Kenwood_SP-31_user操作说明书手册

EXTERNAL SPEAKERSP-31KENWOODKENWOOD CORPORATIONINSTRUCTION MANUALDownloaded byRadioAmateur.EU68H89845227080gBefore using your SP-31,check that it is supplied withCONTROLS AND THEIR FUNCTIONthe following mounting parts:Front Panel■ACCESSORIESSpeaker cord.......E30-1711-15...........1ea.1 pin plug.....E14-0101-05...1ea.Instruction Manual............B50-8228-XX..........1 sheetAfter unpackingShipping container:Save the boxes and packing in the event your unit needsto be transported for remote operation,maintenance,orservice.■SPECIFICATIONSSpeaker used:10 cm dia.Rated Input:2 Watts2③④⑤Impedance:80Frequency response:160 Hz to 7 kHz①INPUT SwitchFilter cut-off frequency:Selects one of two audio inputs.LOW:400Hz,-3dB②PHONES ConnectorHIGH 1:3.0 kHz,-3 dBStandard headphone output,through the tone filters.HIGH 2:1.2 kHz,-3 dB3 FILTERS,HIGH 1 SwitchHIGH 1+HIGH 2:900Hz,-3dBFilter attenuation:-6 dB/oct.This switch attenuates frequencies above 3.0 kHz;Dimensions:w.180mm(7-1/16")-3 dB at 3.0 kHz.H.120mm(4-23/32)④FILTERS,HIGH 2 SwitchD.310mm(12-7132")This switch attenuates frequencies above 1.2 kHz;Net weight:2.0kg(4.4bs)-3 dB at 1.2 kHz.⑤FILTERS,LOW SwitchFRONT FEETThis switch attenuates frequencies below 400 Hz;The front panel can be elevated for operating con--3 dB at 400 Hz.venience by extending the front feet.Note:When this switch is used with the HIGH 1 andTurn the front feet left and pull down.HIGH 2 ON,frequencies above 900 Hz;-3 dBThen turn right to lock.at 900 Hz are attenuated.Rear Panelopanao on○GOO/M(①TURN LEFT①②②PULL DOWN(③LOCK RIGHT①②INPUT ConnectorsAccepts audio output from two sources.③LINE OUT ConnectorStandard line output through the filters for RTTY,SSTV,or similar use.