Answer
In order to toggle between the HL7800 AT command interface and the smartBASIC AT command interface, the DTR tickbox in UwTerminal needs to be de-asserted (Toggled) and then re-asserted(Toggled) again.
In order to toggle between the HL7800 AT command interface and the smartBASIC AT command interface, the DTR tickbox in UwTerminal needs to be de-asserted (Toggled) and then re-asserted(Toggled) again.