Af Speech Processor Operation - Yaesu FT-857D Operating Manual

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AF Speech Processor Operation

The AF Speech Processor increases your average power output while operating on SSB and
AM modes.
1. Press the [ FUNC ] key, then rotate the SELECT knob, as necessary, to recall Multi
Function Row "c" [ STO, RCL, PROC ] .
2. Press the [ C ]( PROC ) key to activate the AF Speech Processor. The "u" icon will appear
at the left side of the "PROC" notation.
3. Now press the PTT key (unless you have VOX enabled), and speak into the microphone
in a normal voice level, as usual.
4. To deactivate the AF Speech Processor, again press the [ C ]( PROC ) key.
5. The Compression Level may be adjusted via the Menu, as follows:
Ÿ While still in Multi Function Row "c" [ STO, RCL, PROC ] , press and hold in the
[ C ]( PROC ) key for one second. This instantly recalls Menu Mode No-074 [ PROC
LEVEL ] .
Ÿ Rotate the DIAL to set a new level of Compression (the default value is "50").
Ÿ When you have made your selection, press and hold in the [ FUNC ] key for one
second to save your new setting and return to normal operation.
Ÿ Make some on-the-air checks, or use a monitor receiver in your station, to ensure that
good voice quality has been obtained via your adjustment.
Excessive advancement of the Compression Level may lead to distortion. Each
operator's voice pattern is different, so try several settings to find the one which is
best for your voice.
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FT-857 Operating Manual