7-34 Scanning Model 2700 Multimeter/Switch System User’s Manual
Operation
A simplified model of external trigger scan operation is shown in Figure 7-4, while the
procedure steps and programming commands are listed in Table 7-2.
As shown in the operation model, when the scan is enabled, channel 101 closes and the
Model 2700 waits for an external trigger. When the trigger is received, channels 101 and
102 are measured. Operation then returns to the control source where it waits for another
trigger.
NOTE After the scan is enabled (Table 7-2, step 5), the TRIG key can be used to trigger
the scan.
Figure 7-4
External trigger scan example
2
Measurements
?
Measure
Open Last Chan
Close Next Chan
No
Yes
Wait For Trigger
Close Chan 101
Enable Scan
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