4
RECEIVING AND TRANSMITTING
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4-5
Noise Blanker
The Noise blanker eliminates pulse-type noise such
as the noise from car ignitions.
The Noise blanker cannot be used in the FM mode.
Push
NB
to turn the Noise Blanker ON or OFF.
• The Noise Blanker indicator on
NB
lights.
NOTE
: When using the Noise Blanker, received signals
may be distorted if they are excessively strong, or the
noise is other than a pulse type. In that case, turn OFF the
Noise Blanker, or shallow the DEPTH on the NB menu.
See the instruction below for details.
D
Adjusting the NB level and time
To deal with various types of noise, you can adjust the
attenuation level and the blanking depth and width in
the NB menu.
1. Hold down
NB
for 1 second.
• Turns ON the Noise Blanker and opens the NB menu.
2. Touch the adjusting item.
3. Rotate
MULTI
to adjust the item.
(Example: 8)
LEVEL
(Default: 50%)
Adjust the level where the Noise Blanker activates
between 0 and 100%.
DEPTH
(Default: 8)
Adjust the noise attenuation depth between 1 and 10.
WIDTH
(Default: 50)
Adjust the blanking duration time between 1 and 100.
The indicator lights.
4. Push
MULTI
to set and close the NB menu.
Noise Reduction
The Noise Reduction reduces random noise
components and enhances signal audio.
Push
NR
to turn the Noise Reduction ON or OFF.
• The Noise Reduction indicator on
NR
lights.
D
Adjusting the Noise Reduction level
Adjust the Noise Reduction level to where noise is
reduced but the received signal is not distorted.
1. Hold down
NR
for 1 second.
• Turns ON the Noise Reduction and opens the NR
menu.
2. Rotate
MULTI
to adjust the Noise Reduction
level to between 0 and 15.
L
Adjust to a higher level to increase the reduction
level, and to a lower level to decrease it.
Noise Reduction OFF
NR level 0
Noise Reduction ON
NR level 4
Noise components
Desired signal (CW)
The indicator lights.
3. Push
EXIT
to close the NR menu.
Содержание IC-7610
Страница 1: ...BASIC MANUAL i7610 HF 50 MHz TRANSCEIVER...
