I.InquireparametersLiftthehandsetandtheninputthecorrespondingcommands.When toot toneisheard,putdownthehandset,theparameterswillbedisplayedonLCD. NameParametercommand Instructions Inquiresignalquality,malfunctionandsoftwareversion ***9#Acodeof8digitswillbedisplayed.Thefirsttwodigitsindicatethesignalquality,itrangesfrom 00 to 31 .Strongerthesignalis,biggerthedigitis.Ifitislessthan10,thevoicequalitywillbeaffected.Thethirdandtheforthdigitisthecodeofmalfunction:( 00 :good 11 :failedinlogon 22 or 33 :PINerror(PINcodeisn t1234orPINisn tdisabled), 44 :lockingcarderror, 55 :lockingterminalerror, 77 :lockingnetworkerror, 99 :readingcarderror)Thelaterfourdigitsissoftwareversioncode:forexample4060indicatesthesoftwareversioncodeis4.06. Inquireparameters ***8#Acodeof12digitswillbedisplayed.Themeanofeverydigitislistedasfollowing:Thefirstdigit:reservedTheseconddigit:PermitansweringincomingcallsornotThethirddigit:provideanti-polaritysignalornotforincomingcallsThefourthdigit:lockingSIMcardornotThefifthdigit:lockingserviceproviderornot, 0 forunlocking, 5 forChinaMobile, 7 forChinaUnion.Thesixthdigit:remove 0 ornotwhiledialling 013 Theseventhdigit:reservedTheeighthdigit:forbidornotdiallingthetelephonenumberthatarebeyondthesetupcodeTheninthdigit:lockingterminalornotThetenthdigit:microphonevolumeTheeleventhdigit:speakervolumeThetwelfthdigit:forbidadd 0 ornotbeforelocalmobiletelephonenumbers.Inquireshortmessagecentrecode ***7# DisplayshortmessagecentrecodeInquirenetworkmanagementcode ***6# Displaynetworkmanagementcode InquirenationalIPaccesscode***3# DisplaynationalIPaccesscodeInquireinternationalIPaccesscode***2# DisplayinternationalIPaccesscodeInquirethetotalofeachkindoftelephonenumberprefix***1#Thestatisticsnumbersofeverytypecodewillbedisplay:Thefirsttwodigits:barredtelephonenumberThethirdandthefourthdigit:freetelephonenumberThefifthandthesixthdigit:localtelephonenumberTheseventhandtheeighth:nationallongdistancetelephonenumber Theninthdigittotheeleventhdigit:directdialledtelephonenumberInquirelocalareacode***0#Displaylocalareacode Adjustvolume*33XY#X:1----5Y:1----5XandYbothbelongtothedigitsthatrangefrom1to5.Xindicatesmicrophonevolume.Level1isthelowestvolumeandlevel5isthehighestvolume.Yindicatesspeakervolume.Level1isthelowestvolumeandlevel5isthehighestvolume.