D Roofing Filter Selection; D Dsp Filter Shape - Icom IC-7600 Instruction Manual

4
RECEIVE AND TRANSMIT
D Roofing filter selection
The IC-7600 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 [FILTER] for 1 sec. to enter filter set
screen.
w Select any mode except FM.
e Push [ROOFING] (F-5] to select the desired filter
width from 15 kHz
• Push and hold [DEF] (F-4) for 1 sec. to select a default
value. (Filter passband width setting also selects a
default value.)
r Push [EXIT/SET] to exit filter set screen.
D DSP filter shape
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 [FILTER] for 1 sec. to enter filter set
screen.
w Select SSB, SSB data or CW mode.
e Push [SHAPE] (F-6) several times to select the
desired filter shape from soft and sharp.
r Push [EXIT/SET] to exit filter set screen.
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
setting in filter shape set mode.
77
6 kHz and 3 kHz.
,
DEF
F-4
FILTER
• Filter set screen
• Default roofing filter
Mode FIL1 FIL2 FIL3
15 15 6
SSB
6 6 6
SSB-D
6 6 6
CW
DEF
F-4
F-1 F-2 FILTER
ROOFING
F-5
EXIT/SET
"SHARP" is selected.
(unit: kHz)
Mode FIL1 FIL2 FIL3
15 6 6
RTTY
6 6 6
PSK
15 15 15
AM
SHAPE
F-6
Main dial
EXIT/SET