The invention relates to a hand-held programmer for programming treatment appliances which are used for correcting the hearing. Said programmer comprises connecting means for the connection to the treatment appliance, an electronic circuit for programming the sound parameters of the treatment appliance and input means for influencing the circuit. The device is embodied as a hand-held device. According to the invention, the hand-held programmer is provided with connecting means connected to a telephone network or is provided with a built-in telephone. The programmer also comprises a circuit which influences the switching according to the control signals that are received by means of the telephone in order to programme the treatment appliance. The hand-held programmer can be switched between two different operational modes. At least one programmable parameter of the treatment appliance can be influenced by the first operational mode being a patient mode. The remaining parameters can be influenced by the second operational mode.
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