Tell the system that the call(s) are to be treated as DXSpider node and
fed new style DX Protocol rather normal user commands.
+=== 5^UNSET/SPIDER <call> [<call>..]^Make the callsign a normal user
+=== 5^UNSET/ARCLUSTER <call> [<call>..]^Make the callsign a normal user
+=== 5^UNSET/NODE <call> [<call>..]^Make the callsign a normal user
+=== 5^UNSET/AK1A <call> [<call>..]^Make the callsign a normal user
+=== 5^SET/USER <call> [<call>..]^Make the callsign a normal user
+
=== 0^SET/TALK^Allow TALK messages to come out on your terminal
=== 0^UNSET/TALK^Stop TALK messages coming out on your terminal