LED Radio-Controlled Clock WS 6840
Key Features:
` DCF-77 radio controlled
` 12/24 H display.
` Time zone setting: -12 to +12 Hour.
` Dual Alarm with snooze function
` Indoor Temperature display in °C/°F
` Outdoor Temperature display in °C/°F
Power on or Reset:
` After power on or Reset, all LEDs turn on accordingly, buzzer beeps, unit enter RF Searching mode for Max. 3
minutes, then exit RF Searching mode and enter normal mode.
Clock setting:
` At normal mode, Press and hold the “MODE” key more than 2 seconds, can set 12/24HR Æ Hour Æ Minute Æ
Offset time.
` Corresponding icon flash at 1Hz, and press “UP” or “DOWN”key to set the value, and hold “UP” or “DOWN”key for
fast increasing or decreasing.
` Press “MODE” key to confirm the setting and come to next setting, unit will return to Normal Mode after finish
setting.
F.Y.I.:
` At any other mode, if without key operation for 15 seconds, the unit will store current setting and return to Normal
Mode automatically.
` How to set Offset Time : Offset time means the time different between local time and Germany time; If local time is
1 hour faster than Germany time, then set the offset time to +1HR; If local time is 1 hour slower than Germany time,
then set the offset time to -1HR; Unit’s clock will automatically set to local time after receiving DCF signal
successfully.
Alarm Setting:
` At normal mode, Press “Mode” key to toggle the display among Clock Æ AL1 time Æ AL2 time, When AL1 or AL2
time be displayed ,press and hold “Mode” key more than 2 seconds to set Hour & Minute, corresponding icon
flash at 1Hz. press “UP” or “DOWN” key to set the value, and hold “UP” or “DOWN”key for fast increasing or
decreasing.
` When AL1 or AL2 icon flash, Press “Down” key to enable(Corresponding Alarm LED turn on) or
disable(Corresponding Alarm LED turn off) alarm. Unit will return to normal mode after finish setting
` Alarm sound crescendo for 2 minutes.
` During alarm, press “SNOOZE” key to stop the alarm and enable snooze function (Corresponding Alarm LED flash
at this status), the unit will alarm 5 minutes later.
` During alarm or Snooze function enable, press any other keys except “SNOOZE” key, will cancel the alarm or
Snooze function.
Indoor Temperature Measurement:
` Indoor Temperature measurement range: -9°C ~ +49°C, “LLL” will displayed if value lower than -9°C, “HHH” will
