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USER MANUAL E8620 Emos
GB | Wireless Weather Station
Safety Instructions and Warnings

Read the user manual before using the device.

Follow the safety instructions in the manual.
- Do not tamper with the internal electrical circuits of the product – doing so may damage the product and will automatically void the warranty. The product should only be repaired by a qualified professional.
- To clean the product, use a soft, slightly damp cloth. Do not use solvents or detergents – they could scratch the plastic parts and cause corrosion of the electrical circuits.
- Do not use the device in the proximity of devices that generate electromagnetic fields.
- Do not expose the product to excessive force, impact, dust, high temperatures or humidity – these may cause the product to malfunction or may deform its plastic parts.
- Do not insert any objects into the openings on the device.
- Do not submerge the device in water.
- Protect the device from falls or impacts.
- Only use the device in accordance with the instructions provided in this manual.
- The manufacturer is not liable for damage caused by improper use of the device.
- The appliance is not intended for use by persons (including children) whose physical, sensory or mental disability, or lack of experience and expertise prevents safe use, unless they are supervised or instructed in the use of the appliance by a person responsible for their safety. Children must always be supervised to ensure they do not play with the appliance.
Technical Specifications
Radio-controlled clock
Time format: 12/24 h
Indoor temperature: 0 °C to +50 °C, 0.1 °C resolution
Outdoor temperature: -40 °C to +70 °C, 0.1 °C resolution
Indoor and outdoor temperature measurement accuracy: ±1 °C for range 0 °C to +50 °C, ±2 °C for range -20 °C to 0 °C, ±4 °C for range -40 °C to -20 °C
Indoor and outdoor humidity: 20 % to 99 % RH, 1 % resolution
Accuracy of humidity measurement: ±5 % for range 35 % to 75 % RH, ±10 % for range 20 % to 35 % RH/75 % to 95 % RH
Barometric pressure measurement range: 800 hPa to 1,100 hPa
Unit of pressure: hPa/inHg
Radio signal range: up to 80 m in an open area
Transmission frequency: 433 MHz, 10 mW e.r.p. max.
Number of sensors: max. 3
Power supply:
main station: 2× 1.5 V AAA batteries (not included)
adapter, 230 V AC/5 V DC, 1,000 mA (included)
sensor: 2× 1.5 V AAA batteries (not included)
Dimensions:
main station: 155 × 50 × 113 mm
sensor: 50 × 25 × 95 mm
Description of Icons and Buttons on the Station and Sensor
| 1 – weather forecast | 15 – date |
| 2 – pressure | 16 – SNOOZE/LIGHT button |
| 3 – alarm | 17 – MODE button |
| 4 – DCF signal reception | 18 – ALARM button |
| 5 – time | 19 – PRESSURE button |
| 6 – indoor temperature and humidity | 20 – CHANNEL button |
| 7 – station batteries low | 21 – UP button |
| 8 – min./max. indoor temperature and humidity | 22 – DOWN button |
| 9 – wireless communication with sensor | 23 – station battery compartment |
| 10 – sensor batteries low | 24 – power adapter socket |
| 11 – max./min. outdoor temperature and humidity | 25 – sensor LED |
| 12 – outdoor temperature and humidity | 26 – hole for hanging |
| 13 – day of the week | 27 – channel selector (1, 2, 3)/RESET button |
| 14 – moon phase | 28 – sensor battery compartment |
Getting Started
- Connect the power adapter to the weather station, then insert batteries (2× 1.5 V AAA) into the station. Remove the cover from the battery compartment on the rear of each sensor, set the sensor channel number using the switch (1, 2, 3), then insert alkaline batteries (2× 1.5 V AAA).
Make sure the polarity is correct when inserting the batteries to avoid damaging the weather station or sensor.
Only use 1.5 V alkaline batteries of the same type; do not use rechargeable 1.2 V batteries. The lower voltage may cause both of the units to not function.
- The icon for wireless communication with sensor will start flashing, indicating that the weather station is searching for signal from the outdoor sensor. Place the units next to each other. If outdoor temperature does not appear within 3 minutes, the weather station will stop searching for signal, the icon for wireless communication with sensor will stop flashing and outdoor temperature will be displayed as --.-. If signal from the sensor is not detected, repeat the process from step 1.
We recommend placing the sensor on the north side of the house. The range of the sensor may decrease substantially in areas with a large number of obstacles. The sensor is resistant to dripping water; however, it should not be exposed to sustained rain.
