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RADIO CONTROLLED CLOCK WITH 

TEMPERATURE

 

AND HUMIDITY

 

Model:

 

*$51,

 Arcus

USER MANUAL

Thank you for purchasing this delicate radio controlled clock with temperature and humidity. Utmost 

care has gone into the design and manufacture of the clock. This manual is used for DCF and MSF 

version. Please read the instructions carefully according to the version you purchased and keep the 

manual well for future reference.

MAIN FEATURES
WEATHER STATION

1

2

19

3

11

4

12

5

13

6

14

7

15

8 9 10

16

17
18

1.

[ ALARM / SNOOZE ]  

key

- Press it to stop the current alarm and enter into snooze mode.

- Hold it for 2 seconds to turn off the alarm function.

2.

LCD

 display

3.

[ ALARM

 

]

key

     - In normal time display, press it to enter the alarm mode.

     - In alarm time mode, press it to turn on/off the alarm function.

 - Press it to stop the current alarm when the bell is ringing and turn off the alarm and snooze function.

     - In alarm time mode, press and hold it for 2 seconds to enter alarm time setting.

4.

[ CHANNEL/UP ] 

 key

- In setting mode, press it to increase the setting values.

- In normal time mode, press it to switch among Channel 1, 2 and 3.

5.

[ MAX/MIN/DOWN ]

key

- In setting mode, press it to decrease the setting values.

- Press it to check the minimum and maximum temperature and humidity records.

6.

[ TIME ]

key

- Press and hold it for 2 seconds to enter normal time setting.

7.

[

 

HISTORY ] 

 key

- Press it to check the temperature and humidity records.

8.

[

 

LOOP ] 

 key

- Press 

[

 

LOOP ]

 key and the backlight color will change automatically; Press it again, the 

backlight color will stop the change.

9.

[

 

RAINBOW ] 

 key

- Turn off

the LOOP function and  press 

[

 

RAINBOW ] 

 key , the backlight  will change its colour 

        in this sequence: white> red>orange>yellow>green>cyan>blue>purple.

10.

[

 

TUNE ] 

 key 

     - Turn off

the LOOP function and press 

[

 

TUNE ] 

 key , the backlight will display 256 colours.  

11.

[

 

SENSOR ] 

 key 

     - Press it to receive the data from the transmitter.

12.

[

  

RCC ] 

 key

      - Press it to receive the RC signal for reception testing.

13.

[ OUTDOOR TEMP ]

key

     - Turn on the function, the backlight color will change automatically according to the  temperature.   

14.

[

 

RESET ] 

 key

     - Press it to reset all values to default values.

     - In case of malfunction, the unit may be required to reset.

15.

[ °C/°F

 

]

slide switch

     - Press it to switch between Celsius and Fahrenheit.

16.

[

 

OFF / LO / HI ] 

 slide switch

     - Slide it to turn on/off the backlight function.

17.

A

C

 jack

18.Temperature and humidity sensor

19.Battery door

- Accommodates lithium battery CR2032 for back-up.

TRANSMITTER

*$51,+

1.

LED

 indicator

- Flashes when the remote unit transmits a reading.

2.

LCD

 display

- Display of the channel , temperature and humidity.

3.

[ RESET ]

 key

- Press it to restart the transmitter.

4. Wall mounting holder

- Use it to support the transmitter on the wall

5.

[ CHANNEL ]

 slide switch

- Assign the transmitter to Channel 1, 2 or 3.

6. Battery compartment

- Accommodates 2 x AA size batteries.

BEFORE USING THE TRANSMITTER

1. Remove the battery door.

2. Insert 2 x AA size batteries into the battery compartment. Make sure you insert them the right

way according to the polarity information marked on the battery compartment.

3. Replace the battery door.

NOTE:

1. Once the channel is assigned to one transmitter, you can only change it by removing the

batteries or resetting the unit.

2. Avoid placing the transmitter in direct sunlight, rain or snow.

WEATHER STATION

1. Plug the adaptor into the 

A

C jack.

2. Press 

[

 

RESET ] 

 key to re-start the clock and it will synchronize the channels of transmitter  automatically.

NOTE:

1. The building material and the position of the receiver and transmitter affect the effective range.

So try various locations to obtain the best result.

