MAC TOOLS EM721 - Page 78

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On the serial port drop-down list box on the Serial-Port Debug Assistant interface, select the PC serial port
which is being used by the meter. Then click the “Open” button on this interface, the “Open” button will change
into “Close” button.
Hexadecimal Codes
hexadecimal code display area
Serial port drop-down list box
" Open " Button
Serial-Port Debug Assistant interface
“COMSETTING” button