18
Operation keys
Power‑on Option Table (buzzer sound, resetting the instrument to the
factory settings, etc.)
+
Turn on the power while pressing the operation key.
(Turn the rotary switch from OFF.)
Setting See Operating instruction
Factory
setting
Setting
retained?
Switching the auto power save
(APS) function (p. 55)
–
ON –
Displaying product information
or displaying all indicators
(Display varies depending on the
position of the rotary switch.)
–
3PW: Serial number
Wh: Model number
W: Version of software
Besides the above: Displays all indicators
– –
Switching between balanced and
unbalanced operation (during AC
3‑phase power measurement)
p. 32
p. 35
3PW
– –
Buzzer sound (ON/OFF) –
ON Yes
Switching the auto backlight off
function (p. 55)
– ON Yes