38
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.
