Safran SecureSync 2400 User Manual page 480

APPENDIX
The configurable settings are grouped under the following three tabs:
General Settings tab
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Use of Time Fault Discrete: There are two options:
Enabled: The TFD input signal is used to validate the STANAG input.
Disabled (default): The TFD input signal is ignored.
Use of Bit Synchronization
Enabled: The second STANAG input (TOD 2) is used to receive the
BS (Bit Stream) signal used with STANAG 4430-STM. When BS is act-
ive, the configuration of TOD2 is superseded and only used for BS.
Disabled: The second STANAG input (TOD 2) can be used to receive
an independent TOD.
Timescale: Used to select the time base for the incoming time code data.
The entered Timescale is used by the system to convert the time in the
incoming data stream to UTC time for use by the System Time. The avail-
able choices are:
UTC: Coordinated Universal Time ("temps universel coordonné"), also
referred to as ZULU time
TAI: Temps Atomique International
GPS: The raw GPS time as transmitted by the GNSS satellites (as of
22-August-2023, this is 18 seconds ahead of UTC time).
(BS): There are two options:
SecureSync 2400 User Manual