Patent ID: 8659385

Claim:
A diagnostic tool for an agricultural field irrigation system, the irrigation system having a control panel including at least push buttons for controlling the operation of the system, said diagnostic tool comprising: a wireless transmitter, said wireless transmitter being configured to selectively encode and transmit an encoded signal; a wireless receiver configured to receive said encoded signal, decode said signal and provide an output signal; and a solenoid and a ferromagnetic plunger operatively connected to said wireless receiver and being configured to be removably secured to the control panel using one or more magnets, wherein said wireless receiver provides said output signal to said solenoid and said ferromagnetic plunger upon receipt of said encoded signal, and wherein said solenoid is configured to cause said ferromagnetic plunger to activate the irrigation system by physically pushing at least one of the push buttons in response to said output signal, said ferromagnetic plunger having a predetermined throw distance.