TYMSERVE 2000
Auto Year Inc Mode: For all timing sources except GPS the 'auto year increment mode' can be
enabled so that the TYMSERVE will automatically increment the year when the day transitions
from 365 (366 for leap years) to 1. You can also cause the TYMSERVE to automatically save
the new year in the EEPROM with this parameter. If you are running test times and not UTC
time, you may not want to save the new year information, especially if it changes often.
NOTE: Automatic year incrementing will take place only if the TYMSERVE is in the
main display (i.e. displaying local time) when the year transitions.
Timing Source UTC Offset: For all timing sources except GPS, this parameter indicates the
offset from UTC (in hours) of the timing source. This parameter is specified as hours EAST of
UTC (e.g. Pacific Standard Time PST is -8 hours) This parameter is very important because
NTP timestamps are always relative to 0 hours on 1 Jan 1900 no matter what time zone you are
in.
Time Code Source Observes DST: Enable this parameter if you use a time code source that
observes DST. Because standard time code signals do not indicate the DST condition, it is not
possible for the TYMSERVE to convert the time code time to UTC during the 2 hour period
between 01:00:00 and 02:00:00 (this hour occurs twice) on the last Sunday in October (the DST
"fall-back" day). The TYMSERVE therefore stops responding to NTP time requests during this
2 hour period.
Propagation Delay: This parameter is used to compensate for long cable delays between the
timing source and the TYMSERVE, and is normally used for time code sources only. This
parameter can usually be left at 0. Positive values compensate for long cable delays.
Time Code Generator Offset: The TYMSERVE generates an IRIG B time code signal
synchronized to the timing source. Use this parameter to add an offset to the time code generator
output. This is useful when it is necessary to generate an IRIG B time code signal that carries
local time instead of UTC.
Generator Observes DST: This parameter is used in conjunction with the 'Time Code Generator
Offset' parameter to cause the generated IRIG B time code signal to compensate for DST.
4.9 FEATURE PARAMETER DESCRIPTION (-GPS, -IRIG)
This section describes the FEATURE parameters for the -GPS and -IRIG versions.
Set time manually: This feature allows you to set the time manually for the Internal Clock and
External 1 PPS timing sources only.
Local Time UTC Offset: This feature allows you to set the UTC time offset for your local time
and does not affect the NTP timestamps, it only affects the display of time on the LCD display.
This parameter is specified as hours EAST of UTC (e.g. Pacific Standard Time PST is -8 hours.)
Daylight Saving Time: This feature works in conjunction with the Local Time UTC Offset to
Datum Inc, Bancomm Div. TYMSERVE 2000 Manual
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