A&D GF-3000 - 17-3 Using Windows Communication Tools (WinCT)

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External input
Pin 18 and pin 19 perform the same function as pressing the PRINT and RE-ZERO keys
respectively by connecting each pin to pin 7 for at least 100 ms.
Use of example
The external input connector (AX-HDB-25P/CTF)
and the foot switch (AX-SW128) are sold separately.