2. Place the units away from metal objects and electrical appliances to minimize the interference.

 Position the receiver and transmitter within the effective transmission range: 30m in usual circumstances.

RECEPTION OF RADIO CONTROLLED TIME SIGNAL

The time and date are radio-controlled. The current time

and date are automatically synchronized 

with the time signal transmitted from Europe. When used for the first time (after inserting the 

batteries or pressing  

[

 

RESET ] 

key), the clock will start to receive the RC signal in 5 minutes with 

*$51,

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CHECKING AND DELETING MAX/MIN TEMPERATURE RECORDS

1. Press  

[ MAX/MIN ]

 key once to check the maximum temperature and humidity records. Press it

twice to check the minimum records. Press it again to exit.

2. Press and hold 

[ MAX/MIN ]

 key for 3 seconds to delete the maximum and minimum

temperature and humidity records, with “beep” tone.

MAX temperature record

MIN temperature record

VIEWING THE CHANNEL

The default channel is Channel 1. In normal time mode, press 

[ CHANNEL/UP

 

]

 key to view the 

channels from 1 to 3. Besides, the channels can automatically switch by pressing and holding  

[ CHANNEL/UP

 

]

 key for 2 seconds, with “beep” tone.

LOW BATTERY INDICATOR

If the low battery indicator “ 

 ” displays in the outdoor temperature window, it indicates that the 

battery power of the transmitter is not enough, and you should replace with 2 x AA size batteries at once. 

Transmitter’s low battery indicator

NOTE:

1. If the battery power of the transmitter is not enough, insert 2x AA size batteries and press 

[ RESET ] 

key

 of transmitter and 

[ SENSOR ] 

key of the  main unit  so that it can receive the time and temperature

 automatically.

2. Attention! Please dispose of used unit or batteries in an ecologically safe manner.

SPECIFICATION
MAIN UNIT

Operating temprature range:      -5°C~50°C

23° F~122°F

Resolution:

0.1°C/°F (above -10°C/14°F)              1°C/°F (below -10°C/14°F)

Operating humidity range:          10%~99%

Radio controlled signal:

DCF / MSF version

REMOTE SENSOR

*$51,+

Operating temperature range:     -20°C~60°C

-4°F~140°F

0.1°C/°F (above -10°C/14°F)              1°C/°F (below -10°C/14°F)

Resolution:

RF transmission frequency:        

0D[5)SRZHU

No. of remote sensor:

RF transmission range:              

Temperature sensing cycle:        

433MHz

G%PP:

up to 3 units

maximum 

30 meters

around 

60-64 seconds

POWER

Main unit:

Remote sensor:

AC adapter  4.5V, 300 mA   lithium battery CR2032 for back-up

 

3V, use 2 x AA 1.5V(alkaline battery recommended)

DIMENSION

Main unit:

139(W) x 109(H) x 59.5(D) mm

Remote sensor:

65(W) x 100(H) x 35(D) mm

the signal strength indicator f ashing.

SIGNAL STRENGTH INDICATOR

The signal indicator displays signal strength in 4 levels. Wave segment f ashing means time signals 

are being received. The signal quality could be classif ed into four types:

No signal quality

Weak signal quality

Acceptable signal quality

Excellent signal quality

NOTE:

1. Everyday the unit will automatically search for the time signal at 2:00am , 8:00am, 2:00pm and 8:00pm.

2. Always place the unit away from interfering sources such as TV set, computer, etc.

3. Avoid placing the unit on or next to metal plate.

4. Closed area such as airport, basement, tower block or factory is not recommended.

5. Do not start reception on a moving article such as vehicle or train.

MANUAL TIME SETTING

If you are out of the reach of the Radio Controlled Transmitter or if the reception is not reachable,  

the  time  can  be  set  manually. As  soon  as  the  transmitter  is  received  again,  the  clock  will 

automatically synchronize with received time.

1. In normal time mode, press and hold 

[ TIME ]

 key for 2 seconds , " 12H " or " 24H " digit f ashes.

2. Press 

[ UP

 

]

 or 

[ DOWN ]

 

 key to set the hour format.

3. Press 

[ TIME

 

]

 key again to complete the setting in this sequence:  12/24-hr

 Hour 

Minute 

 Second

 ±23 hour offset 

 DST AUTO/OFF.

