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.
Please visit our web site www.heavyweather.info for downloads of complete instruction manuals and the most current version of the 'Heavy
Weather' software.
Professional Remote Weather Station
43
1. Introduction
Thank you for purchasing this Professional Remote Weather Station.
Designed for everyday use, the weather station will prove to be an asset
of great value for your personal use in the home or office.
Please read this instruction manual thoroughly to fully understand the
features and functions so that you can enjoy the safe and correct operation of this unique product.
2. Intended Use
Weather Station
The base station measures the indoor environment of its surrounding
area and receives weather data from the following three outdoor sensors:
1) Thermo-Hygro Sensor
2) Wind Sensor
3) Rain Sensor
The received data is continuously updated to bring you the latest
weather information on the base station’s LCD. The thermo-hygro sensor is the main data communication unit since both the wind and rain
sensors are connected to the thermo-hygro sensor for operating power
and rely on it to communicate to the base station. Weather data sent
from the thermo-hygro sensor can be done by wireless 433MHz transmission (up to 100 meters in open space) or by cable connection.
Using the enclosed 2 meter computer cable and CD-ROM, you can
install the Heavy Weather software to your PC and upload all the received weather data from the base station. Access the latest weather
information from your PC and upload up to 175 sets of recorded
weather data by the base station and generate useful statistics and
charts onto your spreadsheets (175 sets of data is stored in the base
even if the PC is switched OFF). The software itself does not set any
limits as to how many data sets that can be transferred to PC.
This weather station is designed to work easily with your PC. There are
no tedious requirements to turn your PC ON or OFF, simply connect
and disconnect the PC cable at any time.
System Requirements for PC use:
The minimum system requirement for use of this “Heavy Weather” software is:
44
Operating system: Windows 98 or above
Processor: Pentium 166 MHz or above
RAM: 32MB of RAM or above
Hard disk: 20MB free space
CD-ROM drive
For full details on operation and installation of the “Heavy Weather”
software refer to the PC manual in PDF format on the CD-ROM.
Features of the base station:
• Receives and displays the DCF77 radio controlled time and date
• Display of extensive weather data, in all cases with programmable
alarm functions for certain weather conditions as well as records of all
minimum and maximum values along with time and date of their recordings
• Indoor and outdoor temperature and relative humidity displays in de-
grees Fahrenheit or Celsius (user selectable)
• Indoor and outdoor relative humidity displays
• Air pressure reading in inHg or hPa, absolute or relative (user select-
able)
• Detailed display of rainfall data in 1 hour, 24 hours, total since last reset
(user selectable in mm or inch)
• Wind speed in mph, km/h, m/s, knots or Beaufort (user selectable)
• Wind direction display with LCD compass as well as numerical (e.g.
225°) and abbreviated characters (e.g. SW)
• Wind chill temperature display
• Dew point temperature display
• Weather forecast display by weather icons (sunny, cloudy, rainy)
• Weather tendency indicator
• Storm warning alarm
• LED back light
• Simultaneous display of all weather data with individual settings by the
user
• COM port for easy connection to your PC
• All the weather data from the base station and up to 175 sets of
weather history data with user adjustable measuring intervals can be
recorded and uploaded to your PC
Features of the Thermo-Hygro Sensor
The thermo-hygro sensor measures the outdoor temperature and relative humidity. It also collects the readings from the rain and wind sen-
45
sors before transmitting the data to the base station by wireless
433MHz or by the 10 meter cable included in this set.
Features of Wind sensor
The wind sensor measures wind speed and wind direction and sends
the data to thermo-hygro sensor which in turn transmits the data to the
base station. Operating power is taken from the thermo-hygro sensor
using a 10 meter cable connection.
Features of Rain sensor
The rain sensor measures the rainfall and sends the data to thermohygro sensor which in turn transmits the data to the base station. Operating power is taken from the thermo-hygro sensor by a 10 meter cable
connection.
3. Safety Notes
• Damage caused by failure to comply with this instruction manual will
invalidate any guarantee! The manufacturer and supplier will not be
held liable for actions due to failure to comply with this instruction manual or from data inaccuracies that may occur with this product!
• In case of harm or damage to a person or property caused by improper
handling or failure to comply with this instruction manual, the manufacturer and supplier cannot be held liable.
• For reasons of safety and operation, alterations to this device are
strictly prohibited.
• To operate the weather station, use only supplied adaptor and batteries
of the recommended type.
• Do not leave used-up batteries in the device as these may corrode and
release chemicals that may damage the unit.
• Inserting batteries in an incorrect polarity will cause damage to this
product.
• This product is not a toy kept out of the reach of children.
• Do not depose new or used batteries to fire as they may explosion or
release dangerous chemicals.
• This product is not to be used for medical purposes or for public infor-
mation.
46
4. Packaged Contents
Before setting up, carefully unpack the contents onto a table or flat surface and check that the following are complete:
Item: Consisting of: Fittings: Illustration:
Base
Station
• Main unit
• AD/DC 230V power
Adaptor - optional use
(included)
ThermoHygro
Sensor
• Main unit
• Rain protection
cover
• 10 meter cable optional connection to
the base station (included)
• Wall mounting screws
• Plastic anchors for
screws
Wind
Sensor
• Main unit with
wind vane
• 10 meter cable
(already attached to the
main unit)
• 2 x U-bolts for mast
holder
• 4 x Washers
• 4 x Nuts
• 1 x screw (to fix main
unit to the mast holder
• Mast holder
Rain
Sensor
• Main unit (base
and funnel)
• 10 meter cable
(already attached to the
main unit)
Heavy
weather
PC
software
CD-Rom format
(English,
German and
French languages only)
• 2 meter PC cable for
PC connection - optional use (included)
47
Battery compartment
Socket for Thermo
-
Socket for
PC COM
5. Setting up
Firstly, choose to use the adaptor (included in this set) or batteries for
operation. Both these methods allow for operation of using wireless
433MHz transmission or cable connection between the base station and
the sensors and setting up for both methods is as follows:
Base Station:
Adaptor
Hygro Sensor
Port
48
Battery
Battery Cover
Thermo
-
Hygro Sensor
Sensor sockets
Sensor sockets
Setting up using batteries:
Compartment
Important: To avoid operating problems, please take note of battery
polarity if inserting any batteries
1) Pull away the rain cover of the thermo-hygro sensor to reveal the
three sockets (for the wind sensor, rain sensor and the base station)
2) Connect the attached cables of wind and rain sensors to the corresponding sockets of the thermo-hygro sensor by clicking them into
place
3) Open the battery cover of the thermo-hygro sensor located below
the three sockets and insert 2 x AA, IEC LR6, 1.5V batteries and
close the cover
4) Open the base station’s battery cover located at the back of the unit
and insert 3 x AA, IEC LR6, 1.5V batteries into the battery compartment and close the battery cover
49
Setting up using the AC adaptor:
1) Power up all the sensors as described in setting up using batteries
above
2) Using the AC adaptor (included), plug it into the mains outlet and
power up the base station by inserting the adaptor jack into the
6.0V DC socket located on the side of the base station
Every time the thermo-hygro sensor is powered up (for example after a
change of batteries), a random security code is transmitted and this
code must be synchronized with the base station to receive weather
data.
