Icom A25 Instruction Manual - Page 13

BASIC OPERATION, Receiving and transmitting

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4 BASIC OPERATION ■■Receiving and transmitting 1 2 DDSetting the frequency LLIf the transceiver is in the Memory mode, push [CLR] to exit the DDReceiving When receiving a signal, "RX" is 3 Memory mode. displayed and audio is heard. 4 zzUse the keypad to set the frequency. LLRotate volume control knob to adjust Using dial: the audio output level. 5 1. Push [F] and then rotate [DIAL] to set the MHz digit. 6 ••" " 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. 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 7 8 9 10 11 ••The selected group and channel are displayed. Example: 2. Rotate [DIAL], or use the keypad to select a channel. (ANL) function The function reduces noise components in the received 12 signal, such as those caused by engine ignition systems. 13 TIP: To change the selected group: 1. P ush [F], and then push [GROUP] to display the "Group List" screen. zzPush [F], and then push [ANL] to turn the function ON or OFF. 14 ••"ANL" is displayed. 15 2. Rotate [DIAL], to select a group, and then push [ENT]. DDTransmitting 16 zzHold down [PTT], and then speak at your normal voice level. ••"TX" is displayed. 8

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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.
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.
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].