Speech Compressor; TransmT Filter WDth SettNg - Icom IC-7600 Instruction Manual

■ Speech compressor

<MODE> SSB
The speech compressor ncreases average RF output
power, mprovng sgnal strength and readablty.
q Push [SSB] to select the USB or LSB mode.
w Push and hold [COMP] (MF7) for 1 sec. to select
the COMP TBW set screen.
e Adjust the [MIC GAIN] control so that the ALC
meter reads wthn the ALC zone, whether or not
you speak softly or loudly.
r Push [COMP] (MF7) to turn the speech compres-
sor ON.
t Whle speakng nto the mcrophone, rotate the
man dal, so that the COMP meter reads wthn the
COMP zone (10 to 20 dB range) for your normal
voce level.
When the COMP meter peaks exceed 20 dB,
your transmtted voce may be dstorted.
y Push [COMP] (MF7) or [EXIT/SET] to ext COMP
TBW set screen.
u Adjust the drve gan to set the ALC meter read-
ng wthn the 30 to 50% range of the ALC scale.
(p. 37)
■ Transmit filter width setting
<MODE> SSB
The transmt flter wdth for the SSB mode can be
selected between wde, mddle and narrow.
q Push [SSB] to select the USB or LSB mode.
w Push and hold [COMP] (MF7) for 1 sec. to select
the COMP TBW set screen.
e Push [COMP] (MF7) to turn the speech compres-
sor ON or OFF.
r Push [TBW] (F-3) several tmes to select the
desred transmt flter wdth between wde, mddle
and narrow.
• The flter can be ndependently set on the speech com-
pressor functon s ON or OFF.
• The followng flters are specfed as the default. Each
of the flter wdth can be re-set n the level set mode.
(p. 122)
WIDE : 100 Hz to 2.9 kHz
MID : 300 Hz to 2.7 kHz
NAR : 500 Hz to 2.5 kHz
t Push [COMP] (MF7) or [EXIT/SET] to ext COMP
TBW set screen.
RECEIVE AND TRANSMIT
COMP
[MIC GAIN]
SSB
• COMP/TBW set screen
Speech compressor s OFF
Speech compressor s ON
COMP
SSB F-3
TBW
"WIDE" settng
4
Main dial
EXIT/SET
EXIT/SET
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