Brother TD-2020 Service Manual page 110

 Changing settings for RS-232C
The computer and the machine used in write serial number must be connected with RS-
232C. To connect to the optional COM port of the computer, change the inspection tool
settings by following procedures below.
(1) Start the inspection tool and press the [General settings] button on the main screen.
(2) Press the [Setting] button in the "Target connection" field.
(3) Change the "Port No" according to the COM port number of the PC to be connected.
When it is changed, press the [OK] button.
Figure 59. [General settings] button
Figure 60. "Config" window
Figure 61. COM setting
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