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