Yaesu FT-991 Operating Manual
Also see for FT-991: ManualManualOperating manualReference bookInstruction manual
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Contents
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Page 54FT-991 O PERA T ING M ANUALuSing the Speech proceSSor (SSb Mode)The FT-991 Speech Processor is designed to increase “talk power” by increasing the average power output (via a so-phisticated compression technique) and adjusting the audio quality to the menu settings (“128 P-PRMTRC EQ1 FREQ”,“131 P-PRMTRC EQ2 FREQ”, “134 P-PRMTRC EQ3 FREQ”). The result is improved intelligibility when conditionsare difficult.1. Adjust [MIC GAIN] on the LCD, as described onpage ##.2. Touch [METER] on the LCD to select “COMP”(Compression) meter.3. Press the F(M-LIST) button, then touch [PROC] onthe LCD to select “ON”.The “PROC” will appear in the display, confirmingthat the Speech Processor is engaged.4. Press the PTT switch on the microphone, and speakinto the microphone in a normal voice level.5. Adjust the MULT knob to set the compression levelwithin the 5 dB to 10 dB range.6. To switch the Speech Processor off, touch [PROC]on the LCD once more. The “PROC” will turn off,confirming that the Speech processor is turned off.A dvice : You may adjust the Parametric Microphone Equal-izer when the speech processor is engaged, usingMenu Items “128” through “136”. See page ## fordetails.enhanCing TransMiT signal Q ualiTYMULTI KnobF(M-LIST) Button |
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