Section 1 — Introduction
13
LED Indicators
There are five LED indicators on the front panel of your instrument.
These indicate the instrument's current state and warn you of any
measurement problems.
Instrument LEDs
Power
supply
(GREEN)
Illuminates when power is supplied to the instrument from
the power adapter.
Charging
(RED)
Indicates the instrument battery is charging.
Danger
(RED)
Illuminates when:
• A DSP or critical error occurs.
• A measurement is less than 25% or greater than
200% of the preset baseline value.
MORE: See Baseline Recordings.
• The sensor bias voltage is outside the specified
range.
Alert
(AMBER)
Illuminates when a measurement is less than 50% or
greater than 150% of the preset baseline value.
OK (GREEN)
Indicates that a measurement is being, or has been,
collected successfully. No error or alert has been triggered.
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