Cancelling Alarm:
Press ‘ALARM’ briefly to cancel alarm and enter snooze mode, or a longer
press until the clock bleeps, to cancel snooze. Alarm remains set for the
next day.
Rapid DST Adjustment
Press ‘DST’ briefly to toggle between DST and standard time. The
indicator shows whether DST mode is active or not. If time has been
synchronised from DCF or MSF sources, this light will be set or cleared
automatically. It can still be manually overridden, however the system
will re-set the DST status again at the next valid time sync.
Note, that GPS time data does not contain DST information, so the DST
status will need to be set manually in GPS sync mode as well as manual
time-set mode.
Calibration of Timekeeping Accuracy
Over time you may observe the clock runs faster or slower than an
accurate time standard. You can finely adjust the timekeeping by setting
configuration parameters 20 and 21. We recommend to precisely set the
clock against a known accurate clock, and then record the time drift in
seconds after 5 full days (120 hours). Program this value into parameter
20.
Set parameter 21 to 0 to slow down the clock and to 1 to speed up the
clock.
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