Icom iM506 Instruction Manual page 53

Push [CALL] to transmit the Test call.
r
• If Channel 70 is busy, the transceiver stands by until the channel
becomes clear.
After the Test call has been transmitted, the following
t
screen is displayed.
y When the acknowledgement call is received, alarm sounds
and the following screen is displayed.
Push [ALARM OFF] to stop the alarm, and then the screen
u
as shown below is displayed.
i Push [EXIT] to return to the normal operating mode.
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DSC OPERATION
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