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Ping Via Device
Allows the network clock to ping an IP/DNS address such as that of the NTP server. This is useful in
situations where the communication link/path from the network clock to the NTP server is in question.
[Note: this feature is not available under WinDiscovery]
Set Time
Allows UTC time and date to be set directly into the clock. This is useful in situation where NTP server
synchronization is not available but reasonably correct time/date is desired on the display. When the
ND has access to NTP servers, information obtained via NTP will automatically overwrite any manually
established time/date. Therefore, practical use of this feature requires the clock to be removed from the
network, or for NTP server configuration to be left undefined.
Set Time Zone Bias
The Time Zone Bias indicates the offset from UTC. Enter the time in HH:MM:SS format as indicated,
including the plus or minus sign to indicate positive or negative bias. Remember that this field can also
be set from DHCP, so check with your Network Administrator if you are getting inexplicable results.
Set Daylight Saving Time Parameters
The DST configuration allows you to completely configure the DST (summer hour) settings for your
location. To configure the DST, enter Y to 'Perform Daylights Savings Time Adjustments'. For sites
requiring US/Canada standard DST, you can indicate yes to the next question and the DST will be
configured for you automatically. The new US/Canada standard adopted in the spring of 2007 is: 1
(one) hour positive bias, starting at 2:00am on the second Sunday in March, and ending at 2:00am on the
first Sunday in November. If you select the US/Canada standard, the configuration is complete. If you
indicate 'no' for the US/Canada, then you continue to configure the DST by entering the number of each
option and completing the entries (masks are provided for required format of data):
• DST and standard time bias hour, with sign (DST normal bias is –01:00:00 hour, and standard time
bias is normally +00:00:00)
• DST start point – can be set as absolute date, i.e. 03/11, or floating day, by entering Month such as 3
for March, Day of week such as Sunday, and week in Month, 1
• DST end point –can be set as absolute date or floating day
Set Digital Display Intensity
The digital clock display intensity is controlled with a scale of 1 to 14 with 14 being brightest. Enter the
value for the desired intensity setting.
Set Digital Display Type
Allows configuration for time display (12 and 24 hour) for 4 and 6 digit clocks, or date display
(MM/DD/YY or DD/MM/YY) for 6 digit clocks.
Set Digital Display Options
The digital clock display special options may be adjusted. This includes displaying dashes when an
NTP timeserver is not present along with a delay function to display the dashes.
ND Clocks User Manual - Rev 2.0.1 Sep-08
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Symmetricom
, Inc.
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