Using The Features - Greenlee DM-300 Manuel D'instructions

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Using the Features

• Automatic Power Off To extend battery life, the meter will shut itself off
after approximately 30 minutes of inactivity. To restore power, press any
button. To disable this feature, press SELECT while turning the meter
on.
• MAX MIN Press and hold to begin recording the input. "MAX MIN" will
appear on the display. The meter will beep whenever the minimum or
maximum is updated. When using the MAX MIN function, press
momentarily to cycle through the maximum, minimum, difference
(MAX – MIN). Press and hold to exit this mode.
The Automatic Power Off feature should be disabled for extended use of
MAX MIN recording.
• EF Press momentarily to detect the electric field that surrounds current-
carrying conductors. Signal strength is displayed as a series of dashes
on the display.
– Use the tester's built-in antenna (located along the top, near the
LCD) for tracing live circuits or locating a break in a wire.
– For more precision, such as distinguishing between current-
carrying and ground wires, connect a test lead to the + input
terminal and use it as a probe.
• (DM-350 only) Press and hold until LCD illuminates. The lamp
turns off after 90 seconds to extend battery life.
• SELECT Press momentarily to toggle between functions, or to toggle
between AC and DC when measuring current.
• RANGE Press once to enter the manual ranging mode. The
will disappear from the display. Press repeatedly to step through the
ranges. Press and hold to return to the automatic ranging mode.
When using MAX MIN or HOLD, pressing RANGE will cause the meter to
exit that mode.
• HOLD Press momentarily to hold the present value on the display.
Press again to exit this mode.
DM-300 • DM-310 • DM-330 • DM-350
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