Yaesu FT-8900R Technical Supplement

Also see for FT-8900R: Brochure & specs Operating manual Operating manual

Contents

1533. Press the “Left” band [V/M] key, then adjust the“Right” DIAL knob, as needed, so that the S-meterdeflects full scale.34. Tune the “Left” band frequency to 868.95 MHz.35. Inject an 868.95 MHz signal at a level of –3 dBμ fromthe RF Signal Generator.36. Press the “Left” band [LOW] key, then adjust the“Right” DIAL knob, as needed, so that the S-meterdeflects 1 dot.37. Increase the RF Signal Generator output level to +31dBμ.38. Press the “Left” band [V/M] key, then adjust the“Right” DIAL knob, as needed, so that the S-meterdeflects full scale.39. Tune the “Left” band frequency to 350.050 MHz.40. Inject a 350.050 MHz signal at a level of –5 dBμ fromthe RF Signal Generator.41. Press the “Left” band [LOW] key, then adjust the“Right” DIAL knob, as needed, so that the S-meterdeflects 1 dot.42. Increase the RF Signal Generator output level to +23dBμ.43. Press the “Left” band [V/M] key, then adjust the“Right” DIAL knob, as needed, so that the S-meterdeflects full scale.DC Voltmeter (A-8 BAT SC)1. Set the power supply voltage to 13.8 VDC.2. Press and hold in the in the “Sub” band DIAL knob toset the Alignment parameter to “A-8 BAT SC.”3. Press the “Left” band [SCN] key.To close the Alignment mode, just press and hold in the“Right” VOL knob for 2 seconds (to turn the power off).The next time the transceiver is turned on, normal opera-tion may resume.Important Note!The “A-3 PRO” (TX Protector) parameter is only usedat the factory.Do not adjust this parameter’s values.Alignment