When the base station is powered up, a short beep will sound and all
LCD segments will light up for about 5 seconds before it enters into a 15
minute learning mode to learn the sensors security code. After the
learning mode (or by pressing the MIN/MAX key at anytime), the base
station will start the DCF77 radio controlled time reception.
Note for DCF77 Radio Controlled Time:
The time and date display is based on the signal provided by a highly
accurate Caesium atomic clock operated by the Physikalisch Technische Bundesamt in Braunschweig (Germany). This radio-controlled
clock does not only provide for the weather station’s time and date display but also functions as the time source for all of this weather station’s
memory and history values using time and date information.
LED backlight:
When using the power adaptor or under battery operation, the LED
backlight will switch on for 15 seconds when any key is pressed.
6. Operation using cable connection or wireless 433MHz
Cable Connection:
Using this method of operation will provide interference free transfer of
the weather data from the sensors to the base station. The data sending interval from the sensors to the base station will also be more frequent compared to using 433MHz transmission and will result in higher
power consumption. Therefore batteries will have a shorter life span for
cable connection compared to using 433MHz.
To operate using cable connection, simply use the enclosed 10 meter
cable and connect the thermo-hygro sensor to the base station. Once
50
the connection is detected, the base station will automatically continue
reading the data from the sensor.
The user may at any time switch from cable connection to using
433MHz (or vice versa) by simply disconnecting (or connecting) the
cable from the base station to the sensor. When the base station detects no cable connection to the sensors, the existing data reading interval is changed to the new reading interval, i.e. using cable connection
is every 8 seconds data reading interval or from 32 seconds - 128 seconds intervals when using 433MHz (depending on wind speed)
Using the AC adaptor to operate the base station will also supply power
to the sensor if the cable is connected to it. Batteries used for 433MHz
transmission may be left in the sensor when using cable connection for
power back-up in case of AC power failure. A loss of power would desynchronize the base station and the sensor and no weather data will
be received. To Synchronize the units so that the weather data can be
received, press and hold the PLUS(+) for 2 seconds. However in general, batteries that will not be used for long periods should be removed
to avoid leakage.
Wireless 433MHz transmission:
Using 433MHz wireless transmission of weather data from the sensor to
the base station will provide users greater freedom as to where units
can be positioned without the need to be restricted by cable.
Note:
If no outdoor weather data is displayed or the signal to the sensors is
lost during setting up, mounting, changing of batteries to the sensor or
plugging or unplugging cables, simply press and hold the PLUS(+) key
for 2 seconds and a short beep will sound to synchronize the base station to sensors. Without being synchronized, weather data will not be
received.
51
Wind direction and speed (m/s, knots,
13
15
19
7. LCD Overview
The following illustration shows the full segments of the LCD for description purposes only and will not appear like this during normal operation
and use.
1. Low battery indicator
2. DCF77 radio controlled time icon
3. Date display
4. Time zone display
5. Date, seconds, alarm time and time
6. Alarm icon
7. Weather forecast icons
8. Weather tendency indicator
9. Pressure alarm display
10. hPa/inHg air pressure unit
11. Pressure units (relative or absolute)
12. 433MHz reception icon
13. Rainfall display
14. Indoor, outdoor, humidity, dew point,
11
20
21
22
24
25
26
zone
wind chill, rainfall alarm icon
1
3
2
15. 24h, 1h or total hour display
16. Humidity display as RH%
17. Rainfall units (inch or mm)
18. Temperature display units (ºC or ºF)
19. Outdoor temperature/humidity display
20. Indoor temperature/humidity display
21. Dew point temperature display
22. Wind chill temperature display
23. Wind alarm icon
24. Wind information for Min/Max speed
25.
26. Alarm buzzer ON/OFF icon
27. General alarm icon
4
5
6
7
8
9
10
12
14
16
17
23
18
27
and wind speed low, high, direction
alarm
Beaufort, km/h or mph) display
52
8. Function test:
Once the weather station is powered up, perform a function test by
checking that the weather data is received. To do this, press the either
DISPLAY, PRESSURE or WIND keys to toggle through the relevant
LCD sections:
1) Indoor temperature and humidity
2) Outdoor temperature and humidity
3) Outdoor wind chill
4) Dew point
5) Rainfall 24 hour
6) Rainfall 1hour
7) Rainfall Total
8) Relative and absolute pressure
9) Wind speed, wind direction and wind direction in degrees
If any readings cannot be received from the sensors, lines (- - -) will be
displayed in the respective weather sections of the LCD. In this case,
check that all cables are correctly inserted into the correct sockets and
press and hold the PLUS(+) key for 2 seconds and a short beep will
sound to synchronize the base station to the sensors otherwise no
weather data will be received.
Some weather readings such as wind speed and direction may not
appear immediately on the LCD if the wind-fan or vane of the wind sensor is moved. This is due to the set reading time intervals for the wind
readings. However the current wind speed or direction will be displayed
once the time reading interval is reached. For rainfall, the interval readings may take up to 2 minutes before the data is displayed on the LCD.
