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Chapter 6: Maintenance
724-746-5500 | blackbox.com 6-7
6-7. Colon Status.
6.6.3. Time Synchronization Validation
At a pre-determined time of the day and day of the week (see How to Setup Time
Synchronization Schedules), the Auto-Sync Time Clock can be set to confirm or
validate that a time/date synchronization signal has been received. This is called
time synchronization or “Signal Validation".
The factory default time validation is set for 00:00 or (12:00 AM midnight), Sunday
through Saturday. Time Signal Validation sync schedules 2 thru 8 are set via the
web interface. Each schedule template can be set to run a minimum of every 120
minutes, with a maximum of once every 1439 minutes (see Figure 4-21).
These schedules can be used to alert the user that a date/time synchronization
signal has not been received. If a successful time validation does not occur within a
24 hour period, the Auto-Sync Time Clock will flash six day indicators (cursors),
while the day indicator associated with the current day of the week will not flash
(see Figure 6-8).
Figure 6-8. Failed Time Synchronization Display.
In addition to the flashing day indicators, during the print cycle, the clock will print
a block (█) instead of an “s” at the end of a print line to indicate that this failed
time sync condition has occurred (see the following example).
Print Example = 2008/07/08 18:30 15█
Seconds must be selected to be printed for this error message to be seen.
6.6.4. Error Messages
In the event of an error, a message will appear in the display. The possible error
messages are listed in the following Table along with their probable causes and
solutions.