KL4871 - Weather Station Prologue - Free user manual and instructions
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| Product Type | Weather Station |
| Brand | Prologue |
| Model | KL4871 |
| Indoor Temperature Range | 0°C to 50°C (32°F to 122°F) |
| Outdoor Temperature Range | -20°C to 60°C (-4°F to 140°F) |
| Humidity Range | 20% to 95% RH |
| Wireless Range | Up to 100 meters (328 feet) open space |
| Display | LCD with time, date, temperature, humidity, and weather forecast icons |
| Power Supply | Main unit: 2x AAA batteries (not included); Outdoor sensor: 2x AA batteries (not included) |
| Dimensions (Main Unit) | 120 x 70 x 20 mm (4.7 x 2.8 x 0.8 in) |
| Weight (Main Unit) | 150 g (5.3 oz) without batteries |
| Functions | Indoor/outdoor temperature and humidity, time, date, alarm, weather forecast (sunny, cloudy, rainy, stormy), barometric pressure trend, moon phase, comfort indicator |
| Mounting | Desktop stand or wall mountable |
| Maintenance | Clean with a soft, dry cloth. Avoid liquids and abrasive cleaners. |
| Safety | Keep away from water and extreme temperatures. Install batteries correctly. Dispose of batteries safely. |
| Spare Parts and Repairability | Batteries are replaceable. Outdoor sensor can be replaced if damaged. Contact Prologue support for parts. |
| General Information | Manual available for free download in multiple languages. Product rated 7.5/10 by users. |
Frequently Asked Questions - KL4871 Prologue
How do I set up the weather station?
Insert batteries into the outdoor sensor first, then into the main unit. The units will pair automatically within 3 minutes. Place the outdoor sensor in a shaded, weatherproof location.
Why is my outdoor sensor not connecting?
Ensure the sensor is within 100 meters of the main unit. Replace batteries if low. Press the CHANNEL button on the main unit to resync. Avoid interference from metal objects.
How do I change the temperature unit?
Press the °C/°F button on the back of the main unit to toggle between Celsius and Fahrenheit.
Can I add additional sensors?
Yes, this model supports up to 3 outdoor sensors. Press and hold the CHANNEL button to enter pairing mode for additional sensors.
How accurate is the weather forecast?
The forecast is based on barometric pressure trends and is generally accurate for the next 12-24 hours, but should not replace official weather sources.
Why is the time not updating?
The time is set manually via the SET button. It does not have atomic clock sync. Set it following the manual instructions.
How do I reset the weather station?
Remove batteries from both units, wait 1 minute, then reinsert. This will clear all data. You may need to resync the sensor.
What does the comfort indicator mean?
The comfort indicator shows a happy face when humidity is between 40% and 70% (ideal). A neutral or sad face indicates low or high humidity.
Can I mount the outdoor sensor on a wall?
Yes, the sensor has a built-in bracket for wall mounting. Ensure it is placed under an eave to protect from direct rain.
How to clean the main unit?
Use a soft, dry cloth to wipe the display and casing. Do not use water, solvents, or abrasive cleaners. Remove batteries before cleaning.
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USER MANUAL KL4871 Prologue
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Product information
Brand : Prologue
Model : KL4871
Category : Weather Station