Filter
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5
RECEIVE AND TRANSMIT
n Filter selection
The filter selection switches the IF passband width
as shown in the table at right.
The filter selection is automatically memorized in
each mode.
q Select the desired mode with the mode switches.
w Push [FIL] one or more times to select the desired
filter combination.
•
ã or ç does not appear while in normal IF filter mode.
• ç appears when the wide IF filter is selected.
•
ã appears when the narrow IF filter is selected.
When an optional filter is installed, set the optional
filter in initial set mode. An optional filter is not
selected by default.
• Optional filter variations
FL-65 (2.4 kHz)*
FL-257 (3.3 kHz)**
FL-96 (2.8 kHz)**
FL-222 (1.8 kHz)**
FL-52A (500 Hz)**
FL-53A (250 Hz)**
2nd IF signal
2nd IF signal/DET
455 kHz IF filter
CFWS450HT (6 kHz)***
Through
* AM; Narrow,
SSB/CW/RTTY; Normal
*** AM; Normal,
SSB/CW/RTTY; Wide
** OPTION
Name
FL-52A
FL-53A
FL-96
FL-222
FL-257
Band width
500 Hz/-6dB
250 Hz/-6dB
2.8 KHz/-6dB
1.8 KHz/-6dB
3.3 KHz/-6dB
Mode
CW/RTTY-N
CW/RTTY-N
SSB-W
SSB-N
SSB-W
no FL-52A FL-53A FL-96 FL-222 FL-257
SSB
WIDE 6 K* 6 K* 6 K*
6 K*
6 K*
6 K*
NORMAL 2.4 K 2.4 K 2.4 K 2.4 K 2.4 K 2.4 K
NARROW 500* 250* 1.8 K
CW
WIDE 6 K* 6 K* 6 K*
6 K*
6 K*
6 K*
NORMAL 2.4 K 2.4 K 2.4 K 2.4 K 2.4 K 2.4 K
NARROW 500 250 1.8 K
RTTY
WIDE 6 K* 6 K* 6 K*
6 K*
6 K*
6 K*
NORMAL 2.4 K 2.4 K 2.4 K 2.4 K 2.4 K 2.4 K
NARROW 500 250 1.8 K
AM
WIDE
NORMAL 6 K 6 K 6 K 6 K 6 K 6 K
NARROW 2.4 K
2.4 K 2.4 K 2.4 K 2.4 K 2.4 K
500* 250* 2.8 K* 1.8 K* 3.3 K*
2.8 K
2.8 K
2.8 K
( Hz )
3.3 K
3.3 K
3.3 K
Note: *This selection can be used when the expanded filter
selection function is turned on in the initial set mode. (see right)
• Filter construction
• Filter selection table