Do not place the sensor on metal objects as these would reduce transmission range.
The sensor can be placed vertically or hung on a wall.
If the weather station screen shows the low battery icon in field no. 10, replace the batteries in the sensor.
If the weather station screen shows the low battery icon in field no. 7, replace the batteries in the station.
Weather Station RESET
If the weather station displays incorrect values or does not respond to button presses, disconnect the power adapter, remove the batteries, then reinsert the batteries and reconnect the adapter. This will erase all data; you will need to set the weather station again.
A sensor can be restarted by pressing the RESET button (use a pencil or paper clip).
Changing Sensor Channel and Connecting Additional Sensors
The station can be paired with up to 3 wireless sensors.
- Press the CHANNEL button repeatedly to choose sensor number 1/2/3; the number will be flashing.
- Long-press the CHANNEL button ☐; the station will start searching for signal from sensors; a icon will be flashing for all of them.
- Remove the cover from the battery compartment on the back of the sensor, set the sensor channel number using the selector (1, 2, 3 – each sensor must be set to a different number), then insert alkaline batteries (2× 1.5 V AAA).
- Data from the sensors will be loaded into the station within 3 minutes. Repeat the whole process if sensor signal is not detected.
Displaying Data from Multiple Sensors, Automatic Cycling through Values from Connected Sensors
Press the CHANNEL button repeatedly to display data from all connected sensors on the weather station, one by one. You can also activate automatic cycling through data from all connected sensors:
1. Turning on cycling
Repeatedly press the CHANNEL button until the display shows the icon.
Data from all connected sensors will be shown automatically and repeatedly one after another.
2. Turning off cycling
Repeatedly press the CHANNEL button until the icon disappears.
Radio-Controlled Clock (DCF77)
After registering the wireless sensors, the weather station will automatically search for DCF77 signal (hereinafter referred to as DCF signal) for 7 minutes; the icon will flash depending on the strength of DCF signal.
No other data on the screen will be updated and all buttons will be disabled during the search.
Long-pressing the down arrow button terminates the search for DCF signal.
Signal detected – the icon stops flashing and the current time and date will be displayed along with a 📄icon.
Signal not detected – the DCF icon is not displayed.
Long press the down arrow button to search for DCF signal again for 7 minutes. Long press the down arrow button again to cancel the search for DCF signal. DCF signal will be synchronised regularly every day between 01:00 and 05:00.
During daylight saving time, a DST icon will be displayed below the DCF icon.
In standard conditions (at safe distance from sources of interference, such as TV sets or computer monitors), the reception of time signal takes several minutes.
If the weather station does not detect the signal, follow these steps:
- Move the weather station to another location and try to detect DCF signal again.
- Check the distance of the device from sources of interference (computer monitors or television sets). It should be at least 1.5 to 2 m during the reception of signal.
- When receiving DCF signal, do not place the weather station in the proximity of metal doors, window frames and other metal structures or objects (washing machines, dryers, refrigerators etc.).
- DCF signal reception is weaker in reinforced concrete structures (cellars, high-rise buildings etc.), depending on the conditions. In extreme cases, place the weather station close to a window in the direction of a transmitter.
The reception of the DCF radio signal is affected by the following factors:
- Thick walls and insulation, basements and cellars.
- Inadequate local geographical conditions (these are difficult to assess in advance).
- Atmospheric disturbances, thunderstorms, electrical appliances with no interference elimination, television sets and computers located near the DCF receiver.
If the weather station cannot detect DCF signal, time and date must be set manually.
Note: If the weather station detects the DCF signal but the current time on the screen is incorrect (e.g. shifted ±1 hour), you must set the correct time zone for the country where you are using the station, see Manual Setting of Time and Date. The current time will be shown with the appropriate time zone difference.
Manual Settings
- Long-press the button; settings will start flashing.
- Use the ▼ and arrow buttons to set the following values: time zone – hours – minutes – year – date display format – month – day – calendar language (GER, FRE, SPA, ITA, DUT, DAN, ENG).
- Move between the values by short-pressing the button.
- Holding the individual arrow buttons adjusts value faster.
Setting Pressure Unit/Value
Press the button repeatedly to set the unit of pressure hPa/inHg.
For a more accurate calculation of pressure, you can adjust the value manually.
Long-press the 🎨 button.
