GW Instek AFG-2225 User Manual - Manual (Page 17)

GETTING STARTED
17
USB Host Host USB type-A host port.
USB Device
Port Device USB type-B device port is used to
connect the function generator to a
PC for remote control.
Counter Input
IN
OUT
Trigger
Counter Trigger
MOD
Frequency counter input.
MOD Input
IN
OUT
Trigger
Counter Trigger
MOD
Modulation input terminal.