TrueTime 151-602 - 3-218 SERIAL FUNCTION F18 - SOFTWARE VERSION REQUEST; 3-226 SERIAL FUNCTION F26 - PROGRAMMABLE PULSE OUTPUT (OPTION)

X
X
L
L
D
D
C
C
M
M
A
A
N
N
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.
d
d
o
o
c
c
3
3
-
-
5
5
0
0
R
R
E
E
V
V
E
E
<DAY> = length in seconds of the once per day pulse
<LT> = line terminator, either a carriage return and line feed for output strings or
a carriage return only for input strings
Sample request: F17<CR>
Response: F17 02 04 06<CR><LF>
To set pulse lengths of the slow code output, send a character string with the following format:
Sample entry: F17 1 2 3<CR>
Response: OK<CR><LF>
This will set the once per minute pulse to 1 second width, the once per hour pulse to 2 seconds, and
the once per day pulse to 3 seconds.
When shipped, the unit is set to have pulse widths of 2, 4, and 6 seconds for the minute, hour, and day
pulses respectively. The widths will be retained when the unit is not powered.
3-218 SERIAL FUNCTION F18 - SOFTWARE VERSION REQUEST
Use Serial Function F18 to obtain information about the current version of the software installed in the
unit. Send the string:
F18<CR>
and the XL-DC Serial Port will respond with a string no longer that 80 characters.
example: TRUETIME Mk III sys ver 020 GPS-XL v1.036 182-6007v015<CR><LF>
This string indicates that the system software is version 20, the GPS-XL version is 1.036 and the
XL-DC specific software part number is 182-6007 version 015.
3-219 through 3-225 reserved
3-226 SERIAL FUNCTION F26 - PROGRAMMABLE PULSE OUTPUT (OPTION)
Use Serial Function F26 to enter or request the parameters for the Programmable Pulse Output, with
resolution down to one millisecond. Refer to manual section 1-36 for specifications on the
Programmable Pulse Output.
To set the Programmable Pulse Output parameters, send a string to the Serial Port in this format:
F26<SEP><START TIME><SEP><STOP TIME><CR><LF>
where:
F = ASCII character F
26 = function number