Use the ▼ and buttons to set the pressure value and confirm by pressing.

Setting an Alarm
Long-press the button; settings will start flashing.
Press the ▼ and buttons repeatedly to set: hour – minutes.
Navigate in the menu by pressing the 📁 button.
To activate/deactivate the alarm, press the ⏻ button repeatedly; the screen will display:
alarm activation – press the button to confirm or wait 20 seconds for the setting to save automatically.
To deactivate the alarm, press the 📋 button again. The alarm icon will disappear.
nooze Function
Use the SNOOZE/LIGHT button to delay alarm ringing by 5 minutes.
Press the button when the alarm starts ringing. The 🎨 icons will start flashing.
To cancel SNOOZE mode, press any other button except SNOOZE/LIGHT – the icons will stop flashing and 📁 will remain on the screen.
The alarm will be re-activated the next day.
If you do not press any button while the alarm is ringing, the ringing will stop automatically after 2 minutes.
The alarm will ring again the next day.
Station Screen Illumination
When powered via adapter:
Permanent screen illumination is set by default.
Repeatedly pressing the SNOOZE/LIGHT button allows you to set 3 permanent illumination modes (100 %, 50 %, off).
When powered only by 2× 1.5 V AAA batteries:
Screen illumination is off. Pressing the SNOOZE/LIGHT button will turn screen illumination on for 10 seconds (at 50 % intensity), then it will turn off again. When the station is only powered by batteries, permanent screen backlighting cannot be activated!
Note: The inserted batteries serve as backup for the measured/set data. If batteries are not inserted and you unplug the adapter, all data will be erased.
Temperature unit
Repeatedly pressing the button will switch between ^ C or ^ F unit of temperature.
Memory of Measured Values
Repeatedly pressing the button displays the maximum and minimum temperature and humidity readings.
To erase the memory, long-press the ▲ button.
Temperature Trend
The icon is displayed in the right next to the temperature.
| Trend indicator | ![]() | ![]() | ![]() |
| falling constant rising | |||
Weather Forecast
The station uses changes in atmospheric pressure to forecast weather for the next 12–24 hours for an area within the radius of 15–20 km.
The accuracy of the weather forecast is approximately 70 %. As the weather forecast may not be 100 % accurate, neither the manufacturer nor the seller are liable for any loss caused by an incorrect forecast. When you first set or reset the weather station, it takes approximately 12 hours before the weather station begins forecasting correctly.
Note: The currently displayed icon indicates the forecast for the next 12 – 24 hours. It may not reflect the current state of the weather.
![]() | ![]() | ![]() | ![]() |
| 1 2 3 | |||
![]() | ![]() | ![]() | ![]() |
| 4 5 6 | |||
1 - sunny
2 - cloudy
3 - overcast
4 - rain
5 - storm
6-snow
Moon Phase
The moon phase icon is displayed in field 14.
![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
| 1 2 3 4 5 | 6 | ||||
![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
| 7 8 9 10 | 11 12 |
1 - new moon
2-waxing crescent
3-waxing crescent
4 - first quarter
5 - waxing gibbous
6 - waxing gibbous
7 - full moon
8-waning gibbous
9 - waning gibbous
10 - last quarter
11 - waning crescent
12-waning crescent
Troubleshooting FAQ
In place of temperature/humidity, the screen displays:
- LL.L – the measured value is below the lower boundary of the measurement range.
- HH.H – the measured value is beyond the upper boundary of the measurement range.
- Move the device to a more suitable spot.
The screen is difficult to read
- Replace the batteries in the station, check the functioning of the power adapter.
Sensor data does not display
- Repeat the pairing process.
- Change the batteries in the sensor.
- Adjust the distance between the sensor and the station.
Hereby, EMOS spol. s r. o. declares that the radio equipment type E8620 is in compliance with Directive 2014/53/EU. The full text of the EU declaration of conformity is available at the following internet address: http://www.emos.eu/download.
Sensors: 50 × 25 × 95 mm
Stacijas un sensora ikonu un pogu apraksts
1 - laika prognoze
2 - spiediens
3 - modinātājs
21 – poga UP (Augšup)
22 - poga DOWN (Lejup)
23 – stacijas bateriju nodalijums
24 – strāvas adaptera ligzda
25 - sensora LED indikators
21-6yton UP (Hagore)
22-6утон DOWN (Надолу)






















