Icom IC-R2500 Marine Radio User Manual


 
65
OTHER FUNCTIONS
11
DD
ANF function [
The ANF (Automatic Notch Filter) function automatically at-
tenuates beat tones, tuning signals, etc., even if they’re fre-
quency changes. This function can be activated in SSB, AM,
FM modes.
q Select any of SSB, AM or FM mode in the desired band
(left or right).
w Push [SET•SKIP] to enter set mode
.
e Push [SET•SKIP] or [ATT•PRIO] several times until “AnF”
appears.
r Rotate same band’s [DIAL] to toggle the ANF function ON
and OFF.
t Push any key for main band to exit set mode
.
DD
NR function [
The NR (Noise Reduction) function reduces noise compo-
nents and picks out desired signals which are buried in noise.
The received AF signals are converted to digital signals and
then the desired signals are separated from the noise. This
function is available for all operating modes.
q Select the desired band (left or right) as main band.
w Push [SET•SKIP] to enter set mode
.
e Push [SET•SKIP] or [ATT•PRIO] several times until “nr”
appears.
r Rotate same band’s [DIAL] to select the NR level from 1 to
15 or OFF.
t Push any key for main band to exit set mode
.
[SET•SKIP]
[DIAL]
[ATT•PRIO]
[SET•SKIP]
[DIAL]
[ATT•PRIO]
DSP operation (Optional UT-106 is required)
UT-106 installation is described in the IC-PCR2500’s Instruction manual. See the installation details.