV +/- 10%
Dimensions (W x H x D) approx. 165 x 180 x 70 mm
Weight approx. 200 g
Length of audio jack cable (B) approx. 120 cm
Audio jack cable (B), plug 3.5 mm jack plug, gold-plated
Operating temperature 5°C to 35°C
Operating air humidity 85% rel. air humidity
Permissible storage conditions -10°C to +50°C, max. 85% rel.
humidity
The technical data and design may be changed without notification.

SilverCrest SKM 40 C1
6 - English
5. Safety instructions
Before using this headset for the first time, read the following instructions and
pay attention to all warnings, even if you are familiar with handling electronic
devices. Store these operating instructions in a safe place for future reference. If
you sell or pass on the headset to someone else, be sure to always include
these operating instructions as they are an integral part of the device.
Symbols used and their meaning
DANGER! This symbol in conjunction with the "danger"
note indicates an imminent dangerous situation which, if
not prevented, could result in serious injury or even death.
WARNING! This symbol in conjunction with the
"warning" note indicates important information for safe
operation of the device and the safety of the user.
Take care when using headphones. Listening at high
volume for prolonged periods of time can impair your
hearing.
This symbol indicates other important information on the
topic.
WARNING! The headphones can only be used with the
provided audio jack cable (B) labelled ‘SKM 40 C1’.
WARNING! Ensure that
no direct heat sources (e.g. heating) can affect the device
no direct sunlight or bright artificial light reaches the device

SilverCrest SKM 40 C1
English - 7
any contact with splashed and dripping water and corrosive liquids is
avoided and the device is not operated in the vicinity of water. In particular,
the device should never be submerged in liquid (do not place any items filled
with liquid, e.g. vases or drinks, on or near the device)
the device is not in the immediate vicinity of magnetic fields (e.g.
loudspeakers)
no fires sources (e.g. burning candles) are placed on or near the device
no foreign objects penetrate the device
the device is never subjected to extreme temperature fluctuations as this
could result in condensation and electrical short circuits. If the device was
subjected to extreme temperature fluctuations, however, wait (approx. 2
hours) until the device has reached ambient temperature before use
the device is never subjected to excessive shocks and vibrations
Always handle the audio jack cable (B) by the plug and do not pull on the
cable itself. Never place furniture or other heavy objects on the cable and
take care that the cable is not kinked, especially near the plug. Do not
connect the cable over hot or sharp points and edges to prevent damage.
Never make knots in the cable or tie it together with other cables. Ensure that
the cable is placed so that no one can trip over it and it does not cause an
obstruction.
DANGER! Children and persons
with disabilities
Electrical devices do not belong in the hands of children. Children may not
recognise potential risks. Persons with limited physical, mental or sensory
abilities should also only use electrical devices appropriately. Never allow
children to use electrical devices unsupervised unless they have been instructed
accordingly or are supervised by a person responsible for their safety. Children

SilverCrest SKM 40 C1
8 - English
should always be supervised to ensure that they do not play with this device.
Small parts can be fatal if swallowed.
Always keep plastic packaging out of reach also.
It poses a suffocation risk!
Operating environment
The device is not designed for use in environments with a high temperature or
humidity (e.g. bathrooms) or in extremely dusty conditions. Operating
temperatures and operating air humidity: 5°C to 35°C, max. 85% rel.
humidity.
DANGER! Pacemakers and implantable
cardioverter defibrillators (ICDs)
The headset (A) produces permanent magnetic fields which can interfere with
pacemakers and ICDs. Make sure that there is a distance of at least 10cm
between the headset earpieces (3) and the pacemaker or ICD.
WARNING! Health risks due to excessive
volume levels
Take care when using a headset. Listening at high volume for
prolonged periods of time can impair your hearing.
Do not use the headset (A) at high volumes. This impairs your hearing and may
disrupt your environment. Even if the device is designed to ensure that ambient
noise can still be heard, adjust the volume so that you can continue to hear the
ambient noise.
Never use the headset in situations that require your full attention. These
include, for example, driving vehicles, working with machinery or similar