Enhancing Transmit Signal Quality; Mic Gain; Speech Processor ( Ssb Mode ) - Yaesu FT-891 Advance Manual

Enhancing Transmit Signal Quality

Mic Gain

Adjust the microphone amplifier gain to match the microphone and your voice level.
1. Press and hold in the [ F ] key for one second
to activate the Menu mode.
2. Rotate the MULTI function knob to select
Menu Mode "16-07 ", "16-08 " or "16-09 " .
16-07: SSB MIC GAIN
16-08: AM MIC GAIN
16-09: FM MIC GAIN
3. Press the MULTI function knob, and then
rotate it to adjust the microphone gain ( 0 -
100 ) .
Default: 50
4. When the adjustment is completed, press the MULTI function knob to save the new
setting.
5. Press the [ F ] key to exit the Menu mode and resume normal operation.

Speech Processor ( SSB Mode )

The FT-891 Speech Processor is designed to increase "talk power" by increasing the
average power output ( via a sophisticated compression technique ) and adjusting the
audio quality using the menu settings ( "15-10 [ P-EQ1 FREQ ] ", "15-13 [ P-EQ2 FREQ ] ",
"15-16 [ P-EQ3 FREQ ] " ) . The result is improved intelligibility when conditions are difficult.
1. Press the [ F ] key repeatedly, to find the
"FUNCTION-1" list screen.
2. Rotate the MULTI function knob to select
"PRC".
3. Press the MULTI function knob, and then
rotate it to adjust the compression level ( 1
- 100 ) .
Default: 50
4. When the adjustment is completed, press
the MULTI function knob.
5. Press and hold the [ F ] key for one second to exit the "FUNCTION-1" list screen and
resume normal operation.
r To set the Speech Processor to "OFF":
1. Press the [ F ] key repeatedly, to find the "FUNCTION-1" list screen.
2. Rotate the MULTI function knob to select "PRC", then press the MULTI function knob.
3. Press and hold the [ F ] key for one second to exit the "FUNCTION-2" list screen
and resume normal operation.
r The Speech Processor function may be assigned to the [ A ] , [ B ] or [ C ] key. Refer
to "Changing the function assigned to the [ A ] / [ B ] / [ C ] keys" in the FT-891 Operating
Manual.
38 FT-891 Advance Manual