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(7) The LCD screen will display as follows:
And then use [↑] or [↓] to move the cursor to EX2, and then press S3 [SET].
(8) The LCD screen will display as follows:
(9) Continue to use [↑] or [↓] to move the cursor to EX3, and then press S3 [SET].
(10) The LCD screen will display as follows: