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Initial operation:

Open the clock battery compartment cover 

Insert 2 x AA batteries observing polarity [ “+” and “-” marks] 

When you insert the batteries, all the icon on the LCD display will briefly light up for 3 seconds, and you will 

hear a beep tone, At the same time into work mode

Reception of the Radio signal:

The clock automatically starts the 

MSF

signal search after 7 minutes of any restart or changing of new fresh 

batteries. The radio mast icon starts to flash.

At 1:00 /2:00 / 3:00 am, the clock automatically carries out the synchronization procedure with the 

MSF

signal to correct any deviations to the exact time. If this synchronization attempt is unsuccessful (the radio 
mast icon disappears from the display), the system will automatically attempt another synchronization at the 
next full one hour. This procedure is repeated automatically up to total 5 times. 

To start manual 

MSF

signal reception, press the “ ” button once. If no signals received within 7 minutes, 

then the 

MSF

signal search stops (the radio mast icon disappears) and start again at the next full one hour. 

During RC reception

to stop searching radio signal, press the “ ” button once.

F.Y.I.:

A flashing radio mast icon indicates that the 

MSF

signal reception has started

A continuously displayed radio mast icon indicates that the 

MSF

signal was received successfully

The symbol "DST" indicating the time of receipt for daylight saving time.

We recommend a minimum distance of 2.5 meters to all sources of interference, such as televisions or 

computer monitors

Radio reception is weaker in rooms with concrete walls (e.g.: in cellars) and in offices. In such extreme 

circumstances, place the system close to the window.

During the 

MSF

radio receive mode, only the “ ” button function, other button operation have no function,

If you want to carry out other functions of operation, please press “ ” button to exit the 

MSF

radio receive 

mode.

Manual time setting:

Press the “ ” button to change the time displayed in 12-hour or 24-hour format.

Press and hold down the “ ” button for 2 seconds, the Button BEEP Sound Settings: ON or OFF, now use

“ ” and “ ” buttons to set BEEP in ON or OFF.

Press “ ” to confirm your setting, the Hour display starts to flash, now use “ ” and “ ” buttons to set the 

correct hour.

Press “ ” to confirm your setting, the Minute displays starts to flash, now use “

” and “ ” buttons to set 

the correct minute.

Press “ ” to confirm your setting, the Year display 2018 starts to flash, now use “

” and “ ” buttons to 

set the correct year.

Press “ ” button to confirm your setting, the Month display starts to flash, now use “

” and “ ” buttons 

Summary of Contents for YC8091

Page 1: ...tumn and automatic time checks Keep the clock around 2 5 meter away from TV Computer Wi Fi Hub Mobile phones Etc to avoid interference As interference can block the radio control signal Features MSF Radio control time function Perpetual Calendar Up to Year 2099 Time in 12 24 hour format Two Daily Alarm Function Can set alarm repetition workday and rest day Automatic snooze function OFF or 5 60min ...

Page 2: ...Appearance SNOOZE A2 A1 A3 A4 A5 A7 A6 A8 A9 A10 A11 B1 B8 B10 B8 B9 B2 B3 B4 B5 B6 B7 ...

Page 3: ...e zone display to 01 This clock is now MSF controlled but is showing a time one hour behind Setting the daily alarms Press and hold down button more than 3 seconds until Alarm 1 Time hour display of the Alarm 1 time starts to flash Use the and buttons to set the required hour Press button to confirm your setting The Minute display of the Alarm 1 time starts to flash Use the and buttons to set the ...

Page 4: ...ss the button to turn the alarm on or off The alarm 1 or alarm 2 turn on the or icon is displayed the alarm 1 or alarm 2 function is open The repeat of alarm icon at the same time is also displayed The alarm 1 or alarm 2 turn off the or icon disappears the alarm 1 or alarm 2 function is close F Y I The alarm will sound for 2 minutes if you do not deactivate it by pressing any button In this case t...

Page 5: ...DST Icon A4 Alarm1 turn on icon A5 Alarm2 icon A6 Week A7 Temperature A8 Date A9 Humidity A10 Year A11 Month Part B Buttons and Framework B1 SNOOZE touch position B2 button B3 button B4 button B5 button B6 button B7 button B8 Hanging hole B9 Support frame B10 Battery compartment ...

Page 6: ...mast icon indicates that the MSF signal reception has started A continuously displayed radio mast icon indicates that the MSF signal was received successfully The symbol DST indicating the time of receipt for daylight saving time We recommend a minimum distance of 2 5 meters to all sources of interference such as televisions or computer monitors Radio reception is weaker in rooms with concrete wal...

Page 7: ...place the clock battery If the clock cannot receive the MSF signal because the distance is too great to receive a signal from the transmitter in Cambria UK you have the option of setting the time manually as mentioned above As soon as the reception of the MSF signal is possible then the clock is readjusted automatically We recommend a minimum distance of 2 5 meters 8 2 Feet to all sources of inter...

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