239. PRESS the "RIGHT ARROW" button (→) tomove the cursor, (blinking digit), to the requireddigit position.10. PRESS the “FUNCTION” button to display“ALARM ”.11. PRESS the “UP ARROW” button ( ↑ ) to changethe setting (AUTO/MANUAL).12. PRESS the “FUNCTION” button to display “TOPTEMP”. Top Temp. Default = OFF.13. PRESS the “UP ARROW” button ( ↑ ) to changethe value of the flashing digit.14. PRESS the “RIGHT ARROW” button ( → ) toadvance the cursor to the right for changing itsvalue.15. PRESS the “FUNCTION” button to display“BOTTOM TEMP XXX”. Bottom Temp. Default =OFF.16. PRESS the “UP ARROW” button ( ↑ ) to changethe value of the flashing digit.17. PRESS the “RIGHT ARROW” button ( → ) toadvance the cursor to the right for changing itsvalue.18. PRESS the “FUNCTION” button to obtain “GAPSETTING”.19. PRESS the “UP ARROW” button ( ↑ ) to changethe value of the flashing digit.20. PRESS the “RIGHT ARROW” button ( → ) toadvance the cursor to the right for changing itsvalue.21. PRESS the “FUNCTION” button to obtain display“OPTIONAL MENU CLAM”. To Label the Newmenu:22. PRESS the “UP ARROW” button ( ↑ ) to changethe value of the flashing digit.23. PRESS the “RIGHT ARROW” button ( → ) toadvance the cursor to the right for changing itsvalue. (Alpha-numeric capabilities).24. PRESS the "PROG" button to display "MENUITEMS".25. PRESS the "RIGHT ARROW" button (→) toreturn to the normal OPERATING MODE.To Add/Program Optional Menu Flat:1. PRESS and HOLD the "PROG" button for five, (5),seconds. (Display will flash GC450 and theprogram version number).2. PRESS the "PROG" button once to display "MENUITEMS."3. PRESS the "MENU" button to display “OPTIONALMENU (1)(2)(3) Flat”.4. PRESS the “UP ARROW” button ( ↑ ) to change“Y/N”.5. PRESS the "FUNCTION" button to obtain "SEARIN XXX".6. PRESS the "UP ARROW" button ( ↑) to obtain thedesired number (O - 9).7. PRESS the "RIGHT ARROW" button (→) to movethe cursor, (blinking digit), to the required digitposition.8. PRESS the “FUNCTION” button to display“ALARM ”.9. PRESS the “UP ARROW” button ( ↑ ) to changethe setting (AUTO/MANUAL).10. PRESS the “FUNCTION” button to obtain “TURNIN XXX”.11. PRESS the "UP ARROW" button ( ↑) to obtain thedesired number (O - 9).12. PRESS the "RIGHT ARROW" button (→) to movethe cursor, (blinking digit), to the required digitposition.13. PRESS the “FUNCTION” button to display“ALARM ”.14. PRESS the “UP ARROW” button ( ↑ ) to changethe setting (AUTO/MANUAL).15. PRESS the “FUNCTION” button to display“REMOVE IN ”.16. PRESS the "UP ARROW" button ( ↑) to obtain thedesired number (O - 9).17. PRESS the "RIGHT ARROW" button (→) to movethe cursor, (blinking digit), to the required digitposition.