56 XLi Time & Frequency System
XLi-man, Issue 8, 6/17/2008, Rev. H
SSSSSSSSSSSS SSSSSSSSSS SSSSSSS S SSS S SSSSS S
1
where:
For example, to display the Keypad Lock status, send:
F6<CR>
XLi responds:
F6 DISABLE<CR><LF>
To enable Keypad Lock, send the following string:
F6 ENABLE<CR>
XLi responds:
OK<CR><LF>
To disable Keypad Lock, send the following string:
F6 DISABLE<CR>
XLi responds:
OK<CR><LF>
F8 - Continuous Time Once-per-Second
This function is available through the command line interface only - it is not available through the keypad.
F8 generates time-of-year information (e.g., 199:10:41:08) once-per-second over the XLi's command
line interface (available from the serial or network ports). The format and type of time can be modified
using F2, F11, and F69.
The command line (standard out) outputs the <CR> character at the end of the time-of-year string at the
1 PPS mark, +/- 1 millisecond.
If F8 is used following startup, while the XLi is acquiring a reference source, F8's displays time-of-year
information from the XLi's unsynchronized system clock. When the system clock acquires a reference
source and synchronizes with it, F8 displays the new time-of-year information. The transition looks like
this:
F = ASCII character F
6 = function number
<S> = ASCII space character (one or more)
<STATE> = ENABLE or DISABLE
<CR> = carriage return character
<LF> = line feed character
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