4
Light Source Indicators and Functions
Power LED. Lights green when light source is active.1.
Power button.2.
Low Battery LED. Blinks red when battery is low. At 3.
3.6V unit will power off after 10 minutes. At 3.3V unit will
power off after 5 seconds.
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The power output of the light source will vary slightly during the rst ve
minutes of operation as it warms to operating temperature. To ensure best
measurement accuracy, allow the light source to operate for ve minutes
before calibrating the meter or making measurements.
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