Alecto WS-4900 Mode D'emploi page 58

9. Desk stand
10. Suspension hole for wall-mounting
11. Button : alarm setup button
12. Button : alarm clock setup button
13. Button : clock setup button
14. HI-LO-AUTO: setup button for display lighting
15. °C / °F switch: to switch the temperature display between degrees Celsius and degrees Fahrenheit
16. RCC button: to enable or disable the DCF receiver
17. Battery compartment for the backup battery
18. Power adaptor input (micro USB plug)
19. button: down button
20. button: up button
21. RESET button: to restart the indoor unit in case of a (possible) error
22. SENSOR button: to make the outdoor unit search (again) for the indoor unit
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