Kenwood NX-720H(G) Service Manual

Also see for Nexedge NX-720H: Instruction manual Instruction manual Instruction manual

Contents

NX-720H(G)/720H54ADJUSTMENTItem Panel test mode PC test modeMeasurement AdjustmentSpecifications/RemarksTest-equip-mentUnit Terminal Unit Parts Method5.Squelch(Squelch level5 adjust)[Analog Narrow]This adjustment canbe performed onlyPC test mode.1) Adj item:[Open Squelch(Analog Nar-row)]2) Adj item: [Low],[Low’], [Center],[High’], [High]Press [Apply]button to storethe adjustmentvalue.SSGDistortionmeterOscillo-scopeANTExt.SP con-nector[PC testmode][ ],[ ]Write the value asVHF.･Analog Narrow,Wide[S.QL] → 138[S.Q.L] → 138[S.Q.L.] → 138[S.Q.L._.] → 138[S.Q.L._._.] → 138･NXDN veryNarrow[S.QL] → 171[S.Q.L] → 171[S.Q.L.] → 171[S.Q.L._.] → 171[S.Q.L._._.] → 171[Analog Wide] 1) Adj item:[Open Squelch(Analog Wide)]2) Adj item: [Low],[Low’], [Center],[High’], [High]Press [Apply]button to storethe adjustmentvalue.[NXDNVery Narrow]1) Adj item: [Openquelch (NXDNVery Narrow)]2) Adj item:[Low],[Low’],[Center],[High’],[High]Press [Apply]button to storethe adjustmentvalue.6. Low RSSI at-118dBm adjust1) Adj item:[LRSS]Adjust:[]2) Adj item:[L.RSS][L.R.SS][L.R.S.S][L.R.S.S.][L.R.S.S._.]SSG output :-118dBm(0.28uV)(MOD:1kHz/±1.5kHz)1) Adj item: [LowRSSI (AnalogNarrow)]2) Adj item: [Low],[Low’], [Center],[High’], [High]SSG output:–118dBm(0.28μV)(MOD:1kHz/±1.5kHz)SSG ANTExt.SPconnectorPC testmode][ ],[ ][Panel tuningmode]After input signalfrom SSG, press[the adjustmentvalue.[PC test mode]After input signalfrom SSG, press[Apply] buttonto store theadjustment value.Note:Wide, very narrow(NVDN) valuesare same value asnarrow.7.High RSSI at-80dBm adjust1) Adj item:[HRSS]Adjust:[]2) Adj item:[H.RSS][H.R.SS][H.R.S.S][H.R.S.S.][H.R.S.S._.]SSG output :-80dBm(22.4uV)(MOD:1kHz/±1.5kHz)1) Adj item: [HighRSSI (AnalogNarrow)]2) Adj item: [Low],[Low’], [Cen-ter], [High’],[High] SSGoutput: –80dBm(22.4μV)(MOD: 1kHz/±1.5kHz)SSG ANTExt.SP con-nector[Panel tuningmode]After input signalfrom SSG, press[the adjustmentvalue.[PC test mode]After input signalfrom SSG, press[Apply] button tostore the adjust-ment value.Note:Wide, very narrow(NVDN) values aresame value as nar-row.