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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 OPERATIONADJUSTMENTITEM (2)S-METER(MAIN BAND)1• Enter software adjustment mode (Referpage 5-12).• Push [2] key to enter the S-meter adjustment• Connect an SSG to [VHF ANT] connectorand set as :Frequency : 146.0200 MHzLevel : OFF• ReceivingUSBPush [RIT] key to store the “S0” levelinto memory, and to step next.2• Set an SSG as :Frequency : 146.0200 MHzLevel : 3.2 µV* (–97 dBm)• ReceivingUSBPush [RIT] key to store the “S9” levelinto memor, and to step next.3• Set an SSG as :Frequency : 146.0200 MHzLevel : 1 mV* (–47 dBm)• ReceivingUSBPush [RIT] key to store the “S9+60”level into memory, and to step next.4• Set an SSG as :Frequency : 146.0200 MHzLevel : OFF• ReceivingFMPush [RIT] key to store the “S0” levelinto memory, and to step next.5• Set an SSG as :Frequency : 146.0200 MHzLevel : 3.2 µV* (–97 dBm)Modulation : OFF• ReceivingFMPush [RIT] key to store the “S9” levelinto memory, and to step next.6• Set an SSG as :Frequency : 146.0200 MHzLevel : 32 µV* (–77 dBm)• ReceivingFMPush [RIT] key to store the “S9+60”level into memory, and to step next.(SUB BAND)7• Set an SSG as :Frequency : 146.0200 MHzLevel : OFF• ReceivingSUBUSBPush [RIT] key to store the “S0” levelinto memory, and to step next.8• Set an SSG as :Frequency : 146.0200 MHzLevel : 3.2 µV* (–97 dBm)• ReceivingSUBUSBPush [RIT] key to store the “S9” levelinto memory, and to step next.9• Set an SSG as :Frequency : 146.0200 MHzLevel : 1 mV* (–47 dBm)• ReceivingSUBUSBPush [RIT] key to store the “S9+60”level into memory, and to step next.*This output level of a standard signal generator (SSG) is indicated as SSG’s open circuit.5 - 13From The <strong>N3UJJ</strong>.COM Document Library

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