GRE_PSR-225_Manual操作说明书手册

GR目PSR-225GB500-Channel Programmable ScannerOWNER'S MANUALINTRODUCTIONBandThe PSR-225 500-Channel Programmed Scanner enables you to experienceSearch Range (MHz)BandSearch Range (MHtz)1all the action for yourself.It is possible to store up to 115,000 frequencies26-2813154-155228-3014156-163in the memory.These can be changed at any time.3The secret of the PSR-225 is a microprocessor which has been developed31-3215163-174446-4716230-330with this specific object in mind.This microprocessor provides the PSR-225with,amongst other things,the following facilities:550-5417430-440670-8418460-466High Speed Scan-lets you scan up to 40 channels per second and search84-87.49519466-469up to 75 steps per seconds.8875-107.95930-932Seek Scan/Search-you hear transmission about 5 second,then the scanner9108-1182935-939start scan/search to the next transmission.10118-136.975959-960Triple Conversion Superheterodyme Receiver-virtually eliminates any144-146231240-1300interference from IFimages,so you hear only the selected frequency.12153-15423 Preprogrammed Search Bands-lets you search for transmissionswithin preset frequency ranges,so you can find interesting frequencies morePREPARATIONquickly.Ten Channel-Storage Banks-let you store 50 channels in each bank to groupThis scanner is primarily designed for use in the home as a base station.Youchannels so calls are easier to identify.can place it on a desk,shelf,or table.Auto Store-quickly finds and automatically stores active frequencies in eachYour scanner's front feet fold up or down.Adjust them to give you the best viewchannel,then searches for additional active frequencies while skippingof the display.previously stored channels.HOW TO AFFIX THE AERIAL SUPPLIED WITHRotary Tner-lets you manually tune and select desired frequencies orTHE SCANNERchannels.The scanner's tune speed automatically changes depending on howScrew the telescopic aerial supplied into the hole situated in the top right-handfast you tum the rotary tuner.comer of the scanner.The length of the aerial will affect the quality of the10-Priority Channels-you can set the scanner to check 10 channels so youreception achieved by the scanner.For maximum reception,use the aerial asdo not miss important calls.follows:Two-Second Scan Delay-delays scanning for about 2 seconds before25-300MHzaerial should be fully extendedmoving to another channel or frequency.so you can hear more replies.300-520H2three sections of the aerial should be pulled outLock-Out Function-lets you set your scanner to skip over specified channels520-1300MHzaerial should be collapse all segmentsor frequencies when scanning or searching.LCD Display-makes it easy to view and change programming information.CONNECTING THE SCANNER TO AN OUTSIDEBackdit Display-makes it easy to view and change programminginformation.AERIAL (OPTIONAL)S-Meter-shows receiving signal strength.The telescopic aerial provided will normally be perfectly adequate for theTape Remnote Jack-controls your tape recorder when the