9. Mounting
Important Note
Prior to drilling mounting holes and permanently affixing any of the units,
please ensure the following points are considered:
• Cable lengths of the units meet with your distance requirements at
the point of fixing
• Signals from the sensors can be received by the base station at
points of mounting
• Radio controlled time signal can be received at the point of mounting
53
Base Station
With two foldable legs at the back of the unit, the base station can be
placed onto any flat surface or wall mounted at the desired location by
the hanging holes also at the back of the unit. It is important to check
that the 433MHz (if using wireless connection) and the DCF77 radio
controlled time signal can be received before permanently mounting any
of the units. Should the base station not display the 433MHz weather
data from the sensors or the radio controlled time from the desired location, then relocate the units. Once the signals are received, the system
can be affixed. Also if you have selected to use cable connection, ensure that distances can reach all desired locations before affixing any
unit permanently
Mounting the Wind Sensor onto a mast
Wind-vane
Wind-fan
Firstly, check that the wind-fan and the wind-vane can rotate freely
before fixing the unit. For correct and accurate readings it is important
to mount the sensor so that the front (marked E) is pointing in EastWest direction. The wind sensor should now be mounted using the
screw provided onto a mast to allow the wind to travel around the sensor unhindered from all directions (ideal mast size should be from
Ø16mm – Ø33mm).
Once the wind sensor is fixed onto the mast, connect the cable to the
corresponding thermo-hygro sensor socket so that operating power
supply can be received and data can be transmitted to the base station.
Mast
54
Mounting the Rain Sensor
Funnel portion
Base portion
For best results, the rain sensor should be securely mounted onto a
horizontal surface about 1 meter above the ground and in an open area
away from trees or other coverings where rainfall may be reduced causing inaccurate readings.
When securing into place, check that rain excess will not collect and
store at the base of the unit but can flow out between the base and the
mounting surface (test by pouring clean water).
After mounting the rain sensor, connect the cable to the thermo-hygro
sensor at the corresponding socket so power supply can be received
and data be transmitted to the base station
The rain sensor is now operable. For testing purposes, very slowly pour
a small amount of clean water into the rain sensor funnel. The water will
act as rainfall and will be received and displayed at the base station
after about 2 minutes delay i.e. when the reading interval is reached (to
clear this testing data on the base station, refer to the section “MIN/MAX Mode” below).
55
Mounting the thermo-hygro Sensor
Rain Cover
An ideal mounting place for the thermo-hygro sensor would be the outer
wall beneath the extension of a roof, as this will protect the sensor from
direct sunlight and other extreme weather conditions.
To wall mount, use the 2 screws to affix the wall bracket to the desired
wall, plug in the thermo-hygro sensor to the bracket and secure both
parts by the use of the supplied screw and ensure that the cables from
the wind and rain sensors are correctly plugged in otherwise data
transmission errors could occur.
10. Resetting & factory settings:
As previously mentioned, in the event of a power reset to the sensor (for
example a change of batteries), the base station has to synchronize to
the sensor again otherwise no weather data will be received. To do
this, simply press and hold the PLUS(+) key for 2 seconds and a short
beep will sound to synchronize the base station to the sensor. When
the units are synchronized, the data will be received again and the base
station will return to normal operation mode.
Do not reset the power of the base station otherwise all 175 sets of
recorded weather history data for transferring to the PC will be lost (for
full details of PC use, please see PC user manual in the enclosed
Heavy Weather CD-ROM).
Main Unit
Wall Bracket
56
However if you wish to make a full reset of the base station and return
to the original factory settings, simultaneously press and hold the
PRESSURE and WIND keys for about 5 seconds. The base station will
beep once and the entire LCD will light up for 5 seconds and go back to
the original factory settings. This process with clear all previous user
defined values and all weather history recordings.
Factory default settings:
The following table shows the factory default values of the weather
station:
Matter: Default Setting:
Time 0:00
Date 01.01.2001
Time zone 0
Alarm time 0:00
Relative air pressure 1013.0 hPa
Weather-picture threshold 3 hPa
LCD contrast level 5 (1-8 levels)
Rainfall per impulse 0.518mm
Storm alarm 5 hPa
Relative air pressure
alarm
Indoor temperature alarm 10.0ºC (low) 30.0ºC (high)
Outdoor temperature
alarm
Indoor humidity alarm 35%RH (low) 65%RH (high)
Outdoor humidity alarm 45%RH (low) 70%RH (high)
Wind chill alarm 10.0ºC (low) 30.0ºC (high)
Dew point alarm 0.0ºC (low) 30.0ºC (high)
Rainfall 24h alarm 50.0mm
Rainfall 1h alarm 1.0mm
Wind Speed 1km/h (low) 100km/h (high)
Wind direction alarm None set
Note:
All alarm default values are deactivated at the start up and any alarm
must be activated by the user otherwise it will not sound.
960.0 hPa
(low)
1040.0 hPa
(high)
0.0ºC (low) 40.0ºC (high)
57
LCD Section 1:
LCD Section 3
LCD Section 4:
LCD Section 2:
11. Function Description of the Weather Station
After setting up, the following data will be displayed in different sections
on the LCD. If this is not the case please observe the notes on “Inter-
ferences” below.
Time & Date (LCD Section 1)
If the DCF77 icon (icon 2) is ON and not flashing, it means that the
DCF77 radio-controlled time and date are has been received. Press the
PLUS(+) key to change the format of date display between
date/month/year, weekday/date/month, seconds, alarm set time and
time zone.
Weather forecasting (LCD Section 2)
The three weather icons Sunny, Cloudy and Rainy represent the
weather forecasting. There are also two weather tendency indicators to
show the air pressure tendency either side of the weather icons.
Sunny
Cloudy
Time, date, seconds, time zone
Weather forecasting icons with
tendency arrows, air pressure,
and respective alarms sections
Indoor and outdoor temperature
and relative humidity, wind chill,
dew point, rainfall, and respective alarms sections
Wind direction, wind speed,
and respective alarms sections
:
Rainy
58
Notes to hPa sensitivity setting for weather forecasting:
The hPa (Hekto-Pascal) pressure sensitivity can be set to suit the user’s
requirement for weather forecasting from 2 hPa to 4 hPa (see Basic Programming below). For areas that experience frequent changes in
air pressure (which does not necessarily reflect a change in the
weather) requires a higher hPa setting compared to an area where the
air pressure is stagnant. For example if 3 hPa is selected, then there
must be a fall or rise in air pressure of at least 3 hPa before the weather
station will register this as a change in weather.
