Command line, Xl-gps responds using the following format, Where: for example, enter – Symmetricom XL-GPS User Manual
Page 83: Xl-gps responds (example), Xl-gps responds, F90<cr, F90<s>irig-b<s><type><cr, F90 irig-b am<cr><lf, F90 irig-b dc<cr

997-01530-01, Rev. C-25, Jan 2008
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Although the factory configuration outputs UTC time in 24-hour format, the following can be used to
modify the code output of F90 for non-standard applications:
•
“F2 – 12/24 Hour Format” on page 35
selects between a 12 or 24-hour time format.
•
selects between the following timescales: Local, Standard, GPS,
UTC, and TAI.
Command Line
To display the current settings, enter:
F90<CR>
XL-GPS responds using the following format:
F90<S>IRIG-B<S><TYPE><CR>
where:
For example, enter:
F90<CR>
XL-GPS responds (example):
F90 IRIG-B AM<CR><LF>
To change the Code Output to DC enter:
F90 IRIG-B DC<CR>
To change the Code Output back to AM enter:
F90 IRIG-B DC<CR>
XL-GPS responds:
OK<CR><LF>
F
= ASCII character F.
90
= function
number.
<S>
= Space
IRIG-B
= ASCII string indicating that the time code output is IRIG-B
<TYPE>
= AM,
DC
<CR>
= carriage return character.
<LF>
= line feed character.