![background image](http://html1.mh-extra.com/html/icom/im423/im423_instruction-manual_4301608051.webp)
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DSC OPERATION
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Push [CALL] to transmit the Test call.
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• If Channel 70 is busy, the transceiver stands by until the channel
becomes clear.
After the Test call has been transmitted, the following
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screen is displayed.
When the acknowledgement call is received, beeps sound
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and the following screen is displayed.
Push [ALARM OFF] to stop the beeps, and then the screen
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as shown below is displayed.
Push [EXIT] to return to the normal operating mode.
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Summary of Contents for iM423
Page 98: ...89 10 CONNECTIONS AND MAINTENANCE Gasket Mounting base Cap Nut...
Page 104: ......
Page 105: ...MEMO...
Page 106: ...MEMO...