AOR_AR880_Quick_Reference_Manual操作说明书手册

Similarly.the DELAY/HOLD key can be used to changecan probably be best heard on that frequency plus 45.000operation while searching.Mhz,or 861.0125 MHz.which would be the base station.The 12.5KHz switoh is designed to function ONLY in theINSTRUCTIONS:MANUAL SEARCHING800 band.It will not function properly in any cther band.We suggest you use it to best offect while SearchingThe search can be switched to manual al any time bythrough the five or ten channels used by a trunked systempressing the MANUAL key.Pressing the key again willin the 600 band.AR880 HAND HELD SCANNERstep to the next tequency in the increment choaen.SPECIFICATIONHolding the MANUAL key down will continue searching.TOP PANEL CONTROLS:but at a much slower rate.Frequency Coverage30-40005MHeVOLUME--Also incorporates power on/atf swhch.139-174To resume normal searching.press the SEARCH key438-512SOUELCH Eiminetes bsckground noise,also allowsthe unit to scan or search.again.830650Sensitivity 12dB SINAD4NL0.1传FLOCK-Disables keyboard to prevent inadvertantSEARCH FREQUNCY TO MEMORY5 UHFchanges.10uW830-05aa-12.5K-To uso 12.5KHz offsets from normal 25KHzAmy frequency found during a search may be stored inmemory.An unused memory channel should be used.c十anls20spacing.h functions ONLY in the 800MHzor the frequency will replace any existing one in theScmn apeed,channels/sec.13band.It will not function property in amy otherbands.channel c中esen.FFrequerneyttIF2.44亿2nd IF 455KHThe search must be stopped on a particular tequencybefore it can be stored.Search inctements5,10,12.5KHz.Lo.H,VHF.FRONT (KEYBOARD)CONTROLS:125KHz UHFSEARCH -Starts or restarts the seach process25K3H位830-950MHzTo store a frequency.press ENTER then the channelSCAN-Starts or restarts scanning of memory channelsnumber (eg 0 5)Audio Cutput120mW to%or less THDPROG-Used in conunction with Search and ScanPower Reguired.VDC6OVDCPressing search again will resume searching at thatKeysfrequency.Power Consumption Isquelched 60mAC-Selects trequency stepping increment forAmonna ConneclorBNCVHF and air band.On othor bands.Frequ--12.5 KHz Switchency step is selected automatically.Display typeLCDMANUAL -Allows memory programming.advancesIn some areas.frequoncies in the 800 band have startedsearch or scan one step,or takes unit outose25Hk0se南om nommal25收spacin3.Toof search/scan moded.compensate for this and to make your unit compatible withall systems,we have added a special offset contol on theop panel The frequencies that potertally could be ofsetare in the ranges:811.0125 to 8239875 for the mobile orDLY/HOLD-Determines search mode when aignalseccivod DLY allows unit to confinue scanportable side of the system and from 851.0125 to 858.9875or the base location or repeater of the trunied system.Inning attor signal has gone,hold stos scangneral,it is far cier to hear oalls when llstening to thening on that frequenay.base than it is to the mobiles.As published informationCLEAR -Clears incorrect frequencies belore Enteroften times does not give t