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4
RECEIVING AND TRANSMITTING
4-6
Digital Selector
You can manually adjust the center frequency of
the automatic preselector using the Digital Selector
function.
The automatic preselector adds selectivity ahead of
the 1st mixer. This reduces intermodulation distortion
from nearby strong signals. The automatic preselector
tracks the frequency tuning by changing its resonant
frequency in discrete steps. The Digital selector is
used within the ham band, except for the 50 MHz
band.
D
Turning ON the Digital Selector function
1. Push
MENU
to open the MENU screen.
2. Touch [DIGI-SEL] to turn ON the Digital Selector
function ON.
L
Touching [DIGI-SEL] to turn the function ON or OFF.
D
Adjusting the
center frequency
1. While the MENU screen is displayed,
touch [DIGI-SEL] for 1 second.
• The Multi-function menu is displayed, and the Digital
Selector adjustment is automatically selected.
2. Rotate
MULTI
to adjust the center frequency.
3. To close the Multi-function menu, push
EXIT
.
NOTE:
• When you rotate
MAIN DIAL
while the Digital Selector
is ON, mechanical noise may be heard due to the
switching noise from internal relays.
• The P.AMP 1 or P.AMP 2 preamps cannot be used while
using the Digital Selector.
Notch Filter
D
Auto
Notch function
The Auto Notch automatically attenuates beat tones,
tuning signals, and so on.
L
“AN” is displayed when the Automatic Notch
function is ON.
The IC-7610 has Auto Notch and Manual Notch
functions.
Auto Notch can be used in the SSB, AM and FM
modes, and Manual Notch can be used in the SSB,
CW, RTTY, PSK, and AM modes.
D
Selecting the Notch function type
1. Push
MENU
.
2. Touch [NOTCH] to select the Notch function type.
L
Touching [NOTCH] changes between “AN (Auto
Notch),” “MN (Manual Notch)” and OFF.
• “AN” is displayed when the Automatic Notch function
is ON, and “MN” is displayed when the Manual Notch
function is ON.
3. To close the MENU screen, push
EXIT
.
Содержание IC-7610
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