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<br />dd) LEDs used in all LED displays provided for this contract shall <br />be from the same manufacturer and the same part number <br />ee) LED halflife shall be a minimum of 100,000 hours <br />(5) Regulated DC Power Supplies <br />(a) The LED modules shall be powered with regulated switching DC <br />power supplies. Power supplies shall protect the LED pixel, LED <br />display, and driver circuitry in the event of power spikes or surges <br />(b) Regulated DC power supplies shall conform to the following <br />specifications: <br />aa) Operating input voltage range: +85 to +264 V AC <br />bb) Power supply efficiency: 74% minimum <br />cc) Power factor rating: 0.95 typical <br />dd) Over current protection: 105% <br />ee) Over voltage protection: 115 - 140% <br />ft) UL listed <br />(6) Internal Wiring <br />(a) Wiring for LED display modules and other internal components shall <br />be installed in the housing in a neat and professional manner <br />(b) Wiring shall not impede the removal of display modules, power <br />supplies, or other display components <br />(c) Wires shall not make contact with or be bent around sharp metal <br />edges <br />(d) LED display module power and signal wiring shall be cut to a length, <br />and labeled <br />(e) All wiring shall conform to National Electric Code <br />(f) The LED display shall be UL and ULC listed, and FCC Class A <br />compliant <br />(7) Transient Protection <br />(a) The display shall be protected from electrical spikes and transients <br /> <br />8. Football/Soccer Message Display Control Software Requirements <br />a) Control software for the displays shall be windows based. It shall provide <br />simple, user-friendly features for creating, editing, scheduling, running and <br />deleting messages <br />b) Software shall include profanity protection <br />c) The software must have the ability to schedule up to 100 messages <br />d) Each frame shall have the ability to contain a minimum of 50 frames <br />e) Hold times for each frame must be variable in 0.03 second increments with a <br />minimum of 0 seconds and a minimum of 1 hour <br />f) Each message shall be stored in a single file <br />g) Messages shall run in a looping queue <br />h) Messages may be retrieved from the display for editing <br />i) For message creation, the display shall support the storage and use of a <br />minimum of five (5) English alphanumeric character fonts <br />j) Foreign language characters shall also be included in the available font set. <br />k) The software shall have the ability to copy and paste text from most windows <br />applications <br />I) All communications between the display control software and display(s) shall be <br />accomplished using a protocol meeting the following specifications: <br /> <br />13 <br />