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997-01530-01, Rev. C-25, Jan 2008 53
2
5
1
SSSSSSSSSSSS SSSS SSSSSS SSSSSSS S SSS SSSSSSS
The XL-GPS responds using the following format:
F51<S><+><DELAY>ns<CR><LF>
where:
For example, to see the antenna cable delay, enter:
F51<CR>
XL-GPS responds:
F51 +000060ns<CR><LF>
To set the antenna cable delay, use the following format:
F51<S><DELAY>NS<CR>
For example, to set the antenna cable delay to 100 nS, enter:
F51 100NS<CR>
XL-GPS responds:
OK<CR><LF>
F52 – Distribution Cable Delay
Use function F52 to display or set the distribution cable delay for the standard CODE (time code) and
1 PPS outputs. F52 compensates for the signal’s travel time from the XL-GPS to its point of use. The
distribution cable delay applies uniformly to all output ports. The as-shipped factory setting is +0 ns. The
range of possible values is +999,999 ns to –999,999 ns. Positive values advance the timing signals,
while negative values retard them.
F = ASCII character F (f or F for input string).
51 = the function number.
<S> = ASCII space character one or more.
<CR> = carriage return character.
<SEP> = one or more space characters.
<DELAY> = 1 to 6 digit delay from 0 nS to 999999 nS.
ns = nanoseconds (ns or NS for input string).
<LF> = line feed character.
Note: Only positive delays are valid.