Steren HER-257 Manual De Instrucciones página 30

2.- Move the selector switch to
VOLTAGE/METAL DETECTOR position,
the green "ON" LED will come on
immediately.
Make
sure
that
the
unit is well away from any metal or
current-carrying conductor.
3.- Turn the blue knob upwards until
the indicators turns on (RED LED lights
and BUZZER sounds). Reverse the blue
knob slowly until he indicators just go off,
The unit is now ready for use.
4.- Hold the unit as shown and move it
sideways (in horizontal position), across
the wall. The RED LED and a continuous
buzzer tone will come on when there's
metal object near.
Current-carrying conductor will be shown
with a blinking LED and beeping sound.
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