Clas Ohlson MH304 Bedienungsanleitung
EnglishSvenskaNorsk
Suomi
Stereo headphone
Stereohörlurar
Stereohodetelefoner
Stereokuulokkeet
Art.no. Model
38-4449 MH304 Ver. 201105
2 3
2 3
English
Noise cancelling stereo
headphone and MP3 player
Art.no 38-4449 Model MH304
Please read theentire instruction manual before use and save it for future
reference. Wereserve theright for any errors in text or images and for making any
necessary technical changes to this document. Ifyou should have any questions
concerning technical problems please contact our Customer Services.
1. Safety
• Warning! Theproduct is powered by one rechargeable 3.7 V lithium-
ion battery. Donot attempt to replace thebattery with conventional or
rechargeable R03 battery as this may permanently damage theproduct.
Ifthebattery needs to be replaced, this must be done by aqualified
technician. Thereis awarning label over thebattery compartment. Ifthis
has been removed or damaged, thewarranty is void.
• Never expose theproduct to high temperatures, adusty environment,
severe vibrations, impacts, humidity and moisture.
• Have thebattery replaced if theproduct switches itself off or if nothing
happens when you press abutton.
• Avoid using theproduct in very dry surroundings where static electricity
may easily form.
• Do not dismantle or modify theproduct in any way.
• Warning! Donot use theproduct in such away that your attention is
reduced when you are in traffic and are driving acar, motorcycle, etc.
Donot use theproduct at such high volume that you are at risk because
you are distracted when walking, cycling or running.
• Switch off theheadphone and be sure to pay full attention to your
surroundings if you are crossing aroad or are in ahazardous traffic situation.
• Protect your hearing. Listeningwith thevolume set too high for along time
may result in permanent damage to your hearing.
• We cannot accept liability for lost data files on thememory cards that you use.
Itis theuser’s responsibility to take thenecessary steps to avoid data loss.
Makefrequent backups of your data files on different storage media.
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2. Description
• Stereo headphone with built–in noise-cancelling function (active noise
control, ANC) to reduce unwanted sounds from thesurroundings, eg noisy
environments, aircraft, trains, etc.
• Built-in MP3 player (a memory card is needed for theMP3 files) which
supports MP3/WMA format.
• Socket for SD/SDHC memory card (sold separately).
• Comes with a1.4 m connecting lead with a3.5 mm gold-plated
stereojack, aUSB lead and an airline adapter.
• Built-in rechargeable battery for aplaying time of up to 10 hours.
3. Thepackage contains
a. Stereoheadphones
b. USB lead (for file transfer and charging)
c. Userguide
d. Audiolead with 3.5 mm stereo jack at both ends
(for use as conventional headphones)
e. Adapterfor connection to theaudio socket on aircraft
a
c
e
b
d
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English
4. Functions
1. [ /; ] Power (switch), Play (start playback) and Pause (pause playback)
2. [ 9 ] Previous track
3. ANC switch
4. USB socket
5. [ + ] Increase volume
6. [ : ] Next track
7. [ - ] Reduce volume
8. Socketfor 3.5 mm stereo jack
9. Cardholder for SD/SDHC memory card
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4.1 Button functions
Button Press Playback mode Pause mode
[ /; ] Press Pause Resume playback
Hold Switch off Switch off
[ : ] Press Play next track Next track
Hold Fast forward Next track
[ 9 ] Press Play previous track Previous track
Hold Fast rewind Previous track
[ + ] Press Increase volume by steps Increase volume by steps
Hold Increase volume rapidly Increase volume rapidly
[ - ] Press Reduce volume by steps Reduce volume by steps
Hold Reduce volume rapidly Reduce volume rapidly
5. Use
5.1 Connection
Connect theUSB lead supplied to theUSB socket (4) on theheadphone
and aUSB socket on thecomputer. Ifyou have inserted amemory card into
theheadphone, its content will be displayed in thecomputer’s Explorer or
equivalent program. Youcan copy music files to thememory card or delete
them in theusual way.
Do not disconnect theheadphone when files are being read or transferred.
Thismay damage theheadphone or thememory card.
5.2 Charging
Connect theUSB lead supplied to theUSB socket (4) on theheadphone
and aUSB socket on thecomputer. Thebattery is charged via theUSB
socket on thecomputer. Thecharging time is about three hours. Duringchar-
ging, thered LED flashes. Whencharging is complete, theLED changes to
asteady light and float charging begins. Chargethebattery fully before you
use theheadphone.
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5.3 MP3 player
Open therubber cover on theunderside
and insert an SD/SDHC memory card
(sold separately) into thesocket (9) on
theheadphone. Ifthememory card
contains music files you can listen to them
straight away: Hold down [ /; ] for about
5to 6 seconds to start theMP3 player.
Thered LED lights up and playback starts
automatically with thefirst track on thecard.
