Yaesu FT3DR Technical Supplement

Also see for FT3DE: Operating manual Manual Instruction manual Instruction manual Operating manual

FT3DR/DE Technical SupplementAlignmentALIGNMENT-3A-Band 430 MHz Band AdjustmentReceiver Sensitivity Adjustment (TUNE DEV) Connect the test equipment as shown in Figure 2:RX Alignment Setup. Rotate the DIAL knob to select the AlignmentMenu "TUNE DEV". Set the RF Signal Generator output to 435.100MHz, at a level of -10.0 dBμ, ±3.5 kHz deviationwith a 1 kHz audio tone. Press the [V/M] button (the "Data" will appearon the display). Rotate the DIAL knob for maximum deflectionon the SINAD meter. Press the [V/M] button (the "Data" will disap-pear on the display).Regulated9.1 VDC P.S.SINADMeter8-ohmAF LoadRF SignalGeneratorAF GeneratorFigure 2: RX Alignment SetupSquelch Threshold Adjustment (THLD SQL) Connect the test equipment as shown in Figure 2:RX Alignment Setup. Rotate the DIAL knob to select the AlignmentMenu "THLD SQL". Set the RF Signal Generator output to 435.100MHz, at a level of -11 dBμ, ±3.5 kHz deviationwith a 1 kHz audio tone. Press the [V/M] button (the "Data" will appearon the display). Press the [X] key two times to store the SquelchThreshold level Press the [V/M] button (the "Data" will disap-pear on the display).Tight Squelch Adjustment (TIGH SQL) Connect the test equipment as shown in Figure 2:RX Alignment Setup. Rotate the DIAL knob to select the AlignmentMenu "TIGH SQL". Set the RF Signal Generator output to 435.100MHz, at a level of -4 dBμ, ±3.5 kHz deviationwith a 1 kHz audio tone. Press the [V/M] button (the "Data" will appearon the display). Press the [X] key two times to store the SquelchTight level. Press the [V/M] button (the "Data" will disap-pear on the display).FM S-Meter S-1 Adjustment (S1 LEVEL) Connect the test equipment as shown in Figure 2:RX Alignment Setup. Rotate the DIAL knob to select the AlignmentMenu "S1 LEVEL". Set the RF Signal Generator output to 435.100MHz, at a level of -7 dBμ, ±3.5 kHz deviationwith a 1 kHz audio tone. Press the [V/M] button (the "Data" will appearon the display). Press the [X] key two times to store the FMS-Meter S-1 level. Press the [V/M] button (the "Data" will disap-pear on the display).FM S-Meter Full-Scale Adjustment (S9 LEVEL) Connect the test equipment as shown in Figure 2:RX Alignment Setup. Rotate the DIAL knob to select the AlignmentMenu "S9 LEVEL". Set the RF Signal Generator output to 435.100MHz, at a level of +20 dBμ, ±3.5 kHz deviationwith a 1 kHz audio tone. Press the [V/M] button (the "Data" will appearon the display). Press the [X] key two times to store the FMS-Meter Full Scale level. Press the [V/M] button (the "Data" will disap-pear on the display).