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Chapter 5 Command Reference
System Time
Operating and Programming Guide 5-81
Reading Leap Second Status ____________________
(continued)
This query identifies whether a leap second is pending, distinguishes between
leap seconds which extend the minute, and leap seconds which shorten the
minute. This query returns the duration of the minute corrected by the next
leap second. The duration units are seconds.
Response
Returns a value of 59, 60 or 61:
• A value of 59 indicates subtraction of 1 second is pending.
• A value of 60 indicates no leap second pending.
• A value of 61 indicates addition of 1 second is pending.
Context Dependencies
This query is not valid prior to the first lock following powerup (see bit 2 of the
Powerup Status Register) or :SYSTem:PRESet, or if no leap second is pending.
Sending this query before the first lock or if no leap second is pending will
generate error -230.
:PTIMe:LEAPsecond:DURation?
RESPONSE FORMAT
Returns the duration of the minute corrected by the next leap
second.
± dd