1. To user trigger level knob to alter trigger level
and instruct trigger level line by seeing trigger mark
on the screen so that it moves vertically with knob
rotation. Variation of trigger level in lower part of
screen can be observed when mov ing trigger level
at the same time
2. (As shown in Figure 1-12,) TRIGGER MENU ca
be us ed to alter trigger setup
User can press [F1] key to select “edge” trigger
n trigger signal amplitude
To press FORCE button: To produce 1 trigger
signal forcefully for mainly application for normal
and s ingle trigger mode
Operating Manual for UTD2000/3000
14
They can press [F2]key to select “trigger source
They can press [F3] key to set “gradient” of edge
type to ascending
They can press [F4 ]key to set “trigger mode” to
automatic. They can also press F5 key to set
“trigger coupling” to AC
They can press [50%] button for 5.7-inch oscillograp
and press [SET TO ZERO] key for 7-inch oscillograph
It also has to set vertical middle point of trigger level
2