Function Buttons; Mute Button - Klein Tools ET120 Mode D'emploi

ENGLISH
Warning
Risk of
Electric Shock
Explosive Materials
Do NOT probe
moving machinery
AUTO-ZERO BUTTON
Press to set zero point in a known clean environment.

MUTE BUTTON

Press to mute the audible alarm. Visual indicators will continue to
function as normal.
AUTO POWER-OFF (APO) BUTTON
Press to enable or disable the Auto Power-Off feature. When enabled,
the tester will automatically power off after 10 minutes of inactivity.
LOW BUTTON
Press to enter Low Sensitivity mode (1,000 to 10,000 ppm).
HIGH BUTTON
Press to enter High Sensitivity mode (50 to 1,000 ppm).
HOLD BUTTON
Press to lock the current measurement on the screen. Press again to
return to taking active measurements.
POWER BUTTON
Press to turn tester on and off.
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SYMBOLS ON METER

FUNCTION BUTTONS

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Wear approved eye protection
Read instructions
Not intended for use as Personal
Protective Equipment (PPE)
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