12
Low battery indication
When the battery charge reaches a minimum value, approximately
10%, the message "LO BAT" appears automatically in the display.
Charging the battery
To recharge the battery:
Check if the MD-542 is turned OFF.
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Connect the equipment to the mains using
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the external power supply.
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The battery led
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with a red light up to completing the charge.
At that point, it will change to a green light,
being like this up to the equipment
disconnection from the mains supply. The
average time to fully charge the battery is
approx. 5 hours.
Note: The battery looses part of its charge while being stored. Thus, before using the insulation
tester for the first time, or after a time being out of use, the battery should be recharged.
will keep on lightning