User`s guide

34 • Operation Theory
Acquisition_in_progress
Scan_start
AD_conversion
Scan_in_progress
(SSHOUT)(pin8 on CN2)
(M_Counter = M = 3, NumChan_Counter=4, PSC_Counter=0)
Acquired & stored data
(2 scans)
Operation start
Trigger
Figure 14: Pre-trigger with M_enable = 0 (trigger occurs before M
scans)
Acquisition_in_progress
Scan_start
AD_conversion
Scan_in_progress
(SSHOUT)(pin2 on CN2)
(M_counter = M = 3, NumChan_counter=4, PSC_counter=0)
Aquired data
Acquired & stored data
(M scans)
Trigger signals which occur in the shadow
region(the first M scans) will be ignored
Operation start
Trigger
The first M scans
Figure 15: Pre-trigger with M_enable = 1
Note: The PSC_counter is set to 0 in pre-trigger acquisition mode.