Air Pressure (LCD Section 2)
The air pressure reading is displayed here. Press the PRESSURE key
to toggle between relative and absolute air pressure displays.
Notes to Absolute and Relative Air Pressure:
Absolute air pressure provides the display of the true measured air
pressure of the current time and location. This is not programmable and
the absolute air pressure range of the weather station is from 300 hPa
to 1099 hPa (standard air pressure at an altitude of 9,100 meters is
around 300 hPa).
Relative air pressure is the one value that is calculated back to sea level
from the local absolute air pressure and can thus be taken as a reference for weather condition and weather development for the entire
country. It can be programmed to represent your local surroundings.
Since the relative air pressure is also the one value given by various
newspapers, TV and radio broadcasting stations in their daily weather
forecasts for their respective locations, users can set the relative air
pressure of the weather station to this value to represent readings your
their area (see Basic Programming Modes below).
Weather Data (LCD Section 3)
Indoor temperature and humidity are displayed simultaneously in this
section. Use the DISPLAY key to toggle through the displays for other
weather information:
- Outdoor temperature/humidity
- Outdoor wind chill
- Outdoor dew point
- Rainfall 24h
- Rainfall 1h
- Rainfall total.
59
Notes to Dewpoint and Windchill:
Air can at a certain temperature only carry a certain amount of water
(water vapor), which also increases and decreases with temperature. If
the air temperature decreases below the so called dewpoint (saturation
point), the excessive water vapor will condense and fall out in form of
dew, fog or rain. At a temperature of e.g. 15°C and a relative humidity of
50% the dewpoint will be about 5°C, at 80% humidity about 12°C. At a
relative humidity of 100% saturation is reached, i.e. the dewpoint is
15°C. At a dewpoint below freezing the fallout will become frost or snow.
Windchill has been introduced for battle planning during World War II. It
represents not the real measured but the one temperature a person
feels in open area under the influence of wind and cold. Windchill is laid
out in tables for various temperatures and wind speeds. At an outdoor
temperature of e.g. 8°C and calm winds a person moving at a speed of
6 m/s will already feel a windchill temperature of 0°C.
Wind Data (LCD Section 4)
The current wind direction will be displayed on the LCD compass on the
wind section. Press the WIND key to toggle between wind direction as
numerical (e.g. 225°) and abbreviated characters (e.g. SW) as well as
numerical wind speed display inside the compass circle.
12. Operation keys
The base station has 8 keys for easy operation. Please refer to the
following table for use and function of each key: Further descriptions of
the key functions with regard to their immediate range of application can
be found in the Programming modes:
SET - key - In normal mode to enter the manual basic
programming mode
- In basic programming mode to select the
following setting modes:
- LCD contrast setting
- Manual time setting (hours/minutes)
- 12/24 time format display
- Calendar setting (year/month/date)
- Time zone setting
- °C/°F temperature setting
- Wind speed unit setting
- Rainfall unit setting
60
- Pressure unit setting
- Relative air pressure setting
- Weather picture threshold setting
- Storm warning setting
- Acoustic storm alarm setting
- In setting modes confirmation of the selected
values
- In alarm modes alarm ON/OFF
- In alarm mode to enter programming of
alarm values (long pressing)
- To exit MIN/MAX modes
PRESSURE key
DISPLAY - key - Toggle between the following current/ maxi-
WIND - key To toggle between the following settings:
ALARM - key - In normal mode to enter the alarm program-
- Toggle between Absolute and Relative air
pressure displays
mum/ minimum display modes:
- Indoor temperature and humidity
- Outdoor temperature and humidity
- Outdoor wind chill
- Outdoor dew point
- Rainfall (24h, 1h, total)
- Wind speed
- Wind direction
- Wind direction display in degrees
ming mode
- In alarm programming mode to select the
following setting modes:
- Time alarm setting
- Indoor temperature alarm (high & low)
- Outdoor temperature alarm (high & low)
- Indoor humidity alarm (high & low)
- Outdoor humidity alarm (high & low)
- Outdoor wind chill alarm (high & low)
- Outdoor dew point alarm (high & low)
- Rainfall alarm (24h, 1h)
- Pressure alarm (high & low)
- Wind speed alarm (high & low)
- Wind direction alarm
- In setting modes confirmation of the selected
values
- To exit MIN/MAX modes
- To reset general alarm symbol
61
MIN/MAX - key - In normal display mode to toggle between
PLUS(+) – key - In normal display mode to toggle between
MINUS(-) – key - In normal display mode to enable/disable the
*
Press any key to activate the LED Backlight
display of MIN/MAX values
- To toggle between MIN/MAX values in
MIN/MAX mode
- To exit any programming mode
format of date display, seconds, time alarm
and time zone
- To increase the values in the setting modes
- To exit MIN/MAX modes
- In normal display mode to re-enter data
learning mode (long pressing for 2 seconds)
buzzer alarm (long pressing)
- To decrease the values in the setting modes
- In basic programming mode acoustic storm
alarm ON/OFF
- To turn the alarms off 24 hours when the
alarm is sounding
- In MIN/MAX modes to resets recorded values
and recorded dates and times
13. Basic Programming Modes
Manual Setting modes
The manual setting mode allows the user to change several basic settings, which is done by accessing one mode after the other simply by
pressing the SET key. After the final mode, or if no key is pressed for 30
seconds, the manual setting returns to the normal display mode.
The manual setting takes the user through the following modes:
1. 8 level LCD contrast setting (default level 5)
2. Manual time setting (hours/minutes)
3. 12/24h time display select (default 24 hours)
4. Calendar setting (year/month/date)
5. Time zone setting ±12 hours (default 0)
6. Temperature display unit degree Celsius or Fahrenheit (default
degree Celsius)
7. Wind speed display units in m/s, km/h, mph, Beaufort, knots
(default setting km/h)
8. Rainfall display in mm or inch (default setting mm)
9. Air pressure display in hPa or inHg (default setting hPa)
62
10. Relative air pressure setting from 920.0 hPa – 1080.0 hPa (default 1013.0 hPa)
To change any of the above values, once your are in the setting mode,
use the PLUS(+) or MINUS(-) keys to select the values followed by the
SET key to enter the next setting. Continue to press the SET key to
toggle through the setting mode until the LCD returns to the normal
display mode or press the MIN/MAX key at any time to exit.
