Abstract: Systems and methods are provided for preventing false alarms during alarm sensitivity threshold changes in fire alarm systems. Some methods can include determining a current state of a connected system, determining a current alarm sensitivity threshold of the connected system, determining a future alarm sensitivity threshold of the connected system, and identifying a future false alarm when the current state would trigger an actual alarm under the future alarm sensitivity threshold but fails to trigger the actual alarm under the current alarm sensitivity threshold. Responsive to identifying the future false alarm, some methods can include executing a first action to prevent the future false alarm from occurring.

Abstract: A system is provided that includes a control panel of a security system that protects a secured geographic area, wherein a controller enters a set-up mode in response to detecting entry of a code by an authorized user through a user interface and opening of an access door and wirelessly pairs a portable device carried by the authorized user with the control panel and registers the portable device with the controller while in the set-up mode, wherein, when operating in a normal operating mode, the controller detects the portable device and automatically forms a wireless control connection between the portable device and the control panel, and wherein the controller enters a log-on mode during set-up in response to connecting to the portable device and allows the authorized user to unlock the access door and enter a password at the controller, thereby enabling service and control from the portable device.

Abstract: A system providing a control panel of a security system that protects a secured geographic area, the controller entering a set-up mode in response to detecting entry of a code by an authorized user through the user interface and opening an access door, wirelessly pairing a portable device carried by the user with the control panel and registering the portable device with the controller while in the set-up mode, operating in the normal operating mode detecting the registered portable device and automatically forming a wireless control connection between the proximate portable device and the control panel, wherein the controller enters a log-on mode during set-up in response to connecting to the wireless device and allows the authorized user to unlock the access door and enter a password at the controller enabling service and control from the wireless device.

Abstract: Precise orientation of an x-ray apparatus in which the x-ray tube and film cassette are mounted on opposite ends of a C-shaped arm is facilitated by a chair for the patient which is precisely movable along X and Y axes with the digital readout of adjusted positions. The angular rotation of the chair on its vertical support also has a digital readout. All of the readouts may be adjusted to zero at basic positions to facilitate adjustment. The angle of the C-arm is displayed by an inclinometer which also may be adjusted to zero at a basic position. The chair has an adjustable cradle for the head and the entire chair may be tilted to an acute angle to support unconscious or disabled patients without interfering supports. Orientation of the C-arm is also facilitated by a light source removably mounted over the film cassette, which designates the exit point of the x-ray on the patient.