User Manual

ADVANCED CONFIGURATION
191
Is True ≠
10.0ns ~ 9.99s. Triggers when
the defined logic is not true for
the defined amount of time ±5%
(falling edge).
11. The oscilloscope will now trigger when the
specified logic appears among the digital
channels.
Trigger Threshold
Levels
The trigger threshold levels for the digital channels
can be assigned from a selected number of preset
levels or a user-defined threshold level.
Note
The threshold levels that are set in this menu will
replace the threshold levels that are set in the Logic
Analyzer menu (page 217).
12. Press Thresholds from the bottom
menu.
13. Press Select from the side menu
and choose a group of channels.
Group
D0~D3, D4~D7, D8~D11,
D12~D15
14. Press Choose Preset to select a pre-
set logic threshold.
Logic Type
Threshold
TTL
1.4V
5.0V CMOS
2.5V
3.3V CMOS
1.65V
2.5V CMOS
1.25V
ECL
-1.3V
PECL
3.7V