Carrier XCT 7 40VCB117FQEE Manual De Instalación Y Funcionamiento página 19

Software Installation
5. If the port setting is wrong, it will pop out a warning 'Port is occupied or does not exist'.
Please set it again.
Adding/Deleting device
1. Adding device by auto searching
(a) Click on the tab "Auto Search".
Click the "auto search" button
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Click "OK" to reset the port.
Firstly, check if the port no.
is right. Please restart the
computer when using the
serial port tool for the first
time.