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EX520-en-GB_ v2.7 4/15
10
AUTORANGING/MANUAL RANGE SELECTION
When the meter is first turned on, it automatically goes into Autoranging. This automatically selects
the best range for the measurements being made and is generally the best mode for most
measurements. For measurement situations requiring that a range be manually selected, perform
the following:
1. Press the RANGE key. The “AUTO” display indicator will turn off.
2. Press the RANGE key to step through available ranges until you select the desired range.
3. To exit the Manual Ranging mode and return to Autoranging, press and hold the RANGE key for 2
seconds.
Note: Manual ranging does not apply for the Capacitance and Frequency functions.
MAX/MIN
Note: When using the MAX/MIN function in Autoranging mode, the meter will “lock” into the range
that is displayed on the LCD when MAX/MIN is activated. If a MAX/Min reading exceeds that
range, an “OL” will be displayed. Select the desired range BEFORE entering MAX/MIN mode.
1. Press the MAX/MIN key to activate the MAX/MIN recording mode. The display icon "MAX" will
appear. The meter will display and hold the maximum reading and will update only when a new
“max” occurs.
2. Press the MAX/MIN key again and the display icon "MIN" will appear. The meter will display and
hold the minimum reading and will update only when a new “min” occurs.
3. To exit MAX/MIN mode press and hold the MAX/MIN key for 2 seconds.
RELATIVE MODE
The relative measurement feature allows you to make measurements relative to a stored reference
value. A reference voltage, current, etc. can be stored and measurements made in comparison to
that value. The displayed value is the difference between the reference value and the measured
value.
1. Perform the measurement as described in the operating instructions.
2. Press the REL button to store the reading in the display and the "REL" indicator will appear on the
display.
3. The display will now indicate the difference between the stored value and the measured value.
4. Press the REL button to exit the relative mode.
Note: The Relative function does not operate in the Frequency function.
DISPLAY BACKLIGHT
Press the HOLD key for >1 second to turn on or off the display backlight function. The backlight will
automatically turn off after 10 seconds.
HOLD
The hold function freezes the reading in the display. Press the HOLD key momentarily to activate or
to exit the HOLD function.
AUTO POWER OFF
The auto off feature will turn the meter off after 15 minutes. To disable the auto power off feature,
hold down the MODE button and turn the meter on.
LOW BATTERY INDICATION
The icon will appear in the lower left conner of the display when the battery voltage becomes low.
Replace the battery when this appears.