The MP3 player is controlled with
themulti-controller.
• Press theupper part [ + ] or
thelowerpart [ - ] to increase or
reducethevolume.
• Press [ : ] or [ 9 ] to move forward or
back in theplaylist.
• Press [ /; ] to start or pause playback.
5.4 Noise cancelling function (ANC)
The headphone has afunction which reduces unwanted noise from
thesurroundings when activated. Thefunction is controlled with
theANCswitch (3). Movetheswitch (3) to ON to activate thefunction and
toOFF to de-activate it. WhentheANC function is active, ablue LED is lit.
NOTE: Power consumption is higher when thenoise cancelling function is
used, so theplaying time is reduced.
5.5 Use as conventional headphones connected
to an external sound source
Connect on 3.5 mm stereo jack to theheadphone socket of theaudio source
and thejack on theother end to thesocket (8) under thesmall rubber cover
on theheadphone.
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6. Troubleshooting
Problem Possible solution
Nothing happens when
Ipress [ /; ].
Playback stops.
Charge thebattery (three hours).
No sound in
theheadphones.
a. Checkthat thevolume is not set to 0.
b. Theaudio file may be damaged or
thewrong format. Tryanother track.
I can’t move files
from thecomputer to
theheadphone.
a. Checkthat theUSB lead is OK and properly
connected.
b. Checkthat there is aworking memory card
of thecorrect type in theheadphone.
The content of
thememory card
does not appear on
thecomputer.
a. Checkthat theUSB lead is OK and properly
connected.
b. Checkthat there is aworking memory card
of thecorrect type in theheadphone.
The player does not play
compressed MP3 files.
Check that thefiles have standard compression.
Theplayer cannot handle any other type.
A blue LED is lit even
though theheadphone is
switched off.
Switch off ANC with theswitch (3).
7. Wastemanagement
When thetime comes to dispose of theproduct, do so in accordance with
local regulations. Ifyou are not sure what to do, ask your local authority.
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8. Specifications
Dimensions 209 x 201 x 31 mm
Weight 218 g
Interface USB 2.0
Battery 340 mAh, 3.7 V lithium-ion
Connection for memory card SD/SDHC 1 GB/2 GB/4 GB/8 GB
Music formats MP3, WMA
File system FAT 16, FAT 32
MP3 sampling rate 8–320 kbps
WMA sampling rate 32–192 kbps
Output power 5 mW + 5 mW at 32 Ω
Frequency range 20 Hz – 20 kHz
S/N level > 50 dB
Distortion < 0.1 %
Max reduction of unwanted noise ≥ 15 dB
Playing time with fully-charged battery 10 hours without ANC,
8 hours with ANC activated*
Charging time About three hours
*The playing time depends on several factors, eg volume.
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Svenska
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Stereohörlurar med Noise
Cancelling och MP3-spelare
Art.nr 38-4449 Modell MH304
Läs igenom hela bruksanvisningen före användning och spara den sedan
för framtida bruk. Vireserverar oss för ev. text- och bildfel samt ändringar av
tekniska data. Vidtekniska problem eller andra frågor, kontakta vår kundtjänst
(se adressuppgifter på baksidan).
1. Säkerhet
• Varning! Produktendrivs av 1 st. laddningsbart 3,7 V litiumjonbatteri.
Försökinte att ersätta det med ettvanligt eller laddningsbart LR03-batteri
eftersom det kan medföra att produkten förstörs. Ombatteriet behöver
bytas ska utbyte endast utföras av kvalificerad tekniker. Överbatterifacket
finns envarningstext, om den är borttagen eller skadad upphör garantin
att gälla.
• Utsätt aldrig produkten för höga temperaturer, dammig miljö, starka
vibrationer, stötar, fukt eller väta.
• Det är dags att ladda upp batteriet när produkten stänger av sig själv eller
om inget händer när du trycker på dessknappar.
• Undvik att använda produkten imycket torra miljöer där statisk elektricitet
lätt uppstår.
• Produkten får inte demonteras eller ändras på något sätt.
• Varning! Användinte produkten så att din uppmärksamhet minskar när
du vistas itrafiken och t.ex. kör bil. Användinte produkten med hög volym
så att du utsätter dig för risker genom bristande uppmärksamhet om du
går, cyklar eller springer.
• Stäng av hörlurarna och se till att du har all uppmärksamhet på omgivningen
om du korsar enväg eller på annat sätt befinner dig ien farlig trafiksituation.
• Skydda din hörsel. Attlyssna med hög volym under lång tid kan leda till
bestående hörselskador.
• Vi tar inget ansvar för förlorade datafiler på använda minneskort.
Ansvaretför att vidta nödvändiga åtgärder mot förlust av data är
användarens. Görofta backup av dina datafiler på flera olika lagringsmedia.
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