Sign F4 User manual

ShenzhenTongkeElectronicsCo.,Ltd
www.sztongke.com
Add:TheSecondIndustrialZone,PhoenixVillage,FuyongTown,Shenzhen,China518103
Tel:8675533856685Fax:8675533893336
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UserManual
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MODELNO:F4
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ShenzhenTongkeElectronicsCo.,Ltd
www.sztongke.com
Add:TheSecondIndustrialZone,PhoenixVillage,FuyongTown,Shenzhen,China518103
Tel:8675533856685Fax:8675533893336
1. ProductOverview
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1.1KeyFeature
‐BluetoothCSRV4.0
‐BuiltinFMradio
‐Compatibility:workswithmostBluetoothsmartphones,tablets,musicdevices,Bluetooth2.1
orabove
‐InternalrechargeableLi‐ionbattery,singlefullychargewith4‐houroperatinglifetime
‐VoicepromptforconvenientfeedbackduringBluetoothMode
‐Connectivity:
AudioConnections:3.5mmLinein
Bluetoothprofiles:A2DP,AVRCP,
Bluetoothrange:Lineofsight,10Mor30FT
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1.2PackingContent
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UserManual1pc
9V/1AAdapter1pc
Audiocable1pc
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2. ElectricalSpecification
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2.1 AudioPerformance:
- Driver:2pcs3.5”fullrangedriver
- RMSOutput:10Wx2
SystemSNR:>65dB@1W
THD:<10%attheMaxVolume
Loudness:SPL>75dB@1kHzsinewave(input:800mV,MaxVolume)
Frequencyresponse:60Hz–18kHz
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2.2 PowerSolution:
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- Built‐in18650Lithiumbattery7.4V2200mAh,singlefullychargedwith4‐houroperating
lifetime
- 9V/1AAC/DCadaptorcharger,5V/1AUSBchargingout,singlefullychargetimeis4hrs
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ShenzhenTongkeElectronicsCo.,Ltd
www.sztongke.com
Add:TheSecondIndustrialZone,PhoenixVillage,FuyongTown,Shenzhen,China518103
Tel:8675533856685Fax:8675533893336
2.3 OperationInstructions:
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1.Poweron/off
2.DCchargeout5V/1Aforsmartphone,andotherbattery‐powereddevices
3.DC‐IN9V/1A
4.ChargingindicationLed
5.AUX‐IN
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TouchKeyPanel
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ShenzhenTongkeElectronicsCo.,Ltd
www.sztongke.com
Add:TheSecondIndustrialZone,PhoenixVillage,FuyongTown,Shenzhen,China518103
Tel:8675533856685Fax:8675533893336
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Operationsinstructionforbluetoothmode
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ShortpressingforModechangebetweenBluetooth/FM/AUX
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Shortpressinggoprevious
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ShortpressingforPlay/Pause,3’slongpressingforcuttingoffconnected
Bluetoothdevice
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Shortpressinggonext
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Shortpressingforvolumedown
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Shortpressingforvolumeup
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OperationsinstructionforFMRadiomode
ChoosingtheFMmode,ifitisthefirsttimeforyoutousethisunit,pleasechooseFMstatusby
longpressing“Xll"keyfirstly,itwillsearchtheFMchannelsandsavethestationsautomatically.
Touching“ ”or“”,youcanchoosethepreviousornextFMstation.
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OperationsinstructionforAUX‐inmode
Touching”M”keytochooseAUXINstatusfromtheunit,itwillenterintotheAUXINstatus
automatically.Plugoneendofthecordintothespeakerandtheotherintotheheadphonejackon
yourdeviceformusicplay.Usingyourdevicefor”previous&next”track.
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2.4 LightIndication:
1. ChargingLED,charging‐‐‐solidred,fullycharged‐LEDoff
2. ModeLED
- Bluetoothmode,pairing‐‐bluefastflashing,
- pairedandconnected‐‐blueslowflashing
- AUX‐in/FMmode,Solidwhiteled
- FMsearching,whiteflashing;FMplaying,solidwhiteled
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2.5 VoicePrompt(forBluetoothmodeonly):
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1. poweron‐‐‐‐‐“Welcome”
2. Waitingforpairing‐‐‐‐‐‐‐“Waitingtoconnecttobluetoothdevice”
3. pairedandconnected‐‐‐‐“Connectedtobluetoothdevice”

ShenzhenTongkeElectronicsCo.,Ltd
www.sztongke.com
Add:TheSecondIndustrialZone,PhoenixVillage,FuyongTown,Shenzhen,China518103
Tel:8675533856685Fax:8675533893336
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FCCWarning
ThisdevicecomplieswithPart15oftheFCCRules.Operationissubjecttothefollowingtwo
conditions:
(1)Thisdevicemaynotcauseharmfulinterference,and(2)thisdevicemustacceptany
interferencereceived,includinginterferencethatmaycauseundesiredoperation.
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NOTE:Anychangesormodificationstothisunitnotexpresslyapprovedbythepartyresponsible
forcompliancecouldvoidtheuser'sauthoritytooperatetheequipment.
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