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8. Command and Response Structure8. Command and Response Structure8. Command and Response Structure8. Command and Response Structure8. Command and Response Structure
8.6.2 PEAK/VALLEY (HI/LO) STATUS CHARACTERS
Table 8.5 gives the characters transmitted to show changes in Peak/Valley readings.
The meter keeps track of Peak and Valley changes at the completion of each
measurement, so that the occurrence of new values can be signaled. However,
transmissions of PEAK/VALLEY status may be commanded less often: therefore, the
meter also monitors if Peak or Valley values have changed since the last status
transmission.
TABLE 8.5 PEAK/VALLEY STATUS CHARACTERS
PEAK LARGER VALLEY LESS PEAK LARGER VALLEY LESS
THAN LATEST THAN LATEST THAN LATEST THAN LATEST
CHARACTER TRANSMISSION TRANSMISSION READING READING
@NO NO NO NO
D NO YES NO NO
E NO YES NO YES
H YES NO NO NO
J YES NO YES NO
L YES YES NO NO
M YES YES NO YES
N YES YES YES NO
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