Icom IC-718 Instruction Manual - Page 26

Filter selection - filter fl 52a install

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5 RECEIVE AND TRANSMIT s 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. • Optional filter variations 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 When an optional filter is installed, set the optional filter in initial set mode. An optional filter is not selected by default. • Filter construction 2nd IF signal CFWS450HT (6 kHz)*** Through 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/DET * AM; Narrow, SSB/CW/RTTY; Normal ** OPTION *** AM; Normal, SSB/CW/RTTY; Wide • Filter selection table no FL-52A FL-53A WIDE 6 K* 6 K* 6 K* SSB NORMAL 2.4 K 2.4 K 2.4 K NARROW 500* 250* WIDE 6 K* 6 K* 6 K* CW NORMAL 2.4 K 2.4 K 2.4 K NARROW 500 250 WIDE 6 K* 6 K* 6 K* RTTY NORMAL 2.4 K 2.4 K 2.4 K NARROW 500 250 WIDE AM NORMAL 6 K 6 K 6 K NARROW 2.4 K 2.4 K 500* 2.4 K 250* Note: *This selection can be used when the expanded filter selection function is turned on in the initial set mode. (see right) FL-96 6 K* 2.8 K 2.4 K 6 K* 2.8 K 2.4 K 6 K* 2.8 K 2.4 K 6 K 2.4 K 2.8 K* FL-222 6 K* 2.4 K 1.8 K 6 K* 2.4 K 1.8 K 6 K* 2.4 K 1.8 K FL-257 6 K* 3.3 K 2.4 K 6 K* 3.3 K 2.4 K 6 K* 3.3 K 2.4 K 6 K 2.4 K 1.8 K* 6 K 2.4 K 3.3 K* ( Hz ) 24

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24
5
RECEIVE AND TRANSMIT
■
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 se-
lected 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
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