Agilent Technologies 3458A User Manual page 111

the signal's polarity: NEG = low-going, POS = high-going. The events that
can generate a signal on the Ext Out connector are:
•
Reading complete
•
Burst of readings complete
•
Input complete
•
Aperture waveform
•
Service Request
•
Executing the EXTOUT ONCE command
Most of the above events apply to the multimeter's A/D converter. Figure 20
shows the relationship of these events to the A/D converter activity.
Note
The apparent time intervals shown in Figure 20 are for the illustration
purposes only. They are not meant to indicate the actual intervals produced
by the multimeter.
Chapter 4 Making Measurements 111