This user interface element utilizes an instance of the N_TBL type to select an output from a comma-separated list of string values ( VALUES ). The output is selected from the list position corresponding to the position of a string selected from a comma-separated list of string values ( KEYS ) by an instance of the IN_CHOICE type.

See the MONITOR device configuration of the CODEC_TEST system configuration for an example of the use of an instance of this FB type.