EM3382-WWVB Manual

Features

• WWVB Radio control time function
• Perpetual Calendar Up to Year 2099
• Time in optional 12/24 hour format.
• Daily Alarm Function
• Automatic snooze function
• The moon phase display
• Barometric pressure: Measurement ranges: 17.72 inHg~32.50 inHg & 600 hPa/mb~1100 hPa/mb. Pressure alternatively in inHg or hPa/mb.
• Humidity: Indoor & Remote measurable range: 20%RH ~ 95%RH
• Temperature: Indoor measurement ranges: 32°F (0°C) ~ 122°F (50°C). Remote measurement ranges: -4°F (-20°C) ~ 140°F (60°C). Temperature alternatively in °F or °C. Remote thermometer and frost alert.
• Minimum/maximum display for air humidity and temperature
• Wireless Remote Sensor: Wall Mount or Table Stand, One Wireless Thermo Sensor Included, 433.92MHz RF transmitting frequency, 200 feet transmission range in an open area.
• The weather forecasting function

Power Supply:

• Weather Station: Battery: 2 x LR6 AA and mains adapter: AC4.5V 150mA
• Wireless Remote Sensor: Battery: 2 x LR6 AA

Weather Station Appearance

The weather station features a large LCD display showing various information. The top section displays "REMOTE SENSOR" and "INDOOR SENSOR" with their respective temperatures and humidity levels. The "REMOTE SENSOR" displays temperature in °F and humidity in %RH. The "INDOOR SENSOR" also displays temperature in °F and humidity in %RH. Between these are icons for weather forecast (sun, clouds, rain) and a "TREND" indicator. Below the sensor readings are the time and calendar/alarm time, barometric pressure (in inHg), and a moon phase indicator. The display also includes comfort level indicators.

The side of the weather station has several buttons: a touch-sensitive field labeled "[sun-moon-icon]" (likely for backlight/snooze), "SET", "ALARM", "UP", "DOWN", "ALERT", and "MEMORY". There is also an alarm on/off shift switch and a battery compartment. A power supply socket is located on the back.

Part A - Positive LCD Elements

• A1: Remote Temperature
• A2: Remote Humidity
• A3: Remote Temperature Alert
• A4: Time & Calendar or Alarm time
• A5: Moon Phase
• A6: Barometric pressure
• A7: Histogram shows the trend of 24 hours of atmospheric pressure
• A8: Indoor Humidity
• A9: Indoor comfort
• A10: Indoor Temperature
• A11: Weather Forecasting

Part B - Side buttons and power

• B1: [sun-moon-icon] touch field
• B2: "SET" button
• B3: "ALARM" button
• B4: "UP" button
• B5: "DOWN" button
• B6: "ALERT" button
• B7: [unknown-button-icon] button (appears to be a symbol, possibly related to mode or settings)
• B8: "MEMORY" button
• B9: Alarm on/off shift switch
• B10: Battery compartment
• B11: Power supply socket

Part C - Wireless Outdoor Sensor

• C1: LCD display – Temperature
• C2: LCD display – Humidity
• C3: Transmit signal LED
• C4: "°C/°F" button
• C5: "TX" button
• C6: Channel selector switch
• C7: Battery compartment

Initial Operation

1. Open the weather station battery compartment cover.
2. Insert 2 x AA batteries, observing polarity (+ and - marks).
3. Upon battery insertion, the LCD display will briefly light up for 3 seconds, accompanied by a beep tone, and indoor temperature & humidity will be detected.
4. The weather station will begin connecting to the remote sensor. This process takes about 3 minutes, indicated by a flashing RF antenna symbol in the "REMOTE SENSOR" display area.
5. Replace the wireless remote sensor battery compartment cover and the weather station battery compartment cover. Insert 2 x AA batteries into the remote sensor, observing polarity.
6. Once a connection is established, the weather station enters Radio Control (RC) time receive mode.

Reception of the Radio Signal (WWVB)

The clock automatically starts searching for the WWVB signal 7 minutes after a restart or battery change. The radio mast icon [radio-signal-icon] will flash.

Synchronization attempts occur automatically at 1:00, 2:00, and 3:00 AM to correct time deviations. If an attempt fails (radio mast icon disappears), another attempt will be made the following hour, repeating up to 5 times.

To manually start WWVB signal reception, press and hold the "UP" button for two seconds. If no signal is received within 7 minutes, the search stops (radio mast icon disappears) and resumes the next hour.

During RC reception, pressing the "UP" button once stops the signal search.

