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SECTION 4 OPERATING INSTRUCTIONS
(1) Press the "Sys" [F3] key in the main menu (2) to open
the "System (1)" menu.
(2) Press the [More] key to move on to the "System (2)"
menu.
(3) Select "Voltage unit", "Level mode" or "Isolation mode"
by pressing the " ↓ " [F2] key or " ↑ " [F3] key (the
status display will be highlighted).
(4) Press the "Sel" [F1] to change the setting.