Hella Gutmann MT-HV Manual De Instrucciones página 50

4. | Device description
Interaction
The green LED is permanently on if the high-voltage measurement is active.
The yellow LED is permanently on if high voltage is switched to the test prods.
The blue LED is permanently on if the MT-HV has Bluetooth® connection.
Explanation of the battery status display:
more than 40 % of entire charge
• The battery status indicator flashes green if the battery is being charged.
• The status indicator is permanently green if the battery is fully charged.
20 % to 40 % of entire charge
20 % or less (charging required!)
• The battery status indicator flashes red if battery charge is less than 10 %.
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Hella Gutmann
LED
MT-HV