Mitsubishi Electric FR-A700 Instruction Manual page 601

Parameter
PU/external combined operation mode 2 (Pr. 79 = 4)
Select the PU/external combined operation mode 2 when making frequency setting from the
external potentiometer, multi-speed or JOG signal and inputting the start command by key oper-
ation of the operation panel (FR-DU07) or parameter unit (FR-PU04/FR-PU07).
Select "4" for Pr. 79. You cannot change to the other operation mode by using the PU/EXT-key.
Frequency setting
potentiometer
FR-A700 EC
Inverter
Power
supply
Selection of operation mode and operation location
Fig. 6-208:
Combined operation mode 2
Motor
I001208E
6 - 421