Thermo Scientific MaxQ SHKA4000 Operating Manual page 18

Section 3
Section title
E-Class Control Panel
16. Minutes: Timer indicates minutes
Features (continued)
17. Hours: Timer indicates hours
18. Elapsed Timer Light: Indicates accumulated time
19. Temperature Display: 3 digit LED indicates chamber temperature
20. Up Arrow Key: Increases temperature
21. Down Arrow Key: Decreases temperature
22. High-Limit Light: Indicates high-limit control has been activated
23. Water Light: This display has no function on this unit
24. Heat On Light: Indicates heaters are energized
25. Set Temp Light: Indicates temperature can be set
26. Heat On Switch: Turns on heat
27. Heat Off Switch: Turns off heat
Thermo Scientific Incubated and Refrigerated Shakers 3-3