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EEG trigger does not work

OS ( Win10):
PsychoPy version (3.1.3):
**What are you trying to achieve?: I want send triggers to EEG recording systems(ANT).

**What did you try to make it work?: I used the builder module to send triggers.

What specifically went wrong when you tried that?:
The program run success, but the triggers did not send to EEG recording system. There was no error. The port address in E-prime is &H378, I try port address = 0x378, but it also does not work.

Hello Tao Xia,
I am currently experiencing the same issue as you. Unfortunately, I could not figure out any solutions yet.
Would you mind sharing with me how to fix it please?