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IM MY600-01EN

8. Backlight, LED light, and Buzzer

Backlight

This instrument automatically turns the backlight and LED

light on and off depending on the ambient brightness.

Once these lights turn on, they stay on for about 15 s. The

ambient brightness is detected by the illuminance sensor.

These lights can also be turned off permanently.

• Ifthesurfaceoftheilluminancesensorisdirty,the

instrument may not be able to turn the backlight and

LED light on and off normally. Keep the surface of the

illuminance sensor clean.

• Youcannotadjustthesensitivityoftheilluminance

sensor. If you want to force the lights to turn on, cover

the sensor so that it is dark.

• Evenwhentheenvironmentisnotdark,theselights

turn off automatically if the instrument is not operated

for about 2 minutes (except when a measurement is in

progress or the live circuit warning is activated).

YOKOGAWA MY600 User Manual

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