How To Program Group Volume...
1) On the touchscreen, click the ‘G1 + G2 (+G3)’ button to see your group head information. The column on the left is where your total water output is listed.
2) Choose the button you would like to program.
3) Increase or decrease your volume in mL by using the plus or minus.
4) Save with the back arrow or hit X to cancel.
Congrats! You have successfully programmed your group volume!