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Volts, Back light, Auto-test – KYORITSU 4140 User Manual

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9. Volts


1.OperatethePowerswitchandturnontheinstrument.Pressthe

VOLTSfunctionswitch.

2.InserttheTestLeadsintotheinstrument.(Fig.9-1)

Fig.9-1

3.VoltagevalueandfrequencywillbedisplayedontheLCDwhen

applyingACvoltage.

Fig.9-2

10. Back Light

Pressing the Back Light Switch selects Backlight ON / OFF.
Backlight automatically turns off in 2 minutes after it turns on.

11. Auto-Test


The Test Switch is locked when the switch is pressed down for 3

sec.TheredLEDontheswitchwillflash.Inthisautomode,when

using distribution board lead Model 7246, tests are conducted by
simply disconnecting and reconnecting the red phase prod of the

Model 7246 avoiding the need to physically press the test button

i.e.'handsfree'.

Frequency

Voltage