Agilent Technologies ESG Spezifikationen Seite 70

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1-66 Programming Guide
Preparing for Use ESG Family Signal Generators
Programming the Status Register System
The transition filter specifies which types of bit state changes in the condition register will
set corresponding bits in the event register. The changes may be positive (from 0 to 1) or
negative (from 1 to 0). Send the command
STATus:QUEStionable:MODulation:NTRansition <num> (negative) or
STATus:QUEStionable:MODulation:PTRansition <num> (positive) where <num> is the
sum of the decimal values of the bits you want to enable.
The Data Questionable Modulation Event Register latches transition events from the
condition register as specified by the transition filters. Event registers are destructive
read-only. Reading data from an event register will clear the content of that register. To
query the event register, send the command
STATus:QUEStionable:MODulation[:EVENt]?
Figure 1-37.
The Data Questionable Modulation Status Group also contains a Data Questionable
Modulation Event Enable Register. This register lets you choose which bits in the Data
Questionable Modulation Event Register will set the summary bit (bit 7 of the Data
Questionable Condition Register) to 1. Send the
STATus:QUEStionable:MODulation:ENABle <num> command where <num> is the sum of
the decimal values of the bits you want to enable. For example, to enable bit 9 and bit 3 so
that whenever either of those bits is set to 1, the Data Questionable Modulation summary
bit of the Data Questionable Condition Register will be set to 1, send the command
STAT:QUES:MOD:ENAB 520 (512 + 8). The command
STATus:QUEStionable:MODulation:ENABle? returns the decimal value of the sum of the
bits previously enabled with the STATus:QUEStionable:MODulation:ENABle <num>
command.
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