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QUICK REFERENCE GUIDE
c. N N
N N
o o
o o
t t
t t
c c
c c
h h
h h
: THay dos sistemas notch en su IC-746PRO.
• Automatico: ThEl nocht automático e automatic notch will track up to
three heterodynes. This is helpful for eliminating annoying transmit-
ter "tune up" tones on any band, and to minimize continuous tone
"heterodynes" encountered on the 40 meter phone bands at night, for
example. Once selected an icon will appear "A A NOTCH" on the dis-
play.
Hint!
The
Automatic Notch will not operate in the SSB data, CW or
The
Automatic Notch will not operate in the SSB data, CW or
R
R
TTY
TTY
modes.
modes.
•
Manual:
Manual:
The Manual notch provides 70 dB of attenuation to pin point
The Manual notch provides 70 dB of attenuation to pin point
an interfering signal.
The 12 o'clock position is on the operating fre
an interfering signal.
The 12 o'clock position is on the operating fre
quency
quency
, turning the Notch knob clockwise moves the notch up the
, turning the Notch knob clockwise moves the notch up the
band and counter clockwise will move the notch down the band.
band and counter clockwise will move the notch down the band.
Once selected an icon "NOTCH" will appear on the display
Once selected an icon "NOTCH" will appear on the display
Low frequency
d. Filtros: Su IC-7400 tiene un increible IF DSPred de filtros con más de
100 ajustes
b b a a s s e e d d fi fi l l t t e e r r n n e e t t w w o o r r k k w w i i t t h h o o v v e e r r 1 1 0 0 0 0 s s e e t t t t i i n n g g s s . .
• D D
D D
i i
i i
a a
a a
l l
l l
i i
i i
n n
n n
y y
y y
o o
o o
u u
u u
r r
r r
fi fi
fi fi
l l
l l
t t
t t
e e
e e
r r
r r
s s
s s
: :
: :
B B
B B
y y
y y
t t
h h
e e
fi fi
l l
t t
e e
r r
s s
e e
t t
m m
o o
d d
e e
. .
T T
t t
h h
e e
fi fi
l l
t t
e e
r r
s s
e e
t t
m m
o o
d d
e e
. .
T T
fi fi
fi fi
l l
l l
t t
t t
e e
e e
r r
r r
p p
p p
r r
r r
e e
e e
s s
s s
e e
e e
t t
t t
s s
s s
. Através de la parte inferior de la pantalla podrá ver el icono
"BW" . el interruptor justo abajo, junto con el sintonizador del dial, se usará
para seleccionar los cambios que usted hará. .
A G C D U P C M P T B W S C P
The selected filter width is indicated
for approx. 1 sec. when [FILTER] is
pushed.
VII
NR
NOTCH
High frequency
p p
p p
u u
u u
s s
s s
h h
h h
i i
i i
n n
n n
g g
g g
[ [
[ [
F F
F F
I I
I I
L L
L L
T T
T T
E E
E E
R R
R R
] ]
] ]
f f
f f
o o
o o
r r
r r
1 1
1 1
s s
s s
e e
e e
c c
c c
. .
. .
, ,
, ,
h h
i i
s s
i i
s s
w w
h h
e e
r r
e e
y y
o o
u u
a a
r r
e e
a a
b b
l l
e e
s s
e e
t t
h h
i i
s s
i i
s s
w w
h h
e e
r r
e e
y y
o o
u u
a a
r r
e e
a a
b b
l l
e e
s s
e e
t t
[FILTER]
Filter selection
[A/NOTCH] [NOTCH]
-
-
A G C D U P C M P T B W S C P
.
.
NOTA: Su IC-7400 está equipado con circuitos AGC múltiples. Esto per-
mite al DSP filtrar señales que interfieran y QRM, mientras se sacan
estas intereferencias del AGC. La linea inferior eliminará o reducirá
enormemente el aumento del AGC de la señal de interferencia.
• Filter set mode indication
y y
y y
o o
o o
u u
u u
e e
e e
n n
n n
t t
t t
e e
e e
r r
r r
B W
t t
h h
e e
t t
h h
r r
e e
e e
t t
h h
e e
t t
h h
r r
e e
e e
Shows the selected filter and passband width.
• Indication while setting
B W
While pushing [F1 BW], rotate the tuning dial to set
passband width.
Notch function indicators
Reverses
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