HP (Hewlett-Packard) 1660 Manual Do Utilizador

Página de 140
View the Mixed-Mode Display with Time-Correlated
Markers
When you press the 
Run key, the state analyzer triggers on the pattern FF
(when all eight lines are high) and arms the timing trigger.  Mixed Display
displays trigger points for both the timing analyzer and the state analyzer
with the state data displayed in a state listing and the timing data displayed
in a timing waveform.
1
Press the 
Run
 key.
2
Press the 
List
 MENU key.  Choose 
Mixed Display
 from the pop-up menu.
Notice the delay between the state trigger and the timing trigger, causing the
timing trigger marker to appear to the right of the FF state.  This is due to
the time required for the state analyzer to arm the timing analyzer.
3
Highlight the 
Trig to X
 field and rotate the knob to observe that the X
markers move in both the state listing and the timing waveform
displays.
Mixed Mode Display
4
Press the 
Trigger
 MENU key twice.
5
Highlight the 
Count Time
 field, and press the 
Select
 key twice.  Highlight
Off
 in the pop-up menu, and press the 
Select
 key.  Press the 
Done
 key.
Steps 4 and 5 turn off the Time Count function for the next exercise.
The timing analyzer
trigger point to the right
of the FF state.
The state analyzer
trigger point (FF). 
The X-marker.
The X-marker.
The delay between the
state trigger and the timing
trigger.  The FF state is
where all eight lines are
high.
Mixed Mode - Correlation of State and Timing Data
View the Mixed-Mode Display with Time-Correlated Markers
5-10