GW Instek GDS-2000A series User Manual - Manual (Page 173)

CONFIGURATION
173
3. Press Demo Mode from the side
menu and select the mode for the
Demo outputs. The actual output
waveform for each demo output is
listed in the side menu.
Note
Trigger Output Usage:
To use the DEMO 1 Trigger Output signal, an input
signal should first be connected to one of the input
channels (CH1, 2, 3 or 4), otherwise no Trigger Output
signal will be shown.