Note!
Keeping the PLUS(+) or MINUS(-) key depressed when setting certain
units in the manual setting mode will increase/decrease digits in greater
steps.
Manual time setting
The base station will continue to scan for the radio controlled time signal
from 2am-6 am each day (winter time) or from 3am-6am (summer time)
despite it being manually set. During reception attempts the DCF tower
icon will flash.
• If reception has been unsuccessful, then the DCF77 tower icon
will not appear but reception will still be attempted the following
hour within the time frame
•
If reception has been successful, the received time and date
will overwrite the manually set time and date and no further reception is attempted until the following day
14. MIN/MAX Programming Modes
MIN/MAX display Mode
The MIN/MAX Mode provides the user with information about the
MIN/MAX values of all weather data together with the time and date at
which these values were recorded.
Entering each MIN/MAX mode
In the normal display mode for e.g. the indoor temperature and humidity, press MIN/MAX key to toggle the display between the maximum,
63
minimum and current records. While the maximum or minimum values
are shown press the DISPLAY key once to show the time and date that
value was received. Now press the MIN/MAX key to toggle from the
minimum and maximum readings and the time and dates the records
were received are also shown. Still in the MIN/MAX mode (where the
time and date for a value are shown), press the DISPLAY key to move
through each respective unit as follows:
• Indoor temperature (max or min with time and date)
• Indoor humidity (max or min with time and date)
• Outdoor temperature (max or min with time and date)
• Outdoor humidity (max or min with time and date)
• Outdoor wind chill (max or min with time and date)
• Outdoor dew point (max or min with time and date)
• Rainfall 24 hours (max or min with time and date)
• Rainfall 1 hour (max or min with time and date)
• Rainfall total (max only with time and date)
When in any of the above modes, press the MIN/MAX key to toggle
between the maximum or minimum values of those records and their
respective time and dates will also be shown.
For the wind and pressure minimum and maximum readings, the same
would apply except that the WIND or PRESSURE keys would be used
instead of the DISPLAY KEY.
Exiting the MIN/MAX modes
If the maximum and minimum modes with times and dates are displayed, press the PLUS(+) key twice to return the normal display mode.
Resetting the MIN/MAX records
Whilst in the minimum or maximum mode, the time and dates are also
displayed along with the recorded values. If the MINUS(-) key is
pressed whilst any of these values are displayed, that particular minimum or maximum record will be reset to current reading together with
the current time and date with the exception of the following:
The first case is Rainfall Total, which has neither maximum nor
minimum records since it will show only the total rainfall. Pressing
the MINUS(-) key, will reset the rainfall total value to zero and the
time recording to current time.
64
The second case is Rainfall 24h or 1h, which records maximum
rain count only for these respective times. Pressing the MINUS(-)
key in either of these two modes will reset the rain count to the current rain count and time and date.
15. Alarm Programming Modes
Alarm Modes
As well as the normal time alarm, this feature will allow users to set a
range of specific alarms to meet specific weather and temperature conditions set by the user. The weather station allows for the following 13
alarms modes to be set:
1. Time alarm
2. Indoor temperature high alarm and low alarm
3. Outdoor temperature high alarm and low alarm
4. Indoor humidity high alarm and low alarm
5. Outdoor humidity high alarm and low alarm
6. Wind chill high alarm and low alarm
7. Dew point alarm high alarm and low alarm
8. Rainfall 24h alarm
9. Rainfall 1h alarm
10. Pressure high alarm and low alarm
11. Wind speed high alarm and low alarm
12. Wind direction alarm
13. Storm warning alarm
Setting Alarms:
For alarm setting, press the ALARM key once whilst in normal operation
mode to enter the normal alarm time and by further pressing the
ALARM key will toggle through each of the alarm modes:
Note:
The alarm icon will automatically appear upon pressing the SET
key to tell the user the alarm is activated. Further pressing the SET
key will deactivate/reactivate the alarm.
Time alarm setting
1) Press the ALARM key to enter the normal time alarm
2) Press and hold the SET key to enter the alarm hour time set mode
(the hour digits will flash) and set the desired hour by using the
PLUS(+) or MINUS(-) keys
65
3) Press the SET key to enter the alarm minute time set mode (the
minutes digits will flash) and set the desired minutes using the
PLUS(+) or MINUS(-) keys
4) Press ALARM key to confirm followed by the MIN/MAX key to return to the normal display mode.
Indoor temperature high alarm and low alarm setting
1) Press the ALARM key to enter the normal time alarm
2) Press the ALARM key again to enter indoor temperature high alarm
set mode
3) Press and hold the SET key to enter the indoor temperature high
setting values (digits will start flashing) and set the desired indoor
temperature high by using the PLUS(+) or MINUS (-) keys
4) Press ALARM key to confirm and press the MIN/MAX key to return
to the normal display mode or press the ALARM once more to toggle
to the indoor temperature low alarm set mode.
5) Press and hold the SET key to enter the indoor temperature low
setting values (temperature digits will start flashing) and set the desired indoor temperature low by using the PLUS(+) or MINUS(-) keys
6) Press ALARM key to confirm and press the MIN/MAX key to return
the normal display mode or press the ALARM once more to toggle to
another alarm setting mode.
Outdoor temperature high alarm and low alarm setting
1) Press the ALARM key to enter the normal time alarm
2) Continue to press the ALARM key until you reach the outdoor tem-
perature high alarm set mode
3) Press and hold the SET key to enter the outdoor temperature high
setting values (temperature digits will start flashing) and set the desired outdoor temperature high by using the PLUS(+) or MINUS (-)
keys
4) Press ALARM key to confirm and press the MIN/MAX key to return
to the normal display mode or press the ALARM once more to toggle
to the outdoor temperature low alarm set mode.
5) Press and hold the SET key to enter the outdoor temperature low
setting values (digits will start flashing) and set the desired outdoor
temperature low by using the PLUS(+) or MINUS(-) keys
6) Press ALARM key to confirm and press the MIN/MAX key to return
the normal display mode or press the ALARM once more to toggle to
another alarm setting mode.
