Extech Instruments EX650 User Manual page 9

Push‐Button Descriptions
Momentary presses of the M (MODE) button perform the functions shown in the
table below. Press and hold the button to activate/deactivate the Low Pass Filter
(EX655 only).
Fig. 3‐4 (a) EX655 MODE Button Function Table
Switch Position
or
Fig. 3‐4 (b) EX650 MODE Button Function Table
Switch Position
Momentarily press to access/exit the Relative mode. This mode of operation is
only available for DC voltage, AC Current, Resistance, and Capacitance.
In DC Mode, press to zero the display (EX655 only)
When the EX655 is in the ACA mode, press and hold to access the Inrush mode.
Press to access the MIN/MAX mode. The MAX icon will appear along with the
stored highest reading. Press again to view the minimum reading stored (MIN icon
displayed). Continue to use the button in this manner as desired. Press and hold
the button to exit the MIN/MAX mode. This mode of operation is only available for AC/DC
Voltage/Current, Resistance, and Temperature.
Press and hold this button to activate/deactivate the Data Hold function. Momentary
presses switch the display backlight ON or OFF.
TEMP
MODE (M) Button Function
AC Hz DC
AC
Ω
o
C
MODE (M) Button Function
AC
AC
Ω
9
DC
o
F
DC
DC
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