When using GP-4100 series or GP-4*01TM, there is a limit for some of the features. 1.5.6.2 GP-4100 Series 1.5.7.2 GP-4*01TM
10.17.1 Restrictions for Switches
10.17.2 Restrictions on the Delay Feature
10.17.3 Restrictions on the Multifunction Feature
10.17.4 Group Function Limitations
10.17.5 Restrictions for Selector List Parts