Icom IC-7600 Instruction Manual - Page 46
◇ APF (Audio Peak Filter) operation, APF/TPF]
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4 RECEIVE AND TRANSMIT D APF (Audio Peak Filter) operation The APF changes the audio frequency response by boosting a particular frequency to enhance a desired CW signal. q D uring CW mode, push [APF/TPF] to turn the audio peak filter ON and OFF. • " " appears in the display and the indicator on this switch lights green when the audio peak filter is ON. w P ush and hold [APF/TPF] for 1 sec. several times to select the desired audio filter width. • WIDE, MID and NAR filters, or 320, 160 and 80 Hz fil- ters are available depending on [APF type] item setting in other set mode. (p. 133) The APF (Audio Peak Filter) type is also selectable from "SOFT" and "SHARP" in [APF type] item in others set mode (p. 133). APF/TPF 39
D
APF (Audio Peak Filter) operation
The APF changes the aud±o frequency response by
boost±ng a part±cular frequency to enhance a des±red
CW s±gnal.
q
Dur±ng CW mode, push
[APF/TPF]
to turn the
aud±o peak f±lter ON and OFF.
•
“
” appears ±n the d±splay and the ±nd±cator on th±s
sw±tch l±ghts green when the aud±o peak f±lter ±s ON.
w
Push and hold
[APF/TPF]
for 1 sec. several t±mes
to select the des±red aud±o f±lter w±dth.
•
WIDE, MID and NAR f±lters, or 320, 160 and 80 Hz f±l-
ters are ava±lable depend±ng on [APF type] ±tem sett±ng
±n other set mode. (p. 133)
The APF (Aud±o Peak F±lter) type ±s also selectable
from “SOFT” and “SHARP” ±n [APF type] ±tem ±n oth-
ers set mode (p. 133).
APF/TPF
39
4
RECEIVE AND TRANSMIT