EPSILON CLOCK MODEL EC20S Spectracom
User’s Manual 64
13.7.1 USER-DEFINED DATATION
57. DATE, TIME AND DATATION SUBMISSION BUTTON
Time can be set by the user when the EC20S is in ‘Forced Holdover’ mode or when the
EC20S has not been synchronized yet to a datation source (GNSS source, External NMEA
datation source).
58. DATATION ADJUSTMENT
Adjust the time by 1 second when the EC20S is in ‘Forced Holdover’ mode or when the
EC20S has not been synchronized yet to a datation source (GNSS source, External NMEA
datation source). Helpful to adjust the time manually set by the user.
13.7.2 DATATION SETUP
59. FORMAT OF THE DISPLAYED DATATION
Format of the displayed Time of Day messages:
- DD/MM/AAAA day / month / year
- MM/DD/AAAA month / day / year
- DD/AAAA day of the year / year
60. TIMESCALE OF THE DISTRIBUTED TOD
Timescales applied to the distributed Time of Day messages (i.e. for ToD displayed on the
web pages 13.2 and ToD delivered on the ‘NMEA’ output by the NMEA 0183 v3.01 GPRMC
messages 12.3):
- UTC UTC timescale (either UTC-USNO from GPS constellation or UTC-
SU from GLONASS constellation).
- Local Local Time = UTC timescale + programmed local time shift.
- GPS GPS timescale.
- GLONASS GLONASS timescale (Russia) = Moscow local time = UTC
timescale + 3 hours
- GALILEO GALILEO timescale (of the European positioning system).