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52 XLi IEEE 1588 Clock
997-01510-03, Rev. C, 12/12/2006
SSSSSSSSSSSS SSSSSSSSSS SSSSSSS S SSS S SSSSS S
1
F11 DDDDHHHMMMSSSmmmQ
With the new formatting, F8 displays:
128D16H41M27*
And F9 displays:
365D16H45M22S680*
F13 – Time Error
Use function F13 to request the estimated worst-case time error due to oscillator drift during periods of
unlock from a reference source. See “System Time & Frequency Accuracy” on page 10 for more
information on time error for different reference sources. Time error begins to accumulate when the
receiver loses lock to a reference source. The XLi calculates the worst-case time error based on the
stability of system clock’s oscillator type, and the time elapsed since loss of lock.
Command Line
The Command line interface will report time error when it receives the following string:
F13<CR>
The XLi responds:
F13<S><ERROR><CR><LF>
where:
For example, to display the time error, enter:
F13<CR>
XLi responds (example):
F13 TIME ERROR -0.002932863<CR><LF>
F13
= ASCII string for function F13
<S> = ASCII space character
<ERROR> = calculated worst-case error in seconds
<CR> = carriage return character
<LF> = line feed