A&D A & D Analytical Balance GH-120/GH-200/GH-300/GH-202/GH-252 - Manual (Page 80)

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AX-T-314A-S External key Plug
This plug produces the same operations as
pressing the
RE-ZERO and PRINT keys. It
enables remote control of the balance using
an external switch.
This operation must connect the GND line to
the PRINT or RE-ZERO line for at least 100
miliseconds.
AX-SW128 Foot switch
The switch can be used to connect the
external key plug and used to the
RE-ZERO
or PRINT keys.
Note When the foot switch is to be used,
prepare the AX-SW128 and AX-T-314A-S
beforehand.
Foot switch
AX-SW128
External key Plug
AX-T-314A-S
Terminal