C&K systems Sierra S5030 Technical Manual page 38

Calendar and Clock (continued)
To convert from 24-hour time
to 12-hour time, subtract 12
hours from all times greater
than 12:00; these are p.m.
times.
5
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5. The Zone 4 LED lights. En-
ter the hour of the day, using
two numbers. Be sure to use
a 24-hour format (see the
note. When done, press the
key.
6. The zone 5 LED lights. En-
ter the minutes past the hour,
using two numbers. When
done, press the
The system returns to its nor-
mal mode.
key.