208 53220A/53230A User’s Guide
6 53220A/53230A Math, Graphing, and Data Logging
Limit Checking
Limit checking enables counter measurements to be compared on a read-
ing-by-reading basis to a lower limit and upper limit.
Limits that are exceeded are reported in the counter’s Questionable Data reg-
ister (bits 11 and 12). Register definitions and are contained in Chapter 8.
When enabled, limit checking appears on the counter display as shown in Fig-
ure 6-4.
Figure 6-4. 53220A/53230A Limit Checking.
CALCulate1:STATe ON
ALCulate1:LIMit:STATe ON
CALCulate1:LIMit:UPPer
CALCulate1:LIMit:LOWer
CALCulate1:LIMit:CLEar
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