Quloos QA890 User manual

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FrontPanel』
No. Function No. Function
A Input channeloption/Remotecontrol ON/OFF D VolumeUp
B Infra-redremotecontrolreceivingwindow E VolumeDown
C OLEDScreen F Mode Option
RearPanel』

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No. Function No. Function
A Coaxialinput 1 F PowerON /OFF
B Coaxialinput 2 G Right channel balanceoutput
C Opticalinput H Leftchannelbalance output
D USB input Optional）I Right channel RCAoutput
E AC110V/220V Input J LeftchannelRCAoutput
RemoteControl』
No. Function
A Input channeloption
B Modeoption
C OLEDBrightness/OFF-ScreenOption
D Mute/De-Mute
E VolumeUp
F VolumeDown

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Note: Theremotecontrolisoptionalwith the defaultsettingshutOFF.It can be turned
on bylongpressingthe"S" keyon the panelandviceversa.When it shows"IRREMOTEON",
itmeansthe remotecontrol ison.Whenitshows"IRREMOTEOFF", it meanstheopposite.
Power Voltage』
InputAC100～120Vor AC200～240V.In ordertoprevent mal-operation whichmayruin
the player,110V /220V on-off switchisplacedinside.Ifyouneedtochangethe voltage,
pleaseopen thecoverandsettheswitchtothe preferredvoltageon the powerpanel.
Note: Thereishighvoltage on the powerpanel,pleasehandle itwhilepowerisoff.
Fuse size:5 ×20mm;T1A/250V.
Audio source requirement』
Automaticallyrecognizethe inputofPCMaudiosource withthesampling16and24Bit.
Automaticallyrecognizethe usual stereodigitalaudiosourceinputbetweenthe
samplingrateof32K-192K.OLEDscreenshowsthecorrespondingsamplingrate.Ifno
samplingraterecognized, itshows"NO RATE".
IfDSD64 Dop）input,OLEDscreenshows"DSD".
Ifnoaudiosource inputrecognized, OLEDscreenshows"NO SIGNAL".
Inputinterface』
1.COAX1coaxialinput1 Impedanceautomaticmatchingcircuit）.
2.COAX2coaxialinput2.
3.OPTopticalinput.
4.USB input Optional）.
Inputoption』
InputchannelincludesCoaxialinput1 COAX1）,Coaxialinput２ COAX2）,Optical
OPT）andUSB.
Gentlypressthe"S" keyonthe frontpanel or ontheremotecontroltoselecttheinput
channel cyclically.

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Afterthechannelispicked,OLEDscreenwillshowthecorrespondingchannel,andthe
settingwillbesavedautomaticallyafter5sec.
Modeoption』
UnderPCMaudiosource input,thereare6optional modes.Mode1-5isPCMdigital
filtermode.Mode6isall PCMsignalconvertDSDsignal.
MODE1:SLOW
MODE2:SHORTDELAYSHARP
MODE3:SHARP
MODE4:SUPERSLOW
MODE5:SHORTDELAYSLOW
MODE6:ALL TODSD
Gentlypress the "M"keyonthe frontpaneloron the remotecontrol tocyclicallychoose
the modeyouprefer.Meanwhile,OLEDscreenshowsthecorrespondingmode,andthe
settingwillbesave within5sec.
Volume adjustment/ Preamplification』
Pressthe+/-keyonthefrontpanelor ontheremotecontroltoadjust thevolume.Brief
press isforminoradjustment,longpress for continuousmajoradjustment.The volume range
is0-100,andthesettingwillbesavedafter5sec.
Note: Thepreampwillbeautomaticallyshutdownandthedirectmodewillbeenteredif
the volume reachedthemax.
Mute』
TheMutekeyontheremotecontrolcanmuteandde-mutetheplayer.Whenitismuted,
youcanpress the+/-volumekeytocancel.Themutesettingisnotsavedonce forever.If
reboot,youneedtoreset.
Brightness adjustment』
The brightnessadjustmentkeyonthe remotecontrolcan realize3kindsofbrightness
andoff-screenfunction.Thesefouroptionscanbeshiftedcyclically,andthebrightnesswillbe

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automaticallysavedafter5secofsetting.
USB Interface』
Supportsamplingbits16Bit/24Bit,samplingrate 44.1k-192kHzandDSD64 Dop）.
CompatiblewithMacOS andLinuxsystems noneedtoinstall driver）.
Compatible with systemsfromWINXP toWIN1032/64bit,manual driverinstallment is
necessaryforinitialconnection with PC.Driverdownloadaddress isbelow :
http://www.qlshifi.com/zlxz.htm.
Usual FaultDiagnosisandSolution』
1.No displayor outputafter startup
Thefuseofpowerinputmaybeburnt.Solution:removeandcheckthefuse.
2.Displaybutnooutputafter startup
Severalpossibilities:
◆Theinputchannelor thecurrentactivechannelmaybefalse.Tryotherchannelsto
test.
◆Theinputsignalisincompatible,e.g. DTSfile.
◆The front-enddeviceissetupwrong. For example,asan audiosource,QA360 blocks
offthedigitaloutputfunction.
3. Outputready butnodisplay
Please checkifitisintheoff-screenmodeby pressingthe remotecontrol.
4. Normalhost,abnormalremotecontrol
The remotecontrolmaybeshort ofpower,pleasechangeanew batteryandtryagain.
Please contact usifthefaultsaboveremainoranyotherproblemspopout.

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AppendixIProductWarranty Card』
Please fillthisformandsenditbacktousalongwith the product needsservice.
Product QA890Hi-Fi AudioDAC S/N
Date
User Name ZipCode
Mobile Tel
Address
Customer
Feedback
Cause Analysis
andSolution
Thispartisfilledby themanufacturer）
Remarks
Company: ShenZhen QLSElectronic TechnologyCo.,Ltd Quloos）
E-mail: [e-mail]
Web: http://www.qlshifi.com