Field device used in measuring and automation technology, comprising: a housing with a housing body, said housing body having at least a housing chamber with at least a housing wall , wherein the at least one housing wall surrounds the housing chamber ; a transducer designed to measure at least one measured variable; an operating electronics unit for operating the transducer and for providing a signal that is dependent on the measured variable, wherein the operating electronics unit is arranged in the housing chamber , and wherein the operating electronics unit is coupled electronically with the transducer ; a radio module for the transmission of information, said radio module being coupled electronically with the operating electronics unit, wherein said radio module is arranged in the housing chamber; wherein the field device further comprises at least one acceleration sensor , which is arranged in the housing chamber , and wherein an acceleration of the housing body can be measured by said acceleration sensor , and wherein the operating electronics unit is coupled electronically with the acceleration sensor and designed to interpret at least one sequence of accelerations as an input signal sequence to control the operating electronics unit , characterized in that the radio module can be switched on by a first input signal sequence and can be switched off by a second input signal sequence, wherein the field device further comprises: a display unit , wherein the display unit is embedded in the housing wall , said display unit being coupled electronically with the operating electronics unit and wherein said display unit displays a first set of parameters in a first mode, wherein the display unit can be commanded by the operating electronics unit to display at least a second parameter set via a third input signal sequence. a housing with a housing body, said housing body having at least a housing chamber with at least a housing wall , wherein the at least one housing wall surrounds the housing chamber ; a transducer designed to measure at least one measured variable; an operating electronics unit for operating the transducer and for providing a signal that is dependent on the measured variable, wherein the operating electronics unit is arranged in the housing chamber , and wherein the operating electronics unit is coupled electronically with the transducer ; a radio module for the transmission of information, said radio module being coupled electronically with the operating electronics unit, wherein said radio module is arranged in the housing chamber; wherein the field device further comprises at least one acceleration sensor , which is arranged in the housing chamber , and wherein an acceleration of the housing body can be measured by said acceleration sensor , and wherein the operating electronics unit is coupled electronically with the acceleration sensor and designed to interpret at least one sequence of accelerations as an input signal sequence to control the operating electronics unit , characterized in that the radio module can be switched on by a first input signal sequence and can be switched off by a second input signal sequence, wherein the field device further comprises: a display unit , wherein the display unit is embedded in the housing wall , said display unit being coupled electronically with the operating electronics unit and wherein said display unit displays a first set of parameters in a first mode, wherein the display unit can be commanded by the operating electronics unit to display at least a second parameter set via a third input signal sequence. <EOS>