b.
Include a means to manually clear and reset the display. If the
display is not reset at the time additional alarms are received,
the additional alarms shall be retained in memory and a
distinctive audible or visual indication given to the operator
that additional alarms are waiting to be acknowledged.
(1) A minimum of 16 such alarms shall be retained for display and
acknowledgement.
(2)
Alarms shall be printed immediately upon receipt.
2.1.2
Memory
Provide each console with a [programmable] memory capable of retaining at
least [_____] [500] transmitter codes, together with specific messages,
total number of zones possible, and related information associated with
each of the [_____] [500] transmitters. If memory is
operator-programmable, restrict access into the memory for the purpose of
making additions or deletions by the use of a key switch or access code to
prevent unauthorized changes. Memory shall not be lost in the event of a
total loss of primary and emergency power supplies.
2.1.3
Digital Clock
Each console shall incorporate an electronic digital clock. Clock shall
display the current time expressed in 24-hour time and date (day and month)
and shall transmit to each interconnected printer the time and date that
signals are received. Provide manual means of resetting the clock.
2.1.4
Provide printers of high speed, computer compatible, low noise design,
capable of printing incoming messages with no messages being lost. Upon
reception of an alarm, each printer shall print on paper the required
visually displayed data, including the date and time received. Provide
standard size paper for recording messages, commercially available from
three or more manufacturers, usable on a computer printer or adding
machine, and continuous feed. Include paper take-up devices for storing
printouts. Print alarms in a manner to make them readily distinguishable
from acknowledgements and routine messages, by use of a different color,
typeface, type size, or other distinguishable means.
2.1.5
Audible Trouble and Alarm Devices
The audible alarm device used to indicate the receipt of alarms shall
produce a sound distinct from other audible trouble signals. The device
shall be internally mounted in the console, and activated upon receipt of
an alarm. The audible sounds used to indicate trouble messages, shall be
separate and distinct from the sound used to denote receipt of alarm
messages.
2.1.6
Provide 120-volt, 60 Hz ac primary power for each console. Supply
emergency backup power by batteries capable of powering the system for a
minimum of 24 hours. Obtain the 120-volt, 60 Hz ac power supply for each
console [through a single connection into the line side of the building's
regular ac service circuit] [from the building emergency service circuit as
SECTION 13851N
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