User Communication

When the MT-HV is switched off and you briefly push ON/OFF, the yellow LED will light up until the start procedure is completed.

• After the start procedure is completed, the LED is permanently green and the MT-HV is ready for operation.
• When the MT-HV is switched on and you briefly push ON/OFF, the green LED will flash several times until the MT-HV is shut down entirely.

If the connection is inactive or if there is no connection in battery mode, the MT-HV will switch off after 2 minutes. Before that the red LED will light red for 60 seconds.

If an update is in progress, the LED will flash several times green until the update is finished.

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 %.