Patent ID: 9560112
Date: 2017-01-31
CPC Classifications: G06F,H04L

Claim:
1. A method to operate field devices using an operating device with a touch-sensitive input and/or display area, comprising the steps of: displaying, for the purpose of operation, a main menu level, which is dependent on the field device with multiple segments and at least a first segmentation level, which is assigned to a specific segment; using: a zoom function to increase or reduce the size of a selected segment of the main menu level; and change the transparency of the main menu level and the transparency of the first segmentation level in such a way that the transparency of the main menu level increases and the transparency of the first segmentation level decreases when the user zooms in such that the first segmentation level becomes visible, wherein: the transparency of the main menu level decreases and the transparency of the first segmentation level increases when the user zooms out such that the main menu level becomes visible such that switching takes place between the main menu level and the first segmentation level assigned to the desired segment.