Chauvin Arnoux F401 Guide De Démarrage page 14

English
The O.L (Over Load) symbol is displayed when the display capacity is exceeded.
1.4 THE TERMINALS
The terminals are used as follows:
1 2
Compensation of the resistance of the leads
Continuity test
Diode test
Permanent display (automatic switching off de-
activated)
Spent batteries indicator
Item
1
2
Clamp Multimeter F401
Function
Cold terminal (COM)
Hot terminal (+)