EX503-en-GB_ v5.4 12/15
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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 the available ranges. Observe the decimal point and units
displayed until the preferred range is located.
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 or for the mV
range.
RELATIVE MODE
The relative measurement feature allows you to make measurements relative to a stored zero
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 (zero) 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 backlight
button to switch the display backlight ON. The backlight will automatically
shut off after 20 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 30 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 display when the battery voltage becomes low. Replace the battery
when this appears.