66
Indoor humidity high alarm and low alarm setting
1) Press the ALARM key to enter the normal time alarm
2) Continue to press the ALARM key until you reach the indoor humid-
ity high alarm set mode
3) Press and hold the SET key to enter the indoor humidity high setting
values (% digits will start flashing) and set the desired indoor humidity high by using the PLUS(+) or MINUS (-) keys
4) Press ALARM key to confirm and press the MIN/MAX key to return
to the normal display mode or press the ALARM once more to toggle
to the indoor humidity low alarm set mode.
5) Press and hold the SET key to enter the indoor humidity low setting
values (digits will start flashing) and set the desired indoor humidity
low by using the PLUS(+) or MINUS(-) keys
6) Press ALARM key to confirm and press the MIN/MAX key to return
the normal display mode or press the ALARM once more to toggle to
another alarm setting mode.
Outdoor humidity high alarm and low alarm setting
1) Press the ALARM key to enter the normal time alarm
2) Continue to press the ALARM key until you reach the outdoor
humidity high alarm set mode
3) Press and hold the SET key to enter the outdoor humidity high set-
ting values (digits will start flashing) and set the desired outdoor humidity high by using the PLUS(+) or MINUS (-) keys
4) Press ALARM key to confirm and press the MIN/MAX key to return
to the normal display mode or press the ALARM key once more to
toggle to the outdoor humidity low alarm set mode.
5) Press and hold the SET key to enter the outdoor humidity low setting
values (digits will start flashing) and set the desired outdoor humidity
low by using the PLUS(+) or MINUS(-) keys
6) Press ALARM key to confirm and press the MIN/MAX key to return
the normal display mode or press the ALARM once more to toggle to
the to enter another alarm setting mode.
Wind chill high alarm and low alarm setting
1) Press the ALARM key to enter the normal time alarm
2) Continue to press the ALARM key until you reach the wind chill high
alarm set mode
3) Press and hold the SET key to enter the wind chill high setting val-
ues (digits will start flashing) and set the desired wind chill high by
using the PLUS(+) or MINUS (-) keys
67
4) Press ALARM key to confirm and press the MIN/MAX key to return
to the normal display mode or press the ALARM key once more to
toggle to the wind chill low alarm set mode.
5) Press and hold the SET key to enter the wind chill low setting values
(digits will start flashing) and set the desired wind chill low by using
the PLUS(+) or MINUS(-) keys
6) Press ALARM key to confirm and press the MIN/MAX key to return
the normal display mode or press the ALARM once more to toggle to
another alarm setting mode.
Dew point alarm high alarm and low alarm setting
1) Press the ALARM key to enter the normal time alarm
2) Continue to press the ALARM key until you reach the dew point high
alarm set mode
3) Press and hold the SET key to enter the dew point setting values
(digits will start flashing) and set the desired dew point high by using
the PLUS(+) or MINUS (-) keys
4) Press ALARM key to confirm and press the MIN/MAX key to return
to the normal display mode or press the ALARM key once more to
toggle to the dew point low alarm set mode.
5) Press and hold the SET key to enter the dew point low setting values
(digits will start flashing) and set the desired dew point low by using
the PLUS(+) or MINUS(-) keys
6) Press ALARM key to confirm and press the MIN/MAX key to return
the normal display mode or press the ALARM once more to toggle to
another alarm setting mode.
Rainfall 24h alarm setting
1) Press the ALARM key to enter the normal time alarm
2) Continue to press the ALARM key until you reach the rain 24 hour
alarm set mode
3) Press and hold the SET key to enter the rain setting values (digits
will start flashing) and set the desired rain values by using the
PLUS(+) or MINUS (-) keys
4) Press ALARM key to confirm and press the MIN/MAX key to return
to the normal display mode or press the ALARM key once more to
toggle to another alarm setting mode.
Rainfall 1h alarm setting
1) Press the ALARM key to enter the normal time alarm
68
2) Continue to press the ALARM key until you reach the rain 1 hour
alarm set mode
3) Press and hold the SET key to enter the rain setting values (digits
will start flashing) and set the desired rain values by using the
PLUS(+) or MINUS (-) keys
4) Press ALARM key to confirm and press the MIN/MAX key to return
to the normal display mode or press the ALARM key once more to
another alarm setting mode.
Pressure high alarm and low alarm setting
1) Press the ALARM key to enter the normal time alarm
2) Continue to press the ALARM key until you reach the pressure high
alarm set mode
3) Press and hold the SET key to enter the pressure setting values
(digits will start flashing) and set the desired pressure high by using
the PLUS(+) or MINUS (-) keys
4) Press ALARM key to confirm and press the MIN/MAX key to return
to the normal display mode or press the ALARM key once more to
toggle to the pressure low alarm set mode.
5) Press and hold the SET key to enter the pressure low setting values
(digits will start flashing) and set the desired pressure low by using
the PLUS(+) or MINUS(-) keys
6) Press ALARM key to confirm and press the MIN/MAX key to return
to the normal display mode or press the ALARM once more to toggle
to another alarm setting mode.
Wind speed high alarm and low alarm setting
1) Press the ALARM key to enter the normal time alarm
2) Continue to press the ALARM key until you reach the wind speed
high alarm set mode
3) Press and hold the SET key to enter the wind speed setting values
(digits will start flashing) and set the desired wind speed high by using the PLUS(+) or MINUS (-) keys
4) Press ALARM key to confirm and press the MIN/MAX key to return
to the normal display mode or press the ALARM key once more to
toggle to the wind speed low alarm set mode.
5) Press and hold the SET key to enter the wind speed low setting
values (digits will start flashing) and set the desired pressure low by
using the PLUS(+) or MINUS(-) keys
69
6) Press ALARM key to confirm and press the MIN/MAX key to return
the normal display mode or press the ALARM once more to toggle to
another alarm setting mode.
Wind direction alarm setting
1) Press the ALARM key to enter the normal time alarm
2) Continue to press the ALARM key until you reach the wind direction
alarm set mode
3) Press and hold the SET key to enter the wind direction setting val-
ues.
4) Using the PLUS(+) or MINUS (-) keys select the desired wind direc-
tion and use the SET key to confirm or cancel each direction input
5) Press ALARM key to confirm and press the MIN/MAX key to return
the normal display mode or press the ALARM once more to toggle to
another alarm setting mode.