F.Y.I.:

• A flashing radio mast icon [radio-signal-icon] indicates WWVB signal reception has started.
• A continuously displayed radio mast icon [radio-signal-icon] indicates successful reception.
• It is recommended to place the station at least 8 feet away from sources of interference like televisions or computer monitors.
• Radio reception may be weaker in rooms with concrete walls or in offices. In such cases, place the system near a window.
• While in RC receive mode, only the "UP" button functions. To access other functions, press "UP" to exit RC mode.

Manual Time Setting

Pressing the "SET" button once cycles between the calendar and second display.

Press and hold the "SET" button for 2 seconds to enter the 12/24 hour mode setting. Use "UP" and "DOWN" buttons to select the desired format.

Press "SET" to confirm and proceed to Time Zone setting. Use "UP" and "DOWN" buttons to select the correct time zone (PST, MST, CST, EST).

Press "SET" to confirm. The DST (Daylight Saving Time) icon will flash. Use "UP" and "DOWN" buttons to set DST to ON or OFF.

Press "SET" to confirm. The Hour display will flash. Use "UP" and "DOWN" buttons to set the correct hour.

Press "SET" to confirm. The Minute display will flash. Use "UP" and "DOWN" buttons to set the correct minute.

Press "SET" to confirm. The Month and Date icon will flash. Use "UP" and "DOWN" buttons to set the date display format (Month/Date or Date/Month).

Press "SET" to confirm. The Year display (e.g., 2015) will flash. Use "UP" and "DOWN" buttons to set the correct year.

Press "SET" to confirm. The Month display will flash. Use "UP" and "DOWN" buttons to set the correct month.

Press "SET" to confirm. The Date display will flash. Use "UP" and "DOWN" buttons to set the correct date.

Press "SET" to confirm and exit settings, returning to clock mode.

F.Y.I.:

• After 20 seconds of inactivity, the clock automatically returns to Normal Time Mode from Set Mode.
• America Time Zones:
  • EST: Eastern Standard Time (E) -5
  • CST: Central Standard Time (C) -6
  • MST: Mountain Standard Time (M) -7
  • PST: Pacific Standard Time (P) -8
• Ensure the time zone is set correctly for your location; otherwise, the received time may be inaccurate.
• If Daylight Saving Time is not observed in your region, set DST to OFF.

Setting the Daily Alarms

Pressing the "ALARM" button once cycles between the calendar and alarm time display.

Press and hold the "ALARM" button for 2 seconds. The Alarm Time hour display will flash. Use "UP" and "DOWN" buttons to set the desired hour.

Press "ALARM" to confirm. The Alarm Time minute display will flash. Use "UP" and "DOWN" buttons to set the desired minute.

Press "ALARM" to confirm and exit the alarm setting procedure.

F.Y.I.:

• After 20 seconds of inactivity, the clock automatically returns to Normal clock mode from setting mode.

The Alarm for Opening and Closing

When the alarm shift switch is in the "ALARM ON" position, the [alarm-on-icon] icon is displayed, indicating the alarm function is active.

When the alarm shift switch is in the "ALARM OFF" position, the [alarm-off-icon] icon disappears, and the alarm function is inactive.

F.Y.I.:

• The alarm will sound for 2 minutes. If not deactivated by pressing any button, it will repeat automatically after 24 hours.
• The alarm sound rises in volume (crescendo) over 2 minutes, changing volume 4 times while the alarm is sounding.

Switching Off the Alarm Signal

Press any button except the [sun-moon-icon] button to stop the alarm signal. The alarm does not need to be reactivated; it automatically returns to the set alarm time.

Snooze Function

Touch the [sun-moon-icon] field or press the [sun-moon-icon] button when the alarm sounds to activate SNOOZE mode. The alarm will sound again after approximately 5 minutes.

Lunar Phases and Tide Indicator

The weather station displays the current lunar phase. The phases shown are: New moon, Waxing half-moon, Half-moon, Waxing full moon, Full moon, Waning full moon, Half-moon, Waning half-moon.

°C/°F Temperature Display

Temperature is displayed in either °C or °F. Briefly pressing the "UP" button allows switching between these modes.

Comfort Display

Indoor comfort level is calculated based on indoor temperature and humidity, with 5 levels: Comfortable, [smiley-face-icon], [neutral-face-icon], [sad-face-icon], too cold or too hot.

Displaying Temperature/Humidity/Barometric Pressure and Temperature/Humidity Trend

The current indoor temperature, humidity, barometric pressure, and their trends are shown on the LCD. After connecting the remote sensor, the station also displays remote temperature, humidity, and trends.

Trend indicators:

• The temperature/humidity is rising. [pressure-rising-icon]
• The temperature/humidity is remaining constant. [pressure-constant-icon]
• The temperature/humidity is falling. [pressure-falling-icon]

Remote Sensor Transmission

When the weather station receives signals from the wireless sensor, the temperature and humidity for the "REMOTE SENSOR" are displayed. The station can connect to up to 3 wireless sensors on different channels. The same channel cannot be used simultaneously by multiple sensors.

