Helmer BM207M User manual

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ManualInstructions
BM207M
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Contents
SafetyInformation
Chapter1:Understandingyouramplifier
1.1Features
1.2PackageContent
1.3RemoteControl
1.4WiringInstruction
1.5DeviceLayout
Chapter2:Installation
Chapter3:GettingStarted
3.1MainManu
3.2Music
3.3Movie
3.4Radio
3.5Bluetooth
3.6Input
3.7Explorer
3.8Setting
Chapter4:TechnicalParameters
Helmer

SafetyInformation
1.Don’tusethisproductinawetenvironment.
2.TheproductappliestopowersupplyAC100‐250V,ifyoudon'tuseitfora
longtime,pleaseturnoffthepower.
3.Pleasemakesurethatthespeakerline,powerline,audioinputlineare
connectedcorrectly.
4.Don’topenandrepairtheproductbyyourself.
5.Iftheproductcrashes,youcanpresstheresetbuttoninthelowerleft
corneroftheproducttoreset.
Chapter1:Understandingyouramplifier
1.1Features
1.5‐inchCapacitiveTouchScreen
2.StereoAmplifierModule(4x25W)
3.Bluetoothconnectivityforwirelessaudioinputofsmartphone,pad,etc.
4.1xWiredAudioInput(onrearPCB)
5.MicroUSBandTFcardplayer(atbottomofunit)
6.Built‐inFMradio(87‐108MHz)
7.1xWiredAudioOutput(onrearPCB)
8.PictureFormat:supportJPG,BMP,GIF,PNG
9.AudioFormat:supportMP3,WMA,FLAC,AAC,APE,AC3,etc.
10.VideoFormat:supportMKV(MPEG2/RMVB/WMV9/XVID/H.264),
AVI(XVID/H.264),MP4/M4V(XVID/H.264),VOB(MPEG2),PMP(XVID/H.264),
RM/RMVB(RVB/9),MPG(MPEG1/MPEG2),FLV(H.263/H.264),3GP,DIVX,DAT,
etc.
11.Supportcalendardisplay.
12.Supportinfraredremotecontrol.
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1.2PackageContent
1xamplifier
1xmetalbracket
1xbackbox
1xremotecontrol(cellbatteryCR20253Visnotincluded) 
2xscrewsformounting
1xMicroUSB‐USBcable
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1.3RemoteControl
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① ON/OFF
② OK/confirm
③ Mute
④ Play/Pause
⑤ Volumeup
⑥ Next
⑦ Previous
⑧ Volumedown
⑨ Mode
⑩ Escape
Helmer

1.4WiringDiagram
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1.5DeviceLayout
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Helmer

Chapter2:Installation
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1.Prepareallthecablesgoingthroughthebackboxandwaitforconnecting
withamplifier
2.Fixthemetalbracketonbackboxwithscrews
3.Connectallthecableswiththeterminalsofdevice
4.Hangthedeviceonbracket
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Chapter3:QuickStart
3.1MainManu
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3.2Music
Thereisshortcutpageonhomescreenthatyoucanplaymusicdirectly.
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Music:Playmusic
Video:Playvideoandpicture.
FM:FMradio
Bluetooth:Canconnectwithphone/padviaBT.
Input:InputsourcelikeDVD,MP3player,etc.
Explorer:ReviewfilefromUSBorSDcard.
Setting:Setlanguage,background,output,etc.
Themainmenuhavemusic,video,
FMradio,Bluetooth,AUXin,explorer,
andsettingonhomescreen.
Youcanclicktheicononscreento
choosethefunctionoruseremote
control.
Helmer

Youcanclickthe“Music”ofshortcutpagetogetintomusicplayer.
Click setting
Backtohomescreen.  Chooseplaymode.
ChoosedifferentEQ. Displaylyricorspectrum
Choosecoloroflyric
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3.3Movie
Click“Movie”onhomescreenintovideoplayer.
YoucanchooseplayfromUSBorTFcardorthedeviceROM.
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3.4Radio
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•ShortpressonPrevious
orNextbutton,the
frequencywillchange
0.1MHz.Longpresson
Nextbuttontosearch
automatically.
•YoucanpressonMode
tosetchannel,auto
search,FMrecordand
searchmanually.
3.5Bluetooth 
EnterBluetoothfunction,youcanfindtheBluetoothname“MUSIC”from
mobilephoneorpad.Choosetopairwithit.
Thenyoucanplaymusicfromphonetoamplifier.
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3.6Input
Whenyouaudioinputconnectedtothedevice,youcanfindithere.
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3.7Explorer
TochooseTFcardorUSBtoviewthecontentinthem. 
Notice:onlysupportedformatpictures/songs/videoscouldbereviewed.
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3.8Setting
•Language:tochangetoEnglish•Background:3options
•Output:ChoosevideoformatNTSCorPAL.    •Backlight
•Startup:Chooseplayingmusic/movie/FM/Home/BTwhenstartthedevice.
•Screensaver:Selectin30s/60s/90s/neverforscreensaver  •Factorydefault
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Helmer

Chapter4:TechnicalParameters
5"CapacitiveTouchScreen
PowerSupply:AC100‐240V
OutputPower:25W+25W+25W+25W(max)
InputImpedance:10KΩ
OutputImpedance:4‐8Ω
THD:0.03%
Frequencyresponse:20Hz‐20KHz±3db
ROM:4G,ExtendedMemorycardupto32G
BluetoothTransmissionDistance:≤10M
Productsize:147.6x89.5x48mm
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Helmer