Hanna Instruments HI98190 - Auto Light off; Auto Power off; Date;Time

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SETUP
Auto Light Off
Highlight Auto Light Off.
Press 5, 10 or 30 to change settings.
Auto Power Off
Highlight Auto Power Off.
Press Modify.
Press / keys to select interval then press Accept.
Press ESC to leave without changing.
Date/Time
Highlight Date/Time.