D Roofing Filter Selection; Ddsp 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
interference reduction from nearby strong signals.
q Hold down [FILTER] for 1 second to select the filter
set screen.
w Select any mode except FM.
e Push [ROOFING] (F-5] to select the desired filter
width from 15 kHz
• Hold down [DEF] (F-4) for 1 second 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 Hold down [FILTER] for 1 second to select the filter
set screen.
w Select the 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 the filter shape set mode.
85
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
FILTER
F-1 F-2
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