7.USBPORT
ConnectUSBdiskwithMP3files.
8.GRAPHICEQUALIZER
5‐bandequalizerisprovidedforsound controlovereachfrequency,andforprecisehighquality
soundbyfinaltonecontrol (60,250,1K,2K,8KHzshelvingat+/‐12dB).
9.LCDDISPLAY(Therearethreestatesshow)
a.LCDdisplay
screeninformationshowstrademarksoftheproducts,USBversion,andinitialsystem
info.
b.ThesecondmessageistoremindthescreeninsertUSB,ordiskisnotMP3format.
c.ThethirdmessageisthetotalnumberofsongsintheUSBdisk,songsofthetotalplaytime
,play
timeatpresent,play/pause/stopsign,symbolcycle,FileFormat(MreferstotheMP3fileformat,W
referstotheWMAfileformat),aswellastheEQ.
10.TOUCHBUTTON
Fivetouchkeys,whicharesinglecycle/circleofthetotal,up,play/pause/stop,down,
EQoption.
Allofthetouchbuttonofthismachineareconventionalkeyandcompoundkey.
a.Symbolcycle(Atotalof6cyclemodel).
TheyareAllcycle,randomplay,songcycle,Endtheendofthesingleplayer,cyclebyaplayerand
playershere.
b.
Down.
Thisisacomplexbond,Inthestateofplay,pressthebutton,Willplayonasong;Inthestateto
suspendorstop,pressthebutton,thecurrentsongwillbere‐broadcast;Pressthebuttonforalong
time,canadjusttheLCDbacklightbrightness.
c.Play
/Pause/Stop.
Thisisaconventionalbon d,thepressisaplayer,nextitistimetopause,thenitisstop,whilethe
correspondingLCDdisplaysigns.Pressforalongtimetonullandvoid.
d.Up.
Whileaudioisplaying,ifyoupressthebutton,thenext
songwillplay;Pressthebuttonforalong
timetoadjusttheLCDbacklightbrightn ess.
e.EQ.
Presstocyclethroughthe11EQsettings:Natural,Rock,Pop,Class,Jazz,Blue,Hall,Bass,Soft,
Country,andOpera.
11.POWERLED
Itlightswhenthepowerswitchturnson.
12
.PHANTOMLED
TheLED+15Vwillbeturnedonwhenstartworking.
13.PHANTOMPOWERSWITCH
WhenyoupresstheswitchtheXLRinputwillhave15V.
14.OUTPUTLEVELINDICATOR
Thisisalevelmeterwhichshowsoutputlevels.
15.MASTERVOLUME
Usethiscontrol,
youcanadjustsignallevelofmainchannel.