D Roofing Filter Selection; D Dsp Filter Shape; D Filter Shape Set Mode - Icom IC-7700 Instruction Manual

5
FUNCTIONS FOR RECEIVE
D D Roofing filter selection
• Default roofing filter
Mode FIL1 FIL2 FIL3
SSB 15 15
SSB-D 6 6
CW 6 6
D D DSP filter shape
D D Filter shape set mode
(unit: kHz)
Mode FIL1 FIL2
6 RTTY 15 6
6 PSK 6 6
6 AM 15 15
The IC-7700 has 3, 6 and 15 kHz roofing filters at the
1st IF frequency. The roofing filter provides interfer-
ence reduction from nearby strong signals.
q Push and hold
screen.
w Select any mode except FM.
e Push [ROOFING]
width from 15 kHz
• Push and hold [DEF]
value.
r Push
EXIT/SET
FIL3
6
6
15
The type of DSP filter shape for each SSB, SSB data
and CW can be selected independently from soft and
sharp.
q Push and hold
screen.
w Select SSB, SSB data or CW mode.
e Push [SHAPE]
shape from soft and sharp.
r Push
EXIT/SET
The filter shape can be set for each band (HF and
50 MHz bands), mode, as well as the passband width
setting (CW only) independently from your default set-
ting in filter shape set mode.
The type of DSP filter shape for SSB, SSB data and
CW can be selected independently from soft and
sharp.
q Push and hold
screen.
w Push and hold [SHAPE]
ter shape set mode.
e Push [Y]
r Rotate the main dial to select the filter shape from
soft and sharp.
t Push
EXIT/SET
5-14
for 1 sec. to enter filter set
FILTER
to select the desired filter
F-6
6 kHz and 3 kHz.
,
for 1 sec. to select a default
F-4
to exit filter set screen.
for 1 sec. to enter filter set
FILTER
to select the desired filter
F-7
to exit filter set screen.
for 1 sec. to enter filter set
FILTER
for 1 sec. to enter fil-
F-7
or [Z] to select the desired item.
F-1 F-2
to exit filter shape set mode.