YOKOGAWA FLXA21-P1 Technical Notes page 8

17.) If you want to change another
buffer table, click the Back Arrow to
return to the User Defined Screen and
follow steps 10-16.
Otherwise click on the home icon (the house),
to remain to the main page.
18.) Now when you choose to automatic
calibrate the unit will be using user
defined pH Buffer.
Tech Note: TNA1403 Date: February 5, 2014