5. Press 

[ TIME

 

]

 key to save and exit the setting or let it exit automatically 30 seconds later

without pressing any key.

ALARM AND SNOOZE SETTING

1. Press 

[ ALARM

 

]

 key to enter the alarm time mode . Press it again and the alarm icon "

  " will

be displayed.

2. Press and hold 

[ ALARM

 

]

 key for 2 seconds and the hour digit f ashes.

3. Press 

[ UP

 

]

 or 

[ DOWN

 

]

 key to set the desired value.

4. Repeat the step 2 and step 3 to set the miniute .

5. Press 

[ ALARM

 

]

 key to save and exit the setting.

NOTE:

1. If no key is pressed during the alarm period, the alarm will turn off automatically.Alarm beeping

lasts for 2 minutes. 

2. Press 

[ ALARM / SNOOZE ]

 button to stop the current alarm and enter snooze. Alarm icon will

be f ashing continuously. The alarm will sound again in 5 minutes. Snooze can be operated continuously 

 in 24 hours.

3. Press

 [ ALARM  ]

 button or hold 

[ ALARM / SNOOZE ]

 button to turn off alarm function.

WEATHER FORECAST FUNCTION

The indoor console contains a built-in sensitive pressure sensor to predict the weather forecast for 

the next 12-24 hours.

Sunny

Cloudy

Partly Cloudy

Snowy

Equal or  below -3°C

Rainny

 -2°C ~ 3°C

NOTE:

If there is any inconsistency of weather forecast between any local weather station and this unit, the 

local weather station's forecast should prevail. The manufacturer is not responsible for any errors 

due to incorrect forecasting resulting from this unit.

COLOUR CHANGE DISPLAY

1. Press 

[

 

LOOP ]

 key and the backlight color will change automatically; Press it again, the

backlight color will stop the change.

2. Turn off the loop function and press 

[

 

RAINBOW ] 

key , the backlight will change its colour in

this sequence: white

 red 

 orange 

 yellow 

 green 

 cyan 

 blue 

 purple.

3. Turn off the loop function and press 

[ TUNE ]

 key, the backlight will display 256 colours.

4. Press

[ OUTDOOR TEMP ] 

key and the backlight color changes its color according to the

changes of outdoor temperature transmitted from the main unit. It has 17 backlight colors to

display different temperature ranges.

Color No.

Celsius

Start 

Celsius

End

Color

R

G

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Instruction translated, edited and processed: 

Copying this manual or its parts is forbidden without the author's permission

05G21

Summary of Contents for 535 Arcus

Page 1: ... of the clock This manual is used for DCF and MSF version Please read the instructions carefully according to the version you purchased and keep the manual well for future reference MAIN FEATURES WEATHER STATION 1 2 19 3 11 4 12 5 13 6 14 7 15 8 9 10 16 17 18 1 ALARM SNOOZE key Press it to stop the current alarm and enter into snooze mode Hold it for 2 seconds to turn off the alarm function 2 LCD ...

Page 2: ...f the backlight function 17 AC jack 18 Temperature and humidity sensor 19 Battery door Accommodates lithium battery CR2032 for back up TRANSMITTER 51 1 LED indicator Flashes when the remote unit transmits a reading 2 LCD display Display of the channel temperature and humidity 3 RESET key Press it to restart the transmitter 4 Wall mounting holder Use it to support the transmitter on the wall 5 CHAN...

Page 3: ...he desired value 4 Repeat the step 2 and step 3 to set the miniute 5 Press ALARM key to save and exit the setting NOTE 1 If no key is pressed during the alarm period the alarm will turn off automatically Alarm beeping lasts for 2 minutes 2 Press ALARM SNOOZE button to stop the current alarm and enter snooze Alarm icon will be f ashing continuously The alarm will sound again in 5 minutes Snooze can...

Page 4: ...nough insert 2xAAsize batteries and press RESET key of transmitter and SENSOR key of the main unit so that it can receive the time and temperature automatically 2 Attention Please dispose of used unit or batteries in an ecologically safe manner SPECIFICATION MAIN UNIT Operating temprature range 5 C 50 C 23 F 122 F Resolution 0 1 C F above 10 C 14 F 1 C F below 10 C 14 F Operating humidity range 10...

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