F. To Review Pulse Duration
Step
Key
Description
1
DUR
Duration is displayed for circuit 1.
2
E
Duration is displayed for circuit 2.
Repeat step 2 for remaining channels.
3
RUN
Exits review.
G. To Initiate Manual Override
NOTE: Program can be overridden temporarily or until the
next set point. If not toggled back out of override, override
will stay in effect until next set point. When circuit (channel) is
overridden, LED changes status.
Step
Key
Description
1
OVR
“cir” is displayed.
2
1, 2, 3 Override takes effect immediately.
or 4
Repeat steps 1 and 2 to return to initial state, if desired.
3
RUN
Exits review.
H. To Program Holiday
NOTES:
1. On programmed holidays, the special holiday schedule for
each of the four circuits applies.
2.For a single day holiday, program the end month/day the
same as the start month/day.
3.The E key is a forward advance key.
4.The EC74/50S has 16 holidays. Holidays may be one day
or a holiday interval may be up to 366 days. The start and
end dates need not be in the same calendar year. A multi-
ple day holiday counts as a single holiday.
Step
Key
Description
1
HOL
“H.01s” (holiday #1 start) is displayed.
2
#### Key in holiday start date (month/day).
3
E
Enters start date and “H.01E” (holiday #1 end) is
displayed.
4
#### Key in holiday end date.
5
E
Enters end date and “H.02s” is displayed.
Repeat steps 2-5 for additional holiday durations.
6
RUN Exits holiday mode.
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