Icom IC-A25C Full Manual - Page 14

Receiving and transmitting

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4 BASIC OPERATIONS Receiving and transmitting DDSetting the frequency LLIf the transceiver is in the Memory mode, push [CLR] to exit the Memory mode. zzUse the keypad to set the frequency. Using dial: 1. Push [F] and then rotate [DIAL] to set the MHz digit. ••" " is displayed while setting the MHz digit. 2. Within 3 seconds*, Push [F] again, and then rotate [DIAL] to set the kHz digit. ••" " disappears.* *" " automatically disappears in 3 seconds after [F] is pushed, or set the MHz digit.  Selecting a Memory channel 1. Push [MR] to enter the Memory mode. ••The selected group and channel are displayed. •• Example: 2. Rotate [DIAL], or use the keypad to select a channel. TIP: To change the selected group: 1. Push [F], and then push [GROUP] to display the "Group List" screen. DDAdjusting the squelch level zzPush [SQL∫] or [SQL√] to adjust the squelch level until the noise just disappears, when no signal is received. ••The adjustment screen is displayed while adjusting. DDUsing the Automatic Noise Limiter (ANL) function The function reduces noise components in the received signal, such as those caused by engine ignition systems. zzPush [F], and then push [ANL] to turn the function ON or OFF. ••"ANL" is displayed. DDTransmitting zzHold down [PTT], and then speak at your normal voice level. ••"TX" is displayed. 2. Rotate [DIAL], to select a group, and then push [ENT]. DDReceiving When receiving a signal, "RX" is displayed and audio is heard. LLRotate volume control knob to adjust the audio output level. 4-2

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4
BASIC OPERATIONS
4-2
Receiving and transmitting
D
Setting the frequency
L
If the transceiver is in the Memory mode, push [CLR] to
exit the Memory mode.
z
Use the keypad to set the frequency.
Using dial:
1.
Push [F] and then rotate [DIAL] to set the MHz
digit.
•
“
” is displayed while setting the MHz digit.
2.
Within 3 seconds*, Push [F] again, and then rotate
[DIAL] to set the kHz digit.
•“
” disappears.*
*“
” automatically disappears in 3 seconds after [F] is
pushed, or set the MHz digit.
Selecting a Memory channel
1.
Push [MR] to enter the Memory mode.
• The selected group and channel are displayed.
•
Example:
2.
Rotate [DIAL], or use the keypad to select a
channel.
D
Receiving
When receiving a signal, “RX” is displayed and audio
is heard.
L
Rotate volume control knob to adjust the audio output
level.
TIP:
To change the selected group:
1.
Push [F], and then push [GROUP] to display
the “Group List” screen.
2.
Rotate [DIAL], to select a group, and then
push [ENT].
D
Adjusting the squelch level
z
Push [SQL
∫
] or [SQL
√
] to adjust the squelch level
until the noise just disappears, when no signal is
received.
• The adjustment screen is displayed while adjusting.
D
Using the Automatic Noise Limiter
(ANL) function
The function reduces noise components in the
received signal, such as those caused by engine
ignition systems.
z
Push [F], and then push [ANL] to turn the function
ON or OFF.
• “ANL” is displayed.
D
Transmitting
z
Hold down [PTT], and then speak at your normal
voice level.
• “TX” is displayed.