1460/61 INSTRUCTION MANUAL
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DESCRIPTION
I.) General Description of Unit:
The 1460/1461 Master Time Programmer is a microprocessor based time management unit. It
provides synchronized control of most analog and digital secondary clock systems via its clock
circuits.
The 1460/1461 contains six programmable signal circuits. Each signal circuit provides automatic
and manual control of signaling or utility devices. To increase the number of signal circuits to ten
or fourteen, simply add one (1) or two (2) Four Bell/Auxiliary Circuit Adder Option(s).
A sixteen key, multiple-function keypad allows the user to program the 1460/1461. It is also how
the user performs manual clock advance, manual operation of the signal circuits, and all call. The
abbreviated names for the keys provide a helpful reference for programming the 1460/1461.
A 16 character by 2 line LCD allows the user to monitor the 1460/1461’s status and response to
programming. Included is a backlight that either remains on continuously, or turns off after a short
time, depending on the user’s requirements.
Password security protects the system from unauthorized operation. Three levels of password
security allow selective access to the 1460/1461’s features. The ability to enable or disable
password security to some basic features, such as all call, provides even more flexibility.
The 1460/1461’s time keeping synchronizes to either AC line frequency or a quartz controlled time
base. The time of day and date, as well as unit programming, are stored in a non-volatile memory
(NVRAM). The NVRAM saves this information in the event of a power failure.
II.) Program Features:
A.) NON-VOLATILE MEMORY (NVRAM) - The NVRAM stores all time, date, and programming
information. The NVRAM has an internal lithium battery. This prevents time keeping and data
from being lost during AC power failures for up to ten years. The internal lithium battery
requires no battery charging.
B.) DAYLIGHT SAVINGS TIME - The 1460/1461 automatically changes the time of day for itself
and the secondary clocks during a change to or from Daylight Savings Time. This feature can
be “disabled” during programming if not required.
C.) LEAP YEAR - Event and calendar changes for leap year are done automatically.
D.) ALTERNATE SCHEDULE - Any one of the available 256 schedules can be implemented on a
per day basis for holidays, exam days, pep rallies, etc. The 1460/1461 will automatically return
to the main schedule the next day.
E.) ALTERNATE DATES - Up to 65 dates can be programmed into the 1460/1461 in advance to
automatically run alternate schedules for holidays, exam days, pep rallies, etc.The 1460/1461
will automatically return to the main schedule the next day.
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