MC22LV SERIES
– MASTER CLOCKS
REV 3/17/15
APPLIED TECHNICAL SYSTEMS
PAGE 8
It may be showing the correct time, some other time, or all “0’s”.
From this point forward you can exit the Auto Prompt sequence at any time, if desired, by pressing
[EXIT]. However, the programming is simplified by staying in the Auto Prompt mode. On a restart
all program memory is cleared in the master clock. The cursor
will be flashing in the hour’s digits.
The bottom line is a prompt to enter 2 digits (HH) for hours. Enter the hours then press the
[ENTER] key. Two digits are required for the hours. Example: 01 instead of 1. The cursor will
remain flashing in the hour
’s digits if an invalid number is entered for the hours. Enter the correct
hours. Once a valid number is entered for the hours, the cursor will advance to the minute’s
digits. Again, the bottom line is a prompt for entering the minutes. Type two digits for the minutes
and press [ENTER]. The cursor will advance to the AM position. Press the AM or PM key then
press [ENTER]. Time keeping begins the instant you press [ENTER]. Time can be accurately
set to the second by pressing the [ENTER] key at the desired instant.
4.4 ENTERING THE DATE
The next step in the AUTO-PROMPT sequence is entering the date. The display will show:
It may be showing the correct date, some other date, or all “0’s”.
The cursor will be flashing in the month's position. The bottom line will give you additional
information on how to enter the data. Type the two digit number for the month and press
[ENTER]. If the correct two digits are already there, simply press [ENTER]. The cursor will move
to the day position. Type the two digits for the day and press [ENTER]. The cursor will move to
the year position. Type the two digits for the year and press [ENTER].
4.5 ENTERING THE DAY
Next, we enter the day of the week. The display will show:
It may be showing the correct day or some other day stored previously. Press the DAY key [4]
until the desired day is shown on the display and then press [ENTER].
4.6 DAYLIGHT SAVINGS TIME
The default entries for daylight savings time according to current U.S. law will display as follows:
The master clock is pre-loaded with the current daylight savings time settings according to
U.S. law. Unless the law changes or you live in an area that does not follow standard U.S.
daylight savings time there is no need to change anything on the DST screen.
The top line
Date? 12-29-15
Month (MM), ENTER
Day? Sun
DAY key, ENTER
S DST M=03 SUN=2
F DST M=11 SUN=1
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