ICOM 217800 Manuale Utente

67

6

FUNCTION FOR TRANSMIT

■

The transmit filter width for SSB mode can be se-
lected from wide, middle and narrow.

➥ During USB or LSB mode selection, push [COMP]

for 1 sec. several times to select the desired trans-
mit filter width from wide, middle and narrow.

• The filter functions regardless of the speech compres-

sor use.

• The following filters are specified as the default. Each

of the filter width can be re-set in level set mode.
(pgs. 93, 94)

WIDE : 100 Hz to 2.9 kHz
MID

: 300 Hz to 2.7 kHz

NAR

: 500 Hz to 2.5 kHz

[COMP]

■

The RF speech compressor increases average RF
output power, improving signal strength and readabil-
ity in SSB.

q Select USB or LSB mode.
w Push [COMP] momentarily to turn the speech

compressor ON and OFF.

e Push [COMP] for 1 sec. to toggle between narrow,

middle or wide transmit filter.

• Transmit filter width:

NAR

2.0 kHz

MID

2.6 kHz

WIDE

2.9 kHz

q Select USB or LSB mode.
w Preset the transceiver as follows:

[COMP] function 

: OFF

[METER] function 

: ALC

[MIC GAIN] control

: Center position

[COMP] control

: Center position

[RF POWER] control : Max. counterclockwise

e Transmit at your normal voice level.
r Adjust the [MIC GAIN] control so that the ALC

meter reads within the ALC zone, whether or not
you speak softly or loudly.

t Push [COMP] momentarily to turn the speech

compressor ON.

y Push [METER] once to select the COMP meter.
u Adjust the [COMP] control so that the COMP

meter reads within 10 dB and 20 dB.

When the ALC meter peaks above the ALC zone,
your transmitted voice may be distorted.

[METER] switch

[COMP] switch

[MIC GAIN] control

[COMP] control

[RF POWER] control