FLUKE 18B Battery Meter Energy Saving Function If the FLUKE 18B meter is not used for 30 minutes or there is no input signal, the meter enters "Sleep Mode" and the display is blank. Press any button or turn the rotary switch to wake up the meter. To disable the "sleep state," press the "yellow" button while turning on the meter.
Note that in the "sleep mode", the FLUKE 18B can still draw power from the battery. If the meter is not used for a long time, adjust the knob to the "OFF" position to save power.
Note that in the "sleep mode", the FLUKE 18B can still draw power from the battery. If the meter is not used for a long time, adjust the knob to the "OFF" position to save power.
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