Afc Function; Nb/Anl Functions - Icom IC-R20 Instruction Manual

4
BASIC OPERATION

■ AFC function

The AFC (Automatic Frequency Control) function tunes the
displayed frequency automatically when an off-center fre-
quency is received. It activates in FM/WFM modes only with
single band operation.
➥ Push [0 AFC] to toggle the AFC function ON and OFF.
• "AFC" appears when the AFC function is in use.
DUALWATCH MAIN/SUB POWER
VFO MODE MR
BAND
MHz SCAN S.MW
DIAL.SEL SWEEP CENTER
1 2 3
SCOPE
T-SCAN SKIP M.N
4 5 6 0
AFC
TONE SET TS
7 8 9
LOCK
ATT RF GAIN IC Recorder
REC
NOTE: The AFC function is not available during dualwatch
operation.
21
"AFC" appears while the
AFC function is in use.
-DUP TSQL AFC
MODE FM ANL
1260 000
0
AFC
PSKIP
√
ATT
or
" " " " appears when
an off-frequency is received.
■ NB/ANL function
The NB (noise blanker) function removes pulse-type noise
when USB, LSB or CW mode is selected. The ANL (Auto-
matic Noise Limitter) function reduces noise components
when AM mode is selected.
"NB" appears while the
NB function is in use.
TSQL AFC
-DUP
MODE USB NB
145 100
PSKIP
√
See page 22 for setting details.
NOTE: No display indication appears during dualwatch op-
eration, but both functions are active while in specific
modes.
"ANL" appears while the
ANL function is in use.
TSQL AFC
-DUP
MODE AM ANL
51 100
PSKIP
√