Meter Power - Extech Instruments EX623A Quick Start Manual

Short press to step through MAX and MIN readings and then
back to normal display mode.
Short press to select an alternate mode for the function in use.
For example, select AC or DC when measuring voltage.
Long press to activate the DC current zero function.
With a thermocouple connected to one or both inputs, choose the
display configuration (T1, T2, or T1 minus T2).
Long press, when measuring AC current, to switch on/off the in-
rush capture mode.
Short press to switch to the manual range, and then to step
through the ranges. Long press to return to Auto range.

METER POWER

The meter is powered by one 9 V battery. The compartment is lo-
cated on the back of the meter (under the tilt stand) secured by the
two black Phillips screws. The meter automatically switches off after
approximately 15 minutes.
FEATURES
Input Shutter Switch
Set the switch to proper position for the measurements shown in
the image below.
Automatic and Manual Range
In the voltage, resistance, capacitance, frequency, and μA current
functions, the meter automatically selects the optimum range. To
use manual range, press the RANGE button, subsequent presses
will step through the ranges. Long press RANGE to return to the
Auto range mode.
#NAS100185; r. AE/96702/98047; en-US
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