Icom COMMUNICATIONS RECEIVER IC-R3 - Manual (Page 13)

9
3
FREQUENCY AND CHANNEL SETTING
■ Selecting a memory channel
q Push [V/M] to select memory
mode.
• “ X ” or “M:” appears when a mem-
ory channel is selected.
w Rotate [DIAL] to change the indi-
cated memory channel.
• Only programmed memory chan-
nels can be selected.
• Rotate [DIAL] while pushing [FUNC]
to change the memory bank.
■ Lock function
The lock function prevents accidental frequency changes and
accidental function access.
➥ Push [FUNC] + [MODE] for 2 sec. to toggle the lock func-
tion ON and OFF.
• [POWER], [ ↕ (VOL)] and [SQL] can
still be accessed while the lock func-
tion is ON (default).
• Accessible switches can be set to 1
of 4 groups in set mode. See p. 42
for details.
■ Attenuator function
The attenuator prevents a desired signal from distorting when
very strong signals are near the desired frequency or when
very strong electric fields, such as from a broadcasting sta-
tion, are near your location.
The receiver has 4 attenuation levels for various operating
conditions. The attenuator functions when the operating fre-
quency is 1149.995 MHz or below.
q Push [FUNC] + [(SQL) ATT] to enter the attenuator setting
condition.
w Rotate [DIAL] to set the attenuation level 1–4 or turn the
attenuator function OFF.
• “ATT1” – “ATT4” appears in the color LCD when the color LCD is
ON; “ATT” appears in the sub display when the color LCD is OFF.
e Push [(SQL) ATT] to exit the attenuator setting condition.
FM
ATT
S1 3 5 7 9
VOL
FM ATT4
145.000.000
TS 15.0
Shows when the attenuator
is in use.
Shows when the attenuator
(level 4) is in use.
FM
P
FM
P
[DIAL] changes the
memory channel.
While pushing [FUNC],
[DIAL] changes the
memory bank.
FM
“ L ” appears when the
lock function is in use.