Format: Once a Format Group has been selected, one or more Format fields may
appear, allowing you to select one or more time code Formats. For more inform-
ation on time code formats, see "Time Code Data Formats" on page519.
The choice of format group determines t he format choices available in the
Format 1, Format 2 and Format 3 fields.
Format 1: Selects either the first of up to three, or the only format mes-
sage to be output. See "Time Code Data Formats" on page519 for a
description of available formats.
Format 2: Selects the second consecutive format message to be out-
putted. Select “None” if only one output format is desired. See "Time
Code Data Formats" on page519 for a description of available formats.
Format 3: Selects the third consecutive format message to be out-
putted. Select “None” if only one output format is desired. See "Time
Code Data Formats" on page519 for a description of available formats.
Signature Control: Used to control when the IRIG modulation will be present. This
function allows the modulation to stop under certain conditions;see also "Signature
Control" on page161.
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
condition (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 configured request character has been received.
Request (Immediate): A format message is generated as soon as the
request character 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 information (such as Formats 0 and 1 whereas Format 2
provides sub-second information), 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.
Timescale: Used to select the time base for the incoming ASCII time code data. The
entered Timescale is used by the system to convert the time in the incoming ASCII
data stream to UTC time for use by the System Time. The available choices are:
SecureSync 2400 User Manual 501
APPENDIX
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