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Speaker Audio
The audio is connected through the external speaker output jack.
This is affected by the volume control on the radios front. The setting
below will inhibit that some one accidently changes the setting on the
front panel.
Set both the Min and Max Audio Level to 15. This will force the
external audio to have a fixed volume level that is accepted by the
X-Link Interface.
Busy
Set the Ext I/O 17 to Busy active Low.
PTT
Set the Ext I/O 19 to EPTT active Low.
Icom IC-F5400-series A
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