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1.4 This problem could also be a result of radio interference in your 
neighborhood, try relocating the sensor and the base station

      
Q 2  Remote sensor drops off intermittently

   A  Possible interference from other sources, try relocating the sensor 

or the base station. Radio device operation on the same frequency 

can also cause interference.

Q 3  Temperature, humidity or the pressure is incorrect.

A    Check/  Replace  the  batteries. Also  make  sure  that  the  remote 

sensor is not place near objects that can act as sources of heat or 
cold. Adjust  the  relative  air  pressure  value  from  a  reliable  source 
such as TV or radio

6. Specifications

Outdoor data

Transmission distance in open field   :   100meter max. 

Frequency 

:   433MHz 

Temperature range 

:  -40°C to +65°C 

 

   (show OFL if outside range)

Resolution                       

:   0.1°C

Measuring interval remote sensor 

:  48 sec

Water proof level 

:   IPX3

Indoor data
Pressure / temperature 

:   48 sec

Indoor temperature range 

:   -9.9°C to +80°C

Resolution 

:   0.1°C

Measuring range rel. humidity 

:   20%

99%

Resolution                            

:   1%

 

Alarm duration 

:   120 sec

Power consumption
Base station 

:  2XAA 1.5V LR6 Alkaline batteries

Remote sensor 

:  2xAAA 1.5V LR03 Alkaline batteries

Battery life 

:  Minimum 12 months for base station            

 

   Minimum 24 months for remote sensor

Summary of Contents for WS1281

Page 1: ...TIVITY SETTING FOR WEATHER FORECASTING 7 3 6 STORM WARNING INDICATOR 7 4 PROGRAM MODE 7 4 1 TIME MODE 8 4 2 INDOOR TEMPERATURE HUMIDITY MODE 9 4 3 OUTDOOR TEMPERATURE MODE 10 5 TROUBLESHOOTING 10 6 SPECIFICATION 11 This Operation Manual is part of this product and should be kept in a safe place for future reference It contains important notes on setup and operation NOTE This is a combined operatio...

Page 2: ...mperature F or C 3 Records min and max humidity 4 Records min and max temperature 5 Weather forecast tendency 6 Forecast icons based on changing barometric pressure 7 Radio controlled time and date with manual setting option 1280 only 8 Time Zone Setting 9 12 or 24 hour time display 10 Perpetual calendar 11 Time alarm 12 Can receive up to 3 sensors 13 LED backlight 14 Wall hanging or free standing...

Page 3: ...ion can receive up to 3 temperature sensors If you have purchased additional remote sensors repeat step 1 for all extra sensors However ensure that you leave 10 seconds in between the reception of the last sensor and the set up of the following sensor The wireless weather station will number the sensors in the order of set up i e the first temperature sensor will have the temperature displayed wit...

Page 4: ...00 8 00 14 00 and 20 00 despite it being manually set If reception has been unsuccessful then the radio controlled time icon will not appear but reception will still be attempted continually If reception has been successful the received time and date will overwrite the manually set time and date Note Please participate in the preservation of the environment by properly disposing of all used up bat...

Page 5: ...ote sensor on an outside North facing wall obstacles such as walls concrete and large metal objects will reduce the range To wall mount use 3 screws to affix the wall bracket to the desired wall plug in the remote sensor to the bracket 3 Overview 3 1 Base unit LCD The following illustration shows a normal LCD display for description purposes only ...

Page 6: ...ndency Sunny Partly Cloudy Cloudy Rainy For every sudden or significant change in the air pressure the weather icons will update accordingly to represent the change in weather If the icons do not change then it means either the air pressure has not changed or the change has been too slow for the wireless weather station to register However if the icon displayed is a sun or raining cloud there will...

Page 7: ...experience frequent changes in air pressure requires a higher setting compared to an area where the air pressure is stagnant For example if 4hPa is selected then there must be a fall or rise in air pressure of at least 4hPa before the weather station will register this as a change in weather 3 6 Storm warning indicator Once you have selected pressure sensitivity storm threshold is internally calcu...

Page 8: ...zone setting value is 0 based on Germany DCF time GMT 1 Time zone option 12 hours For countries not at the same time zone area of Germany it is needed to set the correct time zone so that correct time can be displayed after radio controlled clock time is received successfully 12 24 hour format Manual time setting hours minutes Calendar setting year month date Temperature display unit degree Celsiu...

Page 9: ...nfirm with SET MODE key and will show in the TIME display section indicating the alarm function has been enabled Canceling the alarm while sounding When time alarm is triggered the alarm will sound for 120seconds Press any key to mute the alarm 4 2 Indoor Temperture Humidity Modes Press the MODE key to make the arrow point to INDOOR TEMPERATURE HUMIDITY display section Press the MIN MAX key to dis...

Page 10: ...3 seconds the outdoor temperature minimum or maximum record will be reset to current temperature value It is required to reset the outdoor MIN MAX temperature records of different channels separately if there are more than 1 wireless sensor used In outdoor temperature mode press the CH button to select a channel The channel ID will be displayed besides the outdoor temperature reading 5 Troubleshoo...

Page 11: ... sources of heat or cold Adjust the relative air pressure value from a reliable source such as TV or radio 6 Specifications Outdoor data Transmission distance in open field 100meter max Frequency 433MHz Temperature range 40 C to 65 C show OFL if outside range Resolution 0 1 C Measuring interval remote sensor 48 sec Water proof level IPX3 Indoor data Pressure temperature 48 sec Indoor temperature r...

Page 12: ... You are entitled to a replacement or refund for a major failure and for compensation for any other reasonably foreseeable loss or damage You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure ...

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