ADJUSTMENTMeasurementItem Condition Testequipment Unit9.NB1) f:14,525.0kHz NoiseRearMODE:AMgenerator panel\IVIDE/NARROW: \IVIDENB: ONNoise generator output level:S meter indicator 5 ± 12)10.1stIF1) f: 29,525.0 kHzSSGReartrap MODE: USBAFVMpanelSSG output:45.875MHz Oscillo-..90dBμscopeAFdummyload11. "Beeper" 1) AF GAIN: CenterAFVMRearTONE: Center Oscillo- panelSQUELCH: Closed (No noise) scope*ConnectR259 and R273.AFdummy(Disconnect after adjustment.)load operationalcheck>Item1. Encoder(Dial)2. BAND3.F.LOCKCondition1) TUNING SPEED: SLOWTurnthe tuning controlclockwise andcounterclockwise.Turn the main tuning 1turn.2) TUNING SPEED: MIDOperation CheckDisplay changes in100Hz steps.Display changes10kHz.Turn the tuning control Display changes in500Hzclockwise and step.counterclockwise.Turn the main tuning 1turn.3) TUNING SPEED: FASTChanges100kHz.Turn the tuning control Changes in 5 kHz step.clockwise andcounterclockwise.··~············································································Turnthemain tuning Changes 1 MHz.1 turn.1) TUNING SPEED: FASTKeep the UP switch de-pressed until tuningstops. Then turn the tu-ning control clockwise.Keep the DOWN switchdepressed until tuningstops. Turn the tuningcontrol counterclock-wise.1)F.LOCK: ONTurn the tuning controland BAND knob.The MHz digit scans up in1 MHz steps and stopwhen the display indicates29,995.0 kHz.W2type stops tuning at25,995.0.The MHz digit scans downto0.100.0 at a 1 MHz step.W2 type stops tuning at0.1 50.0 and X type stopsat 2.000.0The display should notchange.Ter-minalUnitANTRXPLLANTRXEXTSP RXItem4. DIMMER6. CLOCKandTIMMERR~:2000AdjustmentSpecificationsPart MethodVR4 MIN $1orless(Typical)..T10, T11 Repeat steps 1) and 2)so the NB functionson noise which isbelow the minimumS meter level.T3MIN70dBormoreVR10 0.3V Tone should remainaudible even whentheAF GAIN is redu-cedtoMIN.Condition Operation CheckDIMMER:ONThe S meter and display ii·rumination should be redu·ced.1) POWER:OFFThe clock should function.FUNCTION: CLOCK 1 The illumination shouldbedim.2)TIMER:ON* TIMERERROR(red) indi-cator should light.* CLOCK display flashes;3) TIMER:ON" CLOCK display should beSimultaneously press0:00.both the HOUR andMl-* TIMERERROR(red) indi-NUTE TIME SETswit-cator shouldgooff.ches.4) FUNCTION: CLOCK 2Keep the HOUR andMl-The display should conti-NUTE switchesdepres~nuously advance.sed...................,.................................................................Set the hours digit. The display should'indicatethe time difference fromCLOCK 1.5) FUNCTION: ONSet the TIMER displayto0.02.6) FUNCTION: OFFSet the TIMER displayto0.03.7) FUNCTION: CLOCK 1Set the TIMER display Power should turn on andto0.02. the unit should function........................................... ·········································Set the TIMER display Power should shut off.to0.03.27
