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2.4 Turning the Power On and Off

Using the AC Adapter

Before turning the instrument on, make sure the supply volt-

age matches that indicated on its power connector. Connec-

tion to an improper supply volta

ge may damage the

instrument and present an electrical hazard.

Rated supply voltage is 100 to 240 VAC

(Voltage fluctuations of ±10% from the rated supply voltage

taken into account.)

Rated supply frequency is 50 or 60 Hz.

Right Side

Turn the power

switch on ( ).

If the " " indicator is not displayed, the instrument is not being powered

from the AC line. In this state, the battery charge will be depleted if measuring

for a long time, and measurement may be interrupted. Verify that the AC

adapter is securely connected to an AC power source and to the instrument.

Turning Power On

Turn the power

switch off ( ).

The installed battery pack is charged whenever the AC adapt-

er is plugged into a power outlet, even when the Memory

HiLogger is off. In addition, providing there is some remaining

battery charge, waveform data and the setting configuration

are memorized whenever the Memory HiLogger is turned off,

so that when the Memory HiLogger is turned back on, the

same operating state is displayed.

Verify that the instrument and peripheral devices

are correctly connected.

Turning Power Off

Execute zero-adjust 30 minutes after turning power on (p. 35).

Initial screen

The power supply icon appears

near the bottom right corner of

the screen (p. 19).

Hioki LR8431-20 User Manual

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