GH10NA USER MANUAL PAGE 4Issue I AUGUST 20171.2. Keyboard and Function KeysUSER CAN TURN OFF AND TURN ON CONTROLLER BY USING BUTTON .ACTIVATE ALL BUTTON ON PANEL TOUCH KEYBORD TAKES PLACE AFTER TOUCHEACH OF THEM AND HOLD FOR MOMENTS.ON/OFFCH PUMPS MANUALSWITCHING / PUMPSOPERATIONINDICATORSAUTO-OPERATIONINDICATORFAN MANUALSWITCHING /UPWARD VALUECHANGEAUTOMAINTAIN OPERATIONINDICATORHUW PUMP MANUALSWITCHING /DOWNWARD VALUECHANGEPROGRAMMING