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68
NCV
Level 0, LCD
displays “
EF
”, does
not light up
No AC signal is sensed
Level 1, LCD display
“
-
”, green light
flashes
Level raising according to the
induction intensity from 1 (weak) to 4
(strong)
Level 2, LCD display
“
--
”, yellow light
flashes
Level 3, LCD display
“
---
”, red light flashes
Level 4, LCD display
“
----
”, red light is on
Live
LCD displays “
----
”
,
light is not on
Zero line detected
LCD displays
“
Live
”
,
Flashing red
Live wire / phase detected