Icom IC-910H - SSB Mode Operation; Speech Compressor

36
5
RECEIVE AND TRANSMIT
n SSB mode operation
qPush[M/S•BAND]toselectthedesiredfrequency
band.
w Push [SSB/CW] to select USB or LSB mode.
•Push[SSB/CW]for1sec.toswitchbetweenUSBand
LSB when either the USB or LSB has been selected.
e Rotate the tuning dial to set the desired frequency.
r Push [PTT] to transmit and speak into the micro-
phone at a normal voice level.
t Rotate [MIC GAIN] so that the MAIN band indicator
periodically lights red brightly.
•ThebrightnessincreaseswhentheALCisactivated.
y Release [PTT] to receive.
Tuning dial
[SSB/CW][M/S•BAND][TRANSMIT]
[MIC GAIN]
n Speech compressor
The speech compressor increases average RF out-
put power, improving signal strength and readability in
SSB. The IC-910H has a built-in, low-distortion speech
compressor circuit.
➥ Push [COMP] to turn the speech compressor ON
and OFF.
 •EitherUSBorLSBshouldbeselected.
 •“COMP”indicatorappearswhenthespeechcompres-
sor is activated.
[MIC GAIN]
[COMP]
MAIN band LED
lights in red while transmitting.
D Compression level setting
q Select USB or LSB mode.
wPresetthetransceiverasfollows:
  [COMP]function :OFF
  [RFPOWER]control :Max.counterclockwise
e Transmit at your normal voice level.
r Adjust the [MIC GAIN] control so that the MAIN
band indicator periodically lights red brightly wheth-
er or not you speak softly or loudly.
t Push [COMP] to turn the speech compressor ON.
y Push [SET] then [COMP] to enter the COMP set
mode.
u Rotate the tuning dial to adjust the compression
level to the point where the maximum value and the
MAIN band indicator brightness does not increase,
whether or not you speak softly or loudly.
 •WhentheMAINbandindicatorcontinuouslylightsred
with increased brightness, your transmitted voice may
be distorted.
 •It’sagoodideatoadjustthecompressorlevelbymon-
itoring with an other transceiver or receiver, if you have
one, or with an other station.
i Push [COMP] to exit the COMP set mode.
ALC indicator
While transmitting, the MAIN/SUB band indicator
shows the ALC condition. Brightness increases more
than usual when the ALC function is activated.
VOX function
The VOX (Voice-operated Transmission) function is
available for switching between transmit and receive
with your voice. See p. 33 for details.