. OPERATION DETAILED CONTROLS AND GAUGES OPERATION DETAILED CONTROLS AND GAUGES on the right, On the working mode selection screen shown on the right, it is possible to carry out the following operations with switches F3 to F6. 3 - 45 3. hown select ATT 2-Way Attachment, then p ress switc F3: Moves to next item (1 line down). F4: Moves to prev ious item (1 line up F5: Returns to use F6: Switches to se tting screen for selected item 4. The screen switch es to the 2-Way Attachment Select menu 2-Way Attachm ment Select (a), the oil fl ow to be set in ATT et to one of two set value 2-Way Attachm ent Oil Flow Setting men hment Oil Flow Setting low set for the ATT mod