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44
10
SET MODES
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Microphone simple mode
Microphone Simple mode is used to assign the essential
operations to the four switches (S1 to S4) on the remote
control unit.
• mS .Sm
• mS .n1 (default)
• mS .n2
•
User remote control unit
The circuit illustrated below is for only reference.
2.7k
Ω
6.8k
Ω
15k
Ω
33k
Ω
+
–
S1
S2
S3
S4
to the [SP] jack
GND
SP
REMOTE
Rated input
700 mW (8
Ω
)
EXTERNAL SPEAKER
3.5(d) mm
>
‗
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Voltage display
The voltage of the battery is displayed at power ON.
This display can be turned ON or OFF.
• VLt.OF : The battery voltage display is skipped.
• VLt.On : The battery voltage is displayed at power ON. (default)
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Battery protection
When the battery voltage decreases, the Battery Pro-
tection function automatically turns OFF the transceiv-
er. Select the function option according to your battery
type. (default: differs depending on the version)
• bAt.OF : Turns OFF the function. Select when you use the
BP-263 battery case.
• bAt.nm : Select when you use the BP-264 Ni-MH battery
pack.
• bAt.LI :
Select when you use the BP-265 Li-ion battery pack.
NOTE:
BE SURE
to select an appropriate option accord-
ing to your battery type.
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Auto low power
Turns the Automatic Low-power function ON or OFF.
When the temperature goes below 0°C (+32°F), the function
automatically sets the output power to low. In that case, the
transmit power selections (Hi or Mid) are also disabled.
(default: ALP.OF)
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Squelch burst
The squelch burst function stops transmitting a subaudible tone be-
fore your transceiver stops transmitting RF, to eliminate noise. The
squelch burst will be effective only when the other station uses the
tone squelch function.
• Sqb.OF : The squelch burst is OFF. (default)
• Sqb.On : The squelch burst is ON.
S1
Selects the Call channel.
S2
Turns the Monitor function ON or OFF.
S3
Selects memory channel 0.
S4
Selects memory channel 1.
S1
Toggles the VFO mode and the memory mode.
S2
Selects the Call channel.
S3
Frequency or memory channel up.
S4
Frequency or memory channel down.
S1
Toggles the VFO mode and the memory mode.
S2
Turns the Monitor function ON or OFF.
S3
Frequency or memory channel up.
S4
Frequency or memory channel down.
Only IC-U80/IC-U80E
Only IC-U80/IC-U80E