Storm warning alarm setting
Unlike the other weather alarms, the storm warning alarm is set by entering the main manual setting mode as follows:
10) Press the SET key to enter the manual setting mode
11) Continue to press the SET key until the Storm warning icon flashes
(tendency arrow flashing downwards with the pressure values flashing)
12) Set the desired hPa pressure value (3 hPa - 9 hPa) using the
PLUS(+) or MINUS(-) keys
13) Press the MIN/MAX key to confirm and return to the normal display.
Storm warning alarm ON/OFF
After storm warning alarm setting, the next mode to appear after pressing the SET key is the storm warning ON/OFF. Use the PLUS(+) or
MINUS(-) key to change the status to AON or AOFF. Default setting is
ON:
Should the air pressure drop equal or below the pre-set hPa value
within the last 6 hour period, then the downward tendency arrow will
flash as an indication of possible storm. The base station will take hourly
measurements as a point of reference. The storm-warning indicator will
stop flashing once the air pressure becomes more stable.
70
Master Alarm – BUZZER OFF
The time and all the weather alarms may have buzzer sound set to OFF
by holding the MINUS(-) key down for about 3 seconds in normal display mode and the BUZZER OFF icon appears on the bottom left of the
LCD. When the BUZZER OFF is displayed, the time and all other
weather alarms when activated will only flash but not sound regardless
if that particular alarm has been set to the ON. To deactivate the
BUZZER OFF, press the MINUS(-) key once more.
General Alarm Icon
The general alarm icon on the bottom right corner of the LCD will appear when any weather alarm is activated to show the user that a set
weather condition has been reached. The activated alarm can be determined by checking the set alarm values against the MIN/MAX values
reached. To deactivate the general weather alarm icon, press the
ALARM key.
Important
When entering the alarm set mode for a specific weather or temperature
condition, the corresponding alarm is automatically enabled (ON) when
the SET key is pressed, regardless of its previous setting and the alarm
value will flash to indicate that it has been activated. Press the ALARM
key to confirm the setting and continue pressing the ALARM key to
toggle through each alarm mode until it returns to the normal display
mode or press the MIN/MAX key at any time to exit the alarm setting
modes.
When a set weather alarm condition has been activated, that particular
alarm will sound and flash for approximately 2 minutes but will continue
to flash until weather conditions have become more steady.
Weather Alarms
The weather alarms are settable for when certain weather conditions
are met according to the users requirements. For example, the user
can set the thresholds for the outdoor temperature to +40°C (high) and 10°C (low), whilste only enabling the high alarm and disabling the low
alarm (i.e. temperatures <-10°C won’t trigger alarm, but temperatures
>+40°C will).
Humidity (all) 1% RH 99% RH
Rainfall 24h 0.0 mm 1000 mm.
Rainfall 1h 0.0 mm 1000 mm
Wind 0.0 m/s 50.0 m/s
-30.0°C +69.9°C
+59.9°C
sound if the minimum
indoor temperature alarm
is set below -9.9ºC.
Hysteresis
To compensate for fluctuation of the measured data, which may cause
the weather alarm to sound constantly if the measured reading is close
to user set level, a hysteresis function has been implemented for each
weather alarm. For example, if the high temperature alarm is set to
+25°C and the current value moves to +25°C, the alarm will be activated
(if it has been enabled). Now when the temperature drops to +24.9°C or
below and thereafter again increases to beyond +25°C, the data will be
blinking, but no alarm will be activated. It has to drop to below +24°C
(with a pre-set hysteresis of 1°C) so that the alarm can be produced
again. Hysteresis values for the various weather data types are given in
the following table:
Weather data Hysteresis
Temperature 1°C
Humidity 3% RH
Air pressure 1 hPa
Rainfall 24h 5.0mm
Rainfall 1h 0.5mm
Wind 10 km/h
16. Auto memory for stored values
The base station has a memory back up system, which is used to
memorize user-defined settings for when the batteries are changed or if
a power failure occurs. User defined units are automatically updated
each time these are changed. The base station will memorize the following user defined units:
72
Telephone Extension Cables
• Time zone
• 12/24h time display mode
• Unit settings (temperature, pressure, rainfall, wind)
• Air pressure offset for calculation of relative air pressure
• Weather picture threshold
• Storm warning threshold
• LCD contrast
• Alarm time
• Weather Alarm thresholds
• State of alarms (enabled/disabled)
• Rainfall total value and reset time/date
17. Accessories: adding cable extensions
For your convenience, additional telephone cables to increase the connection distance between each of the units may be purchased from any
reputable hardware store. Simply add these to the current cables to
extend your cable connection distance.
When securing the cables during mounting, ensure that base station
can receive the weather data since increasing the cables lengths may
also increase levels of interference and result with reception difficulties.
Interference levels will greatly depend on the surrounding area for example setting up on or near metal piping may considerably reduce reception.
For best results, do not to add more than 10 meters of extension cable
from item to item onto the existing cable lengths as this may reduce
reception levels. Again, reception and interference levels will greatly
depend on the surrounding environment at your point of mounting.
73
Note:
It is important to keep all the connected extension heads away from
rain, moisture and other extreme weather conditions as exposure can
cause short circuits and damage to this item.
18. Changing batteries:
Battery change only in the thermo-hygro-sensor:
1. Open the battery cover
2. Remove the old batteries and insert with new ones of the recommended type and replace the cover
Once the sensor is powered up, press and hold the PLUS(+) key for
approx. 2 seconds in the normal display mode, the base station will
sound a short beep and synchronize to the sensor otherwise no weather
data will be received.
Battery change only in the base station:
1. Connect power adaptor to base station and power outlet.
2. Open the battery cover located at the back of the base station.
3. Remove the old batteries, insert with new ones of the recommended type and replace the cover
This method of battery replacement will result in no loss of MIN/MAX
and history data. However in case of possible power failure, the base
station will lose the MIX/MAX and all weather data recordings and will
need to be synchronized to the sensors again by pressing the PLUS(+)
key for 2 seconds.
Note:
When batteries require replacement for the base station, the low battery
indicator will light up on the LCD.
Please participate in the preservation of the environment by properly disposing of all used-up batteries and
accumulators at designated disposal points. Never dispose of batteries in a fire as this may cause explosion,
risk of fire or leakage of dangerous chemicals and
fumes
74
19. Interferences and problems with operation
Problem & cause Remedy
Distance between
transmitters and receiver too long.
