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8
AP21 Programming Manual
Program DaYligHT SaVing TimE (DST)
— From the
main DiSPlaY
, press key
7
(
DST
) then
EnTEr
(
).
Enter the spring and fall Daylight Saving Time as iillustrated
at right:
Note:
The AP21 will default to the current U.S. standards:
S
(Spring),
m
=
03
(March), SUN =
2
(second Sunday)
F
(Spring),
m
=
11
(November), SUN =
1
(first Sunday)
To change the month, simply key in the new month and press
EnTEr
(
).
To change to another Sunday of the month, key in the Sunday of the
desired month by entering:
1
first Sunday
2
second Sunday
3
third Sunday
4
fourth Sunday
5
last Sunday
Then press
EnTEr
(
).
To
disable
DST, enter the Spring month as
0.
s D s T : M M
s U n
f D s T : M M
s U n
Note:
= ENTER
> To review or Change Daylight Saving Time
From the
Time Display mode
:
· Press
DST (#7)
and then press
EnTEr
(
)
SPring DST
will appear on the display
· Press
EnTEr
(
) if the MONTH displayed is correct, or key in the correct MONTH and press
EnTEr
(
),
the cursor will advance to the SUNDAY position
NOTE:
To bypass the DST feature, enter 00 and press
ENTER
(
)
· Press
EnTEr
(
) if the SUNDAY displayed is correct, or key in the correct SUNDAY and press
EnTEr
(
)
Fall DST
will appear on the display
· Press
EnTEr
(
) if the MONTH displayed is correct, or key in the correct MONTH and press
EnTEr
(
),
the cursor will advance to the SUNDAY position
· Press
EnTEr
(
) if the SUNDAY displayed is correct, or key in the correct SUNDAY and press
EnTEr
(
),
the display will return to the
Time Display mode