SH-220
5
■Adjusting the Squelch Level
The squelch level can be adjusted using [SQL] and [Y]/[Z]. In the order to properly
receive signals as well as for effectively scan, the squelch must be adjusted to the
proper level.
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Push [SQL] once to enter the squelch adjustment mode, and push [Y]/[Z] to ad-
just the squelch level.
The “SQL” icon starts blink.
The transceiver has 11 squelch levels: OP is completely open; 10 is tight
squelch.
No key operation is performed for 5 seconds, the transceiver returns to the
normal mode.
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Push [SQL] again to exit to normal mode.
■Transmitting/Receiving
DTransmitting
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Push [H/L] to select output power.
“LOW” appears when low power is selected.
Choose low power for short range communications; choose high power for long
distance communications.
Come channels are for low power communication only.
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Hold down [PTT] to transmit, then speak into the microphone.
“TX” appears.
Channel 70 cannot be used for transmission.
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Release [PTT] to receive.
NOTICE:
Transmitting without an antenna can damage the transceiver.
Activate TOT function by PC programming software, then it will limit long time
continuous emission.
5-10cm between mouth and microphone and speak at a normal voice level.
DReceiving
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Adjust volume levels with [Y]/[Z] keys in Volume adjusted mode.
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Set the squelch levels with [Y]/[Z] keys in Squelch adjusted mode.
When receiving a signal, “ ” appears and audio is heard from the speaker.
The transceiver has power save function, automatically activates when no sig-
nal is received for 5 seconds.
SH-220 6
English
■Channel Group Selection
This transceiver is pre-programmed
with USA, International, Russian chan-
nels. Choose the appropriate channel
groups for your operation area.
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Push [CH] to select a regular chan-
nel.
If weather channel appears,
press [CH] again.
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Hold down [CH] for 1.5 seconds, to
select USA, International, Russian channel group in sequence.
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Push [Y]/[Z] to select a channel. “DUP” appears when a duplex channel is se-
lected, “A” appears when a simplex channel is selected.
■Channel Selection
DChannel 16
Channel 16 is the distress and safety channel. It is used for es-
tablishing initial contact with a station and for emergency com-
munications. Channel 16 is monitored during both dual watch
and Tri-watch stand-by.
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Push [16/C] momentarily to select Channel 16.
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Push [CH] to return to the channel used before Channel 16, push [Y]/[Z] to se-
lect a channel.
DCall Channel
Each regular channel group has separate leisure-use call channels. The call channel is
monitored during Tri-watch. The call channel default as Channel 9 and can be reset.
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Push and hold [16/C] for 1.5 seconds to select the call chan-
nel of the selected channel group. “CALL” and call channel
number displayed.
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Push [CH] to return to the channel used before call channel,
or push [Y]/[Z] to select other channels.
DWeather Channel
THIS RADIO has 10 pre-programmed weather channels. The equipment can detect a
weather alarm tone in selected weather channels in receive and scan mode.
International
USA Russian
