Setting Pr.79 (Operation mode) to "6" sets the switchover mode. Pressing the "PU/EXT" key on the operation panel during External operation switches the mode to the PU operation mode and enables the PU operation.
(The start signal (forward/reverse) and frequency setting of the External operation are inherited.)
The operation mode can be switched from PU operation mode to External operation as well.
(The start signal and frequency setting of the PU operation are not inherited.)