BAR 321 - Weather Station OREGON SCIENTIFIC - Free user manual and instructions
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| Product Type | Weather Station |
| Brand | Oregon Scientific |
| Model | BAR 321 |
| Display | LCD with weather icons and trend indicators |
| 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% (indoor and outdoor) |
| Radio-Controlled Clock | Yes (DCF-77 / MSF-60) |
| Alarm | Yes, with snooze function |
| Wireless Sensors Supported | Up to 3 (1 included) |
| Transmission Range | Up to 30 m (98 ft) in open area |
| Power Supply (Main Unit) | 2× AA batteries (not included) |
| Power Supply (Sensor) | 2× AA batteries (not included) |
| Dimensions (Main Unit) | 100 × 100 × 20 mm |
| Dimensions (Sensor) | 60 × 80 × 20 mm |
| Weight (Main Unit) | 150 g (without batteries) |
| Weight (Sensor) | 80 g (without batteries) |
| Mounting | Table stand or wall mount for main unit; wall mount for sensor |
| Additional Features | Weather forecast icons, min/max memory, low battery indicator |
| Care and Cleaning | Wipe with a soft, dry cloth. Do not use solvents or abrasive cleaners. |
| Safety Instructions | Avoid direct sunlight and heat sources. Handle batteries properly. |
| Spare Parts & Repairability | Replacement sensors available; user-replaceable batteries. No user-serviceable parts inside. |
| General Information | Full user manual available for download from Oregon Scientific website. |
Frequently Asked Questions - BAR 321 OREGON SCIENTIFIC
How do I set the time on my BAR 321?
The clock automatically synchronizes with the radio signal (DCF-77 or MSF-60). To manually set the time, press and hold the SET button for 3 seconds until the hour flashes. Use the + and - buttons to adjust, then press SET to confirm and move to minutes. Press SET again to exit.
How do I change the batteries?
Open the battery compartment on the back of the main unit and sensor. Insert 2 new AA batteries, ensuring correct polarity. Use alkaline batteries for best performance. After replacing, the units will resynchronize within a few minutes.
The outdoor sensor is not transmitting. What should I do?
First, check that the sensor batteries are fresh and inserted correctly. Ensure the sensor is within 30 meters of the main unit and there are no large metal obstacles. Press the RESET button on the sensor with a pin. On the main unit, press and hold CHANNEL to search for signals.
How do I reset the weather station?
Locate the RESET button on the back of the main unit. Use a paperclip or similar tool to press it gently. This will clear all settings and stored data. Re-set the time and pair the sensor again.
Why is the temperature reading inaccurate?
Ensure both units are placed away from direct sunlight, heat sources, and drafty areas. The sensor should be outdoors in a shaded location. Allow up to 10 minutes for readings to stabilize after placement.
Can I add more than one outdoor sensor?
Yes, the BAR 321 supports up to 3 wireless sensors. Additional sensors must be set to different channels (CH1, CH2, CH3) using the slide switch inside the battery compartment. On the main unit, press CHANNEL to cycle through connected sensors.
How do I set the alarm?
Press the ALARM button once to view the current alarm time. Press and hold ALARM for 3 seconds until the hour flashes. Use the + and - buttons to adjust, then press ALARM to confirm and set minutes. Press ALARM again to activate/deactivate the alarm (bell icon).
What does the weather forecast icon mean?
The station displays forecast icons (sunny, partly cloudy, cloudy, rainy) based on pressure trends. These are predictions for the next 12–24 hours, not current conditions. Icons may take a few days to stabilize after first setup.
How do I mount the sensor outdoors?
Use the built-in stand or wall mount. For outdoor placement, choose a shaded spot away from direct rain and sun. Secure the sensor using the screw hole on the back. Ensure it is not near metal surfaces that could interfere with transmission.
Why is the backlight not working?
The BAR 321 has a backlight that activates when any button is pressed. It stays on for about 5 seconds. If it does not light, check the batteries. Some models have an ECO mode that dims the backlight; press any button to wake it.
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