GW Instek GLA-1000 Series User Manual - Manual (Page 61)

Trigger Setup
61
Trigger Output Signal
GLA has three output signals which can be used for monitoring trigger condition.
Connector
Three signals, S_O, T_O, and R_O, output high level (3.3V) under
specific conditions.
Signal
description S_O
(Start Out)
Outputs high level from when the Start key is
pressed, or the Run command becomes
active, until the end of data capturing.
or F5
T_O
(Trigger Out)
Outputs high level from when the trigger
condition is met, until the end of data
capturing.
R_O
(Read Out)
Outputs high level from when the data
capturing has finished (GLA starts
transferring data to PC) until the transfer is
completed.
Diagram
End
Input
S_O
T_O
R_O
Trigger Start
Data capture
Data transfer
GLA cannot capture the next data while R_O is high (data transfer
not completed yet).