High shielding materials between the units
(thick walls, steel, concrete, isolating aluminum foil and etc.)
Interference from other
sources (e.g. wireless
radio, headset,
speaker, etc. operating
on the same frequency)
No Reception after
adding extension cables
Reception then no
reception - loss of
transmission signal
from the sensor to the
base station
Poor contrast LCD or
no reception or low
batteries in sensors or
receiver.
Quite frequently interferences are only of a temporary nature and may
be easily overcome. If there are wireless headsets, remote babysitters
or other devices working on 433MHz in your house or in the vicinity,
their switch-on time is mostly limited. Furthermore most of these devices
allow the change to an interference-free frequency. Such measures will
effectively overcome interferences.
Reduce distance between transmitters
and receiver to receive signal
Find a different location for sensors
and/or receiver. See also Item
‘Transmission Range’ below.
Find a different location for the sensors
and/or base station. Neighbors using
electrical devices operating on the
433MHz signal frequency can also
cause interference with reception
Find a new location for the sensors
and/or base station. Recommend not
adding more than 10 meter extension
cables between units to the existing
cable lengths as this will increase the
chance data reception problems.
Press and hold the PLUS(+) key for 2
seconds to synchronize the base station to the sensors for weather data
reception. If still no signal, then
change the sensor batteries and synchronize the units again.
Check the LCD contrast setting or
change batteries (check low battery
indicator on the LCD)
75
20. Transmission Range
The transmission distance from the thermo-hygro sensor to the base
station in open space under optimum conditions is 100 meters.
Although the signal transmission may travel though solid surfaces or
objects, the following points should be avoided if possible:
- High frequency interferences of any kind.
- Constructions of any kind or trees.
- The distance of transmitter and receiver to conducting planes or
object (including the human body or the ground) does influence the
transmission characteristics and thus the transmission distance.
- Broadband interferences in municipal areas can reach levels re-
ducing the signal/noise ratio over the entire frequency band, thus
also reducing the transmission distance.
- Devices working close by (example a neighbor’s house) may also
influence reception.
- Poorly shielded PCs can cause interferences that will reduce or in
some cases stop reception
21. Cleaning and Maintenance
- Clean the housing and screen of the base station only with a soft
damp cloth. Do not use abrasives or solvents.
- Ensure that the rain sensor does not collect leaves or other dirt by
checking the funnel for blockages every now and then. Also clean
the seesaw of the sensor with a damp cloth and check by lightly
tapping with your finger that it can move freely from side to side.
- Do not clean the funnel with the bottom half of the rain sensor
attached nor the bottom part itself under running water. This may
bear the danger of water entering the unit’s inner parts and cause
damages.
- Do not immerse the base station in water.
- Should there be damage to this product, please do not attempt to
make any repairs. Please take this unit to a qualified technician.
Opening or improper handling of the units will invalidate any guarantee.
76
22. Specifications
Outdoor data
Transmission Distance in Open Field: 100 meters max.
Temperature Range : -29.9°C to +69.9°C (show
“OFL” if outside range)
Resolution : 0.1°C
Measuring Range Rel. Humidity : 1% to 99%
Rain Volume Display : 0 to 999.9mm (1h and 24h
rainfall)
0 to 2499.9mm (Total
rainfall)
Resolution : 0.1mm
Wind Speed : 0 to 180 km/h or 0 to 50 m/s
Resolution : 0.1m/s
Wind Direction : Graphic Resolution 22.5 De-
Pressure/ temperature : 4 times per minute
Indoor Temperature Range : -9.9°C to + 59.9°C (shows
“OFL” if outside range)
Resolution : 0.1°C
Measuring Range Rel. Humidity : 1% to 99%
Resolution : 1%
Relative humidity checking interval : 3 times per minute
77
Measuring Range Air Pressure : 300 hPa to 1099 hPa
(Standard air pressure at an
altitude of 9,100 meters
is around 300 hPa)
Resolution : 0.1 hPa
Alarm duration : 2 minutes (approx.)
Power consumption
Base Station
Batteries : 3 x AA, IEC LR6, 1.5V (Alka-
line recommended)
or AC power : INPUT 230V C 50HZ (use the
provided AC/DC adapter only)
Thermo-hygro sensor : 2 x AA, IEC LR6, 1.5V
Battery life using 433MHz: : approximately 12 months
(alkaline batteries
recommended)
Battery life using cable connection : approximately 6 months
(alkaline batteries
recommended)
Dimensions (L x W x H):
Base Station : 154.7 x 32.3 x 225 mm
Thermo-hygro sensor : 71.5 x 73 x 136 mm
Rain sensor : 140 x 70 x 137 mm
Wind sensor : 291 x 60 x 197 mm
23. Liability disclaimer
• The electrical and electronic wastes contain hazardous substances.
Disposal of electronic waste in wild country and/or in unauthorized
grounds strongly damages the environment
• Please contact your local or/and regional authorities to retrieve the
addresses of legal dumping grounds with selective collection
• All electronic instruments must from now on be recycled. User
shall take an active part in the reuse, recycling and recovery of the
electrical and electronic waste.
• The unrestricted disposal of electronic waste may do harm on pub-
lic health and the quality of environment.
• This product must however not be thrown in general rubbish collec-
tion points.
78
TE Directive
• As stated on the gift box and labeled on the product, reading the
“User manual” is highly recommended for the benefit of the user.
• The manufacturer and supplier cannot accept any responsibility for
any incorrect readings and any consequences that occur should an
inaccurate reading take place.
• This product is not to be used for medical purposes or for public
information.
• This product is only designed to be used in the home as indication
of the future weather and is not 100% accurate. Weather forecasts
given by this product should be taken only as an indication and not
as being totally accurate.
• The specifications of this product may change without prior notice.
• This product is not a toy. Keep out of the reach of children.
• No part of this manual may be reproduced without written consent
of the manufacturer.
For use in:
Germany, Austria, UK., France,
Belgium, The Netherlands, Italy,
Spain, Denmark, Switzerland
R&TTE Directive 1999/5/EC
Summary of the Declaration of Conformity : We hereby declare that this wireless
transmission device does comply with the essential requirements of R&T
1999/5/EC.
79
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