BATTLE SHORT MODE OF OPERATION

BATTLE SHORT MODE OF OPERATION The battle short mode is used when it becomes necessary to run the computer continuously even though an overtemperature condition exists. The activation of a battle short switch will bypass overtemperature protection interlocks and power will be maintained to the computer for continued operation. An overtemperature condition is a result of a failed assembly or inadequate cooling. The requirement to run the computer continuously in an overtemperature condition usually only exists under battle conditions. Some computers are also equipped with a horn to warn an overtemperature condition exists. OPERATIONAL CAPABILITIES AND LIMITATIONS It is important to know the capabilities and limitations of the hardware and software of any system you maintain. It is equally important to know whether the system can operate at reduced capability and still accomplish its mission. Some systems are designed with more than one computer (CPU), sufficient memory, and enough peripheral devices to enable them to function even when some devices are down. The operational capabilities and limitations of a computer system can be controlled at the equipment through switchboards or control panels, or through commands to the software using an I/O device to talk to the computer. Figure 1-11 is an illustration of a digital fire control switchboard used on a CDS/NTDS to interconnect the computer to equipments and other major systems. To find out the capabilities and limitations of a computer system, refer to your system operating manuals (SOMs) or combat systems technical operations manuals (CSTOMs) for details. CDS/NTDS is an example of a system that uses a three-bay/one-bay computer configuration. This means it has four CPUs and can still meet its mission even if one of the CPUs is down. The term reduced capabilities means the computer system can perform its mission with fewer resources. Resources may be unavailable as a result of a casualty to a computer. If the memory of the computers allows it, you can take one of the computers offline to perform training. You can reduce the operational capability through the software using an I/O device to take the computer offline. This can be accomplished using operating system functions (commands). An example would be Figure 1-11.—A digital fire control switchboard used on a CDS/NTDS. 1-13