Icom IC-F2610 Service Manual

Also see for IC-F2610: Instruction manual Service manual Service manual

Contents

Icom IC-F2610 Service Manual Manual pdf 17 page image

5 - 4L8L9L11L12L13SensitivityadjustmentP 2Adjust in sequenceL8, L9, L11, L12,L13 on the MAINunit.Rotate volumecontrol whilepushing .VerifyPush toselect the beeplevel.P 3Maximum indi-cationAt the pointwhere the noiseaudio just disap-pears.Squelch opens.Desired level1121• Operating freq. : 400.000 MHz [L]440.000 MHz [M]490.000 MHz [H]• Enter Initial Set Mode No. 5.Refer to page 5-2 for details.• Connect a standard signal generatorto the antenna connector and set as:Level : 5.6 μV* (–92 dBm)Modulation : OFF• Connect a 4 Ω load to the externalspeaker jack.• Receiving• Operating freq. : 400.000 MHz [L]440.000 MHz [M]490.000 MHz [H]• Enter Initial Set Mode No. 2.Refer to page 5-2 for details.• Make sure no signal is being applied tothe antenna connector.• Receiving• Connect an SSG to the antenna con-nector and set as:Level : 0.32 μV* (–117 dBm)Deviation : ±3.5 kHzModulation : 1 kHz• Receiving• Operating freq. : Any• Enter Initial Set Mode No. 3.Refer to page 5-2 for details.• Receiving5-4 RECEIVER ADJUSTMENTRECEIVERSENSITIVITYNOISESQUELCHTHRESHOLDPOINTBEEPLEVELNumber digits in the LCDSpeaker outputSpeaker outputADJUSTMENT ADJUSTMENT CONDITIONSVALUE ADJUSTMEASUREMENTMETHODADJUSTMENT*This output level of the standard signal generator (SSG) is indicated as SSG’s open circuit.• MAIN UNIT[L]: [L-band (400–430 MHz)], [M]: [M-band (440–490 MHz)], [H]: [H-band (490–520 MHz)]