Agilent Technologies U3401A Servisní příručka stáhnout pdf (Strana 22)

1Getting Started

4 U3401A User’s and Service Guide

Connecting power to the instrument

Connect the power cord and press the power switch to turn on the

multimeter.

The front panel display illuminates while the multimeter performs its

power- on self- test. (If the multimeter does not power- on, refer “Operating

Checklist” on page 70). During the power- on session, press to hold

the full display. Press any key to resume the power- on self- test.

The multimeter powers up in the DC voltage function with autoranging

enabled. If self- test is successful, the multimeter goes to normal operation.

If the self- test fails, either a full annunciator or a blank display is

displayed without entering the normal operation. If the self- test repeatedly

fails, contact your nearest Agilent Sales and Service Office

NOTE

The multimeter will operate at any line voltage between 90 VAC and 264 VAC when the line

voltage selector is set properly with frequency range 50 Hz or 60 Hz.

CAUTION

• Before turning on the multimeter, make sure the line voltage selector is set to the

correct position for the applied line voltage to the power line cord connector.

• Do not apply a line voltage that exceeds the specified range of the line cord connector.

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Agilent Technologies U3401A Servisní příručka Strana 22