Format Group – configures the message format type. Choices are:
None (no message will be output)
Spectracom
NMEA
BBC
ICD-153
EndRun
Once selected, the Format Group may offer a choice of Formats. For more information on
supported Formats, see "Time Code Data Formats" on page518.
Format 1: Selects either the first of up to three, or the only format message to be
output.
Format 2: Selects the second consecutive format message to be outputted. Select
“None” if only one output format is desired. “None” will be the only choice avail-
able if Format 1 is “None.”
Format 3: Selects the third consecutive format message to be outputted. Select
“None” if only one output format is desired. “None” will be the only choice avail-
able if Format 2 is “None.”
Signature Control: Signature Control controls when the selected ASCII data output format
will be present;see "Signature Control" on page141.
Output Mode: This field determines when the output data will be provided. The available
Mode selections are as follows:
Broadcast: The format messages are automatically sent out on authorized con-
dition (Signature control), every second a message is generated in sync with the
1PPS.
Request (On-time): A format message is generated in sync with 1PPS after the con-
figured request character has been received.
Request (Immediate): A format message is generated as soon as the request char-
acter is received. As this selection does not correlate the output data to the on-time
point for the message, in Data Formats that do not provide sub-second inform-
ation (such as Formats 0 and 1 whereas Format 2 provides sub-second inform-
ation), it should be noted that the output data can be provided immediately, but a
time error could occur when using the on-time point of the message in addition to
the data for timing applications.
464 SecureSync User Reference Guide
APPENDIX
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