Mitsubishi Electric FR-E720-600 Instruction Manual page 263

(2) Disable the setting dial and key operation of the operation panel (Press [MODE] long (2s))
Operation using the setting dial and key of the operation panel can be made invalid to prevent parameter change and
unexpected start and stop.
Set "10 or 11" in Pr. 161, then press
When the setting dial and key operation is made invalid,
dial and key operation is invalid,
dial or key operation is not performed for 2s, the monitor display appears.)
To make the setting dial and key operation valid again, press
REMARKS
Even if the setting dial and key operation are disabled, the monitor display and
NOTE
Release the operation lock to release the PU stop by key operation.
Setting from the parameter unit and operation panel
for 2s to make the setting dial and key operation invalid.
appears if the setting dial or key operation is performed. (When the setting
for 2s.
appears on the operation panel. When the setting
are valid.
4
261