A&D Weighing GX-8000 Addendum - Manual (Page 2)

66
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 m seconds.
Use of example
The external input connector
(AX-HDB-25P/CTF) and the foot switch
(AX-SW128) are sold separately.