signal is generated by the transmitter the receiver unit is capable of immobilizing the machine or a designated section thereof operation of the machine may be resumed only after resetting at least one manual reset mechanism on the remote transmitter and or the receiving unit application_number US 46494403 A description the present invention provides a remotely controllable shutoff and alarm system for a stationary or movable machine a remotely controllable shutoff alarm system according to the invention includes a transmitter assembly and a receiver unit referring to fig1 2 a and 2 b a remotely controllable shutoff system according to a first embodiment of the invention is shown generally at 10 the system 10 generally includes a remote transmitter assembly 12 and a receiver unit 20 in fig1 the receiver unit 20 is shown installed in a movable machine 30 an earth mover is used as an example of a movable machine 30 but it will be understood that the system 10 hereof may be used with many different kinds of stationary or movable machines the system 10 is operable to generate an alarm and or to quickly interrupt operation of and to temporarily disable machinery 30 when installed thereon and when activated by a user specifically referring to fig1 and 2 a the remote transmitter assembly 12 in the first depicted embodiment is a hand held unit including a protective outer shell 11 a shutoff initiating push button 14 manual reset switch 16 a radio frequency rf signal generator 17 and an rf antenna 18 the transmitter assembly 12 may be powered by a battery 13 and may optionally include a visual display 19 for displaying system status run or stop the protective outer shell 11 is constructed of a strong lightweight material such as plastic metal or.