Pressing the "DOWN" button cycles through different remote sensor channels. When displaying the symbol "?", the channel will automatically switch every 5 seconds.

If the weather station fails to receive transmission from a remote sensor (indicated by "--" on the LCD), press and hold the "DOWN" button for 3 seconds to manually initiate transmission. An animation of the RF antenna symbol will appear, and the base station will re-receive the signal.

F.Y.I.:

• When using multiple wireless sensors on different channels, the weather station's "REMOTE SENSOR" display must also be set to the corresponding channel. If no signal is transmitted on a channel, "--" will be displayed.
• If a wireless remote sensor lacks channel selection, it defaults to channel 1.

Maximum/Minimum Temperature/Relative Humidity

Press the "MEMORY" button to toggle through indoor/remote maximum and minimum temperature/humidity data:

• Press once: Show maximum temperature and humidity values.
• Press twice: Show minimum temperature and humidity values.
• Press three times: Return to current temperature and humidity levels.

To reset the maximum and minimum data, press and hold the "MEMORY" button for approximately 2 seconds. This resets all recorded minimum and maximum data to the currently displayed values.

F.Y.I.:

• If the temperature reading is below the set range, "LLL" will be displayed.
• If the temperature reading is above the set range, "HHH" will be displayed.

Remote Temperature Alert Setting

Press and hold the "ALERT" button for 2 seconds until the "Temperature Alert" icon [temperature-alert-icon] flashes.

The Upper limit icon [high-temp-alert-icon] will flash. Use "UP" and "DOWN" buttons to set the required maximum temperature. Press "ALERT" to confirm.

The Lower limit icon [low-temp-alert-icon] will flash. Use "UP" and "DOWN" buttons to set the required minimum temperature. Press "ALERT" to confirm and end the setting procedure.

F.Y.I.:

• Before setting alerts, select the remote channel. Different channels can have different temperature alarm ranges.

Temperature and Frost Alert

Press the "ALERT" button to activate or deactivate the remote temperature alert. When activated, the temperature alarm icon [temperature-alert-icon] is displayed in the remote sensor bar.

If the remote channel's temperature value exceeds the set range, the alarm activates. The weather station will sound continuously for 5 minutes each hour. The alarm icon [temperature-alert-icon] will flash, and the displayed temperature value along with the upper limit icon [high-temp-alert-icon] or lower limit icon [low-temp-alert-icon] will also flash.

When the REMOTE SENSOR temperature is between -1°C to +3°C (30°F to 37°F), the frost alarm [frost-alert-icon] will activate, and the symbol will flash.

F.Y.I.:

• If the temperature is higher than the upper limit setting, the upper limit alarm activates, and the symbol [high-temp-alert-icon] flashes.
• If the temperature is lower than the lower limit setting, the lower limit alarm activates, and the symbol [low-temp-alert-icon] flashes.

Low Battery:

If the [low-battery-icon] symbol appears, the batteries in the remote sensor should be replaced soon.

The Weather Forecast

The weather station calculates a forecast for the next 12 hours based on barometric pressure trends. While not as precise as professional services, it provides an approximate indication. It is advisable to consult local weather forecasts and consider them authoritative if discrepancies arise.

Press and hold the [forecast-settings-icon] button for 2 seconds to enter air pressure unit and weather settings. The pressure units will flash. Use "UP" and "DOWN" buttons to select "hPa/mb" or "inHg".

Press the [pressure-settings-icon] key to confirm settings and switch to weather graphics. The weather graphics will flash. Use "UP" and "DOWN" buttons to set current weather conditions for a more accurate forecast.

The weather station displays the following weather symbols:

• Sunny [sunny-icon]
• Slightly cloudy [slightly-cloudy-icon]
• Cloudy [cloudy-icon]
• Rainy [rainy-icon]
• Heavy rainy [heavy-rainy-icon]
• Snowy [snowy-icon]

The weather station can also display the barometric pressure trend.

Trend displays:

• The barometric pressure will rise. [pressure-rising-icon]
• The barometric pressure will remain constant. [pressure-constant-icon]
• The barometric pressure will fall. [pressure-falling-icon]

Background Lighting

If powered by batteries, touch the [sun-moon-icon] field to activate the backlight for 15 seconds.

When using the power adapter, the battery is disconnected, and the backlight remains constantly bright. Press the [sun-moon-icon] button to adjust brightness across 5 states (4 brightness levels and off). Users can select their preferred brightness or turn it off. To turn the backlight on again after it's off, touch the [sun-moon-icon] field for 15 seconds.