The sensor collects the radio signals whenever it is within 1500 km (932 miles) of a signal. NOTE Initial reception takes 2-10 minutes for first set up or when RESET is pressed. Once complete, the reception icon will stop blinking. If the signal is weak, it can take up to 24 hours to get a valid signal. RECEPTION SIGNAL Clock signal reception indicator: STRONG SIGNAL WEAK SIGNAL NO SIGNAL Wireless Weather Forecaster with Temperature Display and Self - Setting Atomic Clock MODEL: BAR686A USER MANUAL INTRODUCTION Thank you for selecting this Oregon ScientificTM Wireless Weather Forecaster with Temperature Display and Self - Setting Atomic Clock (BAR686A). This clock is supplied with a remote sensor (THN122N) and can support up to 3 sensors in total (additional sensors sold separately). NOTE Please keep this manual handy as you use your new product. It contains practical step-by-step instructions, as well as technical specifications and warnings you should know about. CLOCK OVERVIEW FRONT VIEW 1. Sensor battery low 2. Ice warning is active 3. Pressure trend 4. Weather Forecast 5. Alarm set 6. AM / PM mode selected 7. Clock signal reception 8. Clock 9. Sensor reception icon 10. Hi / lo temperature alarm 11. Outdoor temperature trend 12. Outdoor temperature 13. Max / Min icon 14. Main unit battery low 15. Indoor temperature trend 16. Indoor temperature 17. Max / Min icon 18. Main unit sensor icon 19. Alarm mode 20. Moon Phase 21. Day and Month display REMOTE SENSOR (THN122N) 3. Select a channel. Make sure you use a different channel for each sensor. Place the sensor near the main unit. Press RESET on the sensor. Simultaneously press CHANNEL and MEM on the main unit to initiate signal sending between the sensor and main unit...