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Page 59FT
DX
1200 OPERATING MANUAL
T
OOLS
FOR
C
OMFORTABLE
AND
E
FFECTIVE
R
ECEPTION
[
VFO-B/CLAR
]
Knob
[
S
/
T
]
Button
[
SELECT
]
Button
[
MENU
]
Button
[
CLEAR
]
Button
DSP IF FILTER TYPES
Using 'S3 arithmetic processing and the normal bandwidth characteristics of the 'S3 IF ¿lter, the sound Tuality can be
made close to a conventional analog ¿lter by rounding the shoulder of the ¿lter, or importance can be placed on the ¿lter
cut-off by making the skirt characteristics Àat. In addition, an improved ¿lter composition can be enjoyed depending on
the mode by combining the passing bandwidth characteristics and attenuation band characteristics.
1. 3ress the
[
MENU
]
button to engage the 0enu mode.
. 5otate the
[
VFO-B/CLAR
]
knob or press the
S
T
button) to select the desired mode. See the tables
below for details.
3. 3ress the
[
SELECT
]
button.
4. 5otate the
[
VFO-B/CLAR
]
knob or press the
S
T
button) to adjust the sound Tuality.
When the
[
CLEAR
]
button is pressed, the values
can be returned to their initial values.
. When the
[
SELECT
]
button is pressed followed by
the
[
MENU
]
button, the new setting will be con-
¿rmed and operation returns to normal.
Passing Bandwidth Characteristics
MODE BAND MENU ITEM
CW HF 112 HF CW SHAPE
50MHz 114 6M CW SHAPE
PSK HF 116 HF PSK SHAPE
FSK HF 118 HF FSK SHAPE
SSB HF 120 HF SSB SHAPE
50MHz 122 6M SSB SHAPE
The following settings are available.
SHARP
Set the passing bandwidth of the IF ¿lter
as amplitude characteristic. Using 'S3
arithmetic processing, a sharp and ideal
shape factor will result.
SOFT
Set the characteristic of the IF filter as a
phase characteristic. Using 'S3 arithmetic
processing, the shoulder of the filter will
become rounded and the sound Tuality
will become close to that of a conventional
analog ¿lter.
Attenuation Band Characteristics
MODE BAND MENU ITEM
CW HF 113 HF CW SLOPE
50MHz 115 6M CW SLOPE
PSK HF 117 HF PSK SLOPE
FSK HF 119 HF FSK SLOPE
SSB HF 121 HF SSB SLOPE
50MHz 123 6M SSB SLOPE
STEEP
”, “
MEDIUM
”, and “
GENTLE
” are selectable
for the IF ¿lter slope.
SHARP SOFT
STEEP
MEDIUM
GENTLE
61


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  • Green Light on VFO A and MEM is flashing and no audio. Even tried Factory Reset and still flashing. How do I fix this? Submitted on 6-12-2022 at 07:37

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