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IC-910H Service manual.pdf - N3UJJ

IC-910H Service manual.pdf - N3UJJ

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SOFTWARE ADJUSTMENT (continued)ADJUSTMENT ADJUSTMENT CONDITION DISPLAY OPERATIONS-METER(SUB BAND)10• Set an SSG as :Frequency : 146.0200 MHzLevel : OFF• ReceivingSUBFMPush [RIT] key to store the “S0” levelinto memory, and to step next.11• Set an SSG as :Frequency : 146.0200 MHzLevel : 3.2 µV* (–97 dBm)Modulation : OFF• ReceivingSUBFMPush [RIT] key to store the “S9” levelinto memory, and to step next.12• Set an SSG as :Frequency : 146.0200 MHzLevel : 32 µV* (–77 dBm)• ReceivingSUBFMPush [RIT] key to store the “S9+60”level into memory. Then the displaychange to the noise SQL adjustment.ADJUSTMENTITEM (3)NOISE SQL(MAIN BAND)1• Connect an SSG to [VHF ANT] connectorand set as :Frequency : 146.0200 MHzLevel : 0.063 µV* (–131 dBm)Modulation : OFF• ReceivingFMPush [RIT] key to store the noisesquelch thresh-hold level for FMmode into memory, and to step next.2• Set an SSG as :Frequency : 146.0200 MHzLevel : 0.2 µV* (–121 dBm)• ReceivingFMPush [RIT] key to store the noisesquelch tight level for FM mode intomemory, and to step next.3• Set an SSG as :Frequency : 146.0200 MHzLevel : 0.063 µV* (–131 dBm)• ReceivingFMNPush [RIT] key to store the noisesquelch thresh-hold level for FM narrowmode into memory, and to stepnext.4• Set an SSG as :Frequency : 146.0200 MHzLevel : 0.2 µV* (–121 dBm)• ReceivingFMNPush [RIT] key to store the noisesquelch tight level for FM narrowmode into memory, and to step next.(SUB BAND)5• Set an SSG as :Frequency : 146.0200 MHzLevel : 0.063 µV* (–131 dBm)• ReceivingSUBFMPush [RIT] key to store the noisesquelch thresh level for FM modeinto memory, and to step next.6• Set an SSG as :Frequency : 146.0200 MHzLevel : 0.2 µV* (–121 dBm)• ReceivingSUBFMPush [RIT] key to store the noisesquelch tight level for FM mode intomemory, and to step next.7• Set an SSG as :Frequency : 146.0200 MHzLevel : 0.063 µV* (–131 dBm)• ReceivingSUBFMNPush [RIT] key to store the noisesquelch threshhold level for FM narrowmode into memory, and to stepnext.8 • Set an SSG as :Frequency : 146.0200 MHzLevel : 0.2 µV* (–121 dBm)• ReceivingSUB FMN*This output level of a standard signal generator (SSG) is indicated as SSG’s open circuit.Push [RIT] key to store the noisesquelch tight level for FM narrowmode into memory. Then the displaychange to the AFC center adjustment.5 - 14From The <strong>N3UJJ</strong>.COM Document Library

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