Trigger Source Selection - Tektronix 222 Operator's Manual

222 DSO Operators-How It Works
4.18 TRIGGER SOURCE SELECTION
Press the Trigger
eb;;;;l
button to display the Trigger SOURCE
control menu. The selected source is boxed in the menu.
Press the
eb;;;;l
button repeatedly to cycle through the choices
while the menu is displayed. Press to remove the menu
display when the desired Trigger SOURCE is selected.
Press
V E R T ~ , C H I - , C H ~ ,
or
E X T ~
to make the choice directly and clear the menu.
VERT uses the channel 1 signal as the trigger source if both
channels are displayed and the channel 2 signal when only
channel 2 is displayed.
REV MAR 1989