Speech Compressor; Transmit Filter Width Selection - Icom IC-i7410 Instruction Manual

■ Speech Compressor

(Mode: SSB)
The Speech Compressor function increases average
RF output power, improving signal strength and read-
ability.
q Push [SSB] to select the USB or LSB mode.
w Rotate the [MIC] control to adjust the microphone
gain so the ALC meter reads within the ALC zone,
whether or not you speak softly or loudly.
e Push [COMP] to turn ON the Speech Compressor
function.
• "COMP" appears.
r While speaking into the microphone at your normal
voice level, rotate the [COMP] control to adjust the
compressor level so the COMP meter reads within
the COMP zone.
• Hold down [F-3] for 1 second to reset to the default set-
ting, if desired.
When the COMP meter peaks above the COMP
level zone, your transmitted voice may be dis-
torted.

■ Transmit filter width selection

(Mode: SSB)
The transmit filter width for the SSB mode can be set
to Wide, Mid or Narrow.
q Push [SSB] to select the USB or LSB mode.
w Push [MENU] to display the "M1" screen (Menu
1), then hold down [TBW](F-4) for 1 second, one
or more times, to select a Wide, Mid or Narrow
transmission passband width.
• Push [TBW](F-4) momentarily to display the selected
TX filter width for approximately 1 second.
• The following filters are specified as the defaults. Each
of the filter widths can be set in the Tone Control Set
mode. (pp. 90, 91)
- WIDE : 100 Hz to 2900 Hz
- MID : 300 Hz to 2700 Hz
- NAR : 500 Hz to 2500 Hz
FUNCTIONS FOR TRANSMIT
[MIC] control [SSB]
[COMP] control [COMP]
Appears
M1
A G C
COMP meter
COMP level zone
[SSB] [TBW]
M1
A G C
M1 T B W W I D E
A G C
The selected transmit filter width is
displayed for approximately 1 second.
6
T B W S C P
T B W S C P
Hold down
T B W S C P
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