Icom IC-7410 Instruction Manual - Page 67

Noise Blanker, Meter Peak Hold function

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■ Noise Blanker (Mode: SSB/CW/RTTY/AM) The Noise Blanker eliminates pulse-type noise such as noise from car ignitions. q Push [NB] to turn ON the Noise Blanker function. • "NB" appears. w R otate the [NB] control to adjust the Noise Blanker threshold level. e P ush [NB] again to turn OFF the function. • "NB" disappears. When using the Noise Blanker function, received signals may be distorted if they are excessively strong or when used for noise other than pulses. In this case, set the Noise Blanker threshold level to a shallow position, or turn OFF the function. D NB Set mode To deal with various types of noise, the attenuation level and noise blanking duration can be set in the NB Set mode. q H old down [NB] for 1 second to display the "NB" screen (Noise Blanker). w P ush [Y](F-1) or [Z](F-2) to select the desired item. e R otate [DIAL] to select the desired option. • Hold down [F-3] for 1 second to reset to the default setting, if desired. r P ush [NB] to save and return to the previous screen. 1. NB Depth (Default: 8) Set the noise attenuation level to between 1 and 10. 2. NB Width (Default: 50) Set the blanking duration to between 1 and 100. ■ Meter Peak Hold function When the "Meter Peak Hold" item is set to ON in the Set mode, the peak level of a received signal strength or the output power is displayed for approximately 0.5 seconds. (p. 86). 5 FUNCTIONS FOR RECEIVE [NB] control [NB] M1 AGC TBW SCP Appears NB NB Depth ∫1 √ 8 Select the item Reset to the default setting Appears for 0.5 seconds. SET M e t e r P e a k H o l d Ù 10 Ú ON 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 60

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60
5
FUNCTIONS FOR RECEIVE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
■
Noise Blanker
(Mode: SSB/CW/RTTY/AM)
The Noise Blanker eliminates pulse-type noise such
as noise from car ignitions.
q
Push [NB] to turn ON the Noise Blanker function.
• “NB” appears.
w
Rotate the [NB] control to adjust the Noise Blanker
threshold level.
e
Push [NB] again to turn OFF the function.
• “NB” disappears.
When using the Noise Blanker function, received
signals may be distorted if they are excessively
strong or when used for noise other than pulses. In
this case, set the Noise Blanker threshold level to a
shallow position, or turn OFF the function.
■
Meter Peak Hold function
When the “Meter Peak Hold” item is set to ON in the
Set mode, the peak level of a received signal strength
or the output power is displayed for approximately 0.5
seconds. (p. 86).
D
NB Set mode
To deal with various types of noise, the attenuation
level and noise blanking duration can be set in the NB
Set mode.
q
Hold down [NB] for 1 second to display the “NB”
screen (Noise Blanker).
w
Push [
Y
](F-1) or [
Z
](F-2) to select the desired
item.
e
Rotate [DIAL] to select the desired option.
• Hold down [F-3] for 1 second to reset to the default set
-
ting, if desired.
r
Push [NB] to save and return to the previous
screen.
NB Depth
1.
(Default: 8)
Set the noise attenuation level to between 1 and 10.
NB Width
2.
(Default: 50)
Set the blanking duration to between 1 and 100.
[NB]
[NB] control
AGC
TBW
SCP
M1
Appears
Select the item
Reset to the default
setting
∫
1
√
8
NB
NB Depth
Appears for 0.5 seconds.
Ù
10
Ú
ON
SET
Meter Peak Hold