Chung s Electronic 000000-10-001 Wireless Weather Station User Manual
Chung's Electronic Co. Ltd. Wireless Weather Station Users Manual
Users Manual
C8249E-PD10122M (WWVB) Size:105 x 130 (mm)
RADIO CONTROLLED
WIRELESS WEATHER STATION
Instruction Manual & Warranty
FCC Remarks
This device complies with Part 15 of the FCC Rules. Operation
is subject to the following two conditions: (1) This device may
not cause harmful interference, and (2) This device must
accept any interference received, including interference that
may cause undesired operation.
Warning: Changes or modifications to this unit not expressly
approved by the party responsible for compliance could void
the user’s authority to operate the equipment.
NOTE: This equipment has been tested and found to comply
with the limits for a Class B digital device, pursuant to Part 15
of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a
residential installation. This equipment generates, uses and
can radiate radio frequency energy and, if not installed and
used in accordance with the instructions, may cause harmful
interference to radio communications.
However, there is no guarantee that interference will not occur
in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which
can be determined by turning the equipment off and on, the
user is encouraged to try to correct the interference by one or
more of the following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different
from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for
help.
Model SPC502
USD $9.00
1
20
Thank you for your purchase of this delicate clock. The
utmost care has gone into the design and manufacture of
your clock. Please read these instructions carefully and keep
them well for future reference.
The multifunctional weather station is equipped with many
functions providing thorough weather information to you.
The receiver unit has a clear, easy-to-read display that shows
the weather forecast, indoor temperature & humidity, moon
phase, time, month, date as well as the temperature &
humidity measured and transmitted from the remote
sensor.
The 915 MHz technology means no wire installation is
required and you can place the sensor anywhere you like
With radio controlled function, the current time and date are
automatically synchronized with the time signal transmitted
from U.S.A (WWVB).
REMOTE SENSOR
Recommended
operating range:
Resolution:
Humidity measuring range:
Operating range:
Resolution:
RF transmission frequency:
Remote sensor:
RF transmission range:
Temperature sensing cycle:
POWER
Main unit:
Remote sensor:
DIMENSION
Main unit:
Remote sensor:
-20°C to 55°C
-4°F to 131°F
0.1°C/1°F(above 0°C/32°F)
1°C/1°F(below 0°C/32°F)
20%RH to 90%RH
20%RH to 90%RH
1%RH
915MHz
1 unit
maximum 100 meters
around 60-64 seconds
4.5V, use 3 x AA 1.5V alkaline
battery
3V, use 2 x AA 1.5V alkaline
battery
253(W) x 181(H) x 71(D)mm
40(W) x 132 (H) x 24 (D)mm
TABLE OF CONTENCE
Pg1 - Pg6------ Weather Station Main Features
Pg6 - Pg7------ Setting Up the Transmitter
Pg8 - Pg9------ Setting Up the Weather Station
Pg10 - Pg11-- Manually Setting the Time and Calendar
Pg11 - Pg12-- Setting the Alarm and Snooze
Pg12 - Pg17-- Weather Forecast Features
Pg17------------ Low Battery Indicator
Pg18------------ Transmitter Wall Mounting
Pg19 - Pg20-- Weather Station Specifications
within 100 meters.
219
MAIN FEATURES:
WEATHER STATION:
14
15
16
17
18
19
RESET
11
10
12
13
1
2
3
4
5
6
7
8
9
14
15
16
17
18
SPECIFICATION
MAIN UNIT
Recommended operating range:
Resolution:
Humidity measuring range:
Recommended operating range:
Resolution:
Pressure measuring range:
Pressure sampling cycle:
Moon phase scanner range:
Radio controlled signal:
0°C to 45°C
32°F to 113°F
1°C/°F(above 0°C/32°F)
1°C/°F(below 0°C/32°F)
20%RH to 90%RH
20%RH to 90%RH
1%RH1%RH
850mb to 1050mb
15 minutes
from year 2000 to 2099
WWVB
RESET
318
1. MODE key:
•Press it to switch between alarm1 and alarm2.
•Press and hold it for 2 second to enter normal time
setting.
•In normal time setting, press it to step the setting
items.
2. HISTORY key:
•Press it to check the pressure records in the past
24 hours.
3. mb-hPa/inHg key:
•Press it to switch between mb-hPa and inHg.
•Press and hold it for 2 seconds to enter the “rel”
and “abs” switch mode.
4. MAX/MIN key:
•Press it to check the maximum/minimum
temperature & humidity records.
•Press and hold it for 3 seconds to delete the
maximum and minimum records.
5. ALM key:
•In normal mode, press it to turn on/off alarm1 and
alarm2.
•In alarm1/alarn2 mode, press and hold it for 2
seconds to enter alarm time setting.
•In alarm setting mode, press it to step the setting
items.
6. °C/°F key:
•Press it to switch between Celsius and Fahrenheit.
NOTE:
Attention! Please dispose of used unit or batteries in an
ecologically safe manner.
USING THE TABLE STAND OR WALL-MOUNTING STAND
The receiver and transmitter have both the desktop and
wall-mounting structures.
For the receiver, place the screw on the desired wall and
hang the receiver by the recessed hole at the back of the
clock or just simply place it on the desktop by the table
stand.
For the transmitter, fix the separate wall-mounting stand
outside in the area protected from direct rain by the screw.
Once the stand is mounted, place the transmitter into the
stand on the wall. Besides, you can place it on the desktop
by its table stand.
417
•Press and hold it for 3 seconds to receive the RC
signal for reception testing.
7. UP key:
•In setting mode, press it to increase the setting
value.
•Press it to select the channel 1, 2 or 3.
8. DOWN key:
•In setting mode, press it to decrease the setting
value.
•In normal mode or alarm mode, press it switch
between 12 and 24 hour format.
9. SNOOZE/LIGHT key:
•Press it once to turn on the backlight for 5 seconds.
•Press it to stop the current alarm when it is
sounding and enter the snooze mode.
10. WALL-MOUNTING HOLDER:
•Use it to support the main unit on the wall.
11. RESET:
•Press it to reset all values to default values.
•In case of malfunction, the unit may be required to
reset.
12. BATTERY COMPARTMENT:
•Accommodates 3 x AA size batteries (alkaline
batteries recommended).
13. TABLE STAND:
•Support the main unit on the desktop.
in the past 24 hours are displayed in a bar chart below the
BAROMETRIC PRESSURE window.
LOW BATTERY INDICATOR
When the batteries do not have enough power to operate
the main unit, the low battery indicator “ ” will display
beside the moon phase window to remind you to replace
with new batteries.
The indicator “ ” above the outdoor temperature and “ ”
on the LCD of transmitter indicate that the battery power of
transmitter is not enough, and you should replace batteries
at once.
Transmitter’s low battery indicator
(shows on transmitter)
Transmitter’s low battery indicator
(shows on the main unit)
Receiver’s low battery indicator
(shows on the main unit)
516
14.Temperature & Moon phase window:
•Shows the indoor and outdoor temperature, the
max/min temperature records and current moon
phase.
15. Weather forecast window:
•Shows the weather forecast for coming 12 and 24
hours.
16.Barometric pressure window:
•Displays the current barometric pressure data and
indicates the barometric pressure in the past 24
hours.
17.Barometric pressure history chart:
•Displays the barometric pressure trend in the past
24 hours.
18.Calendar window:
•Displays the month, date, day of the week and
alarm time.
19.Clock window:
•Displays clock time, alarm icon and time zone map.
TRANSMITTER:
1. LCD indicator:
•Displays the current temperature and humidity
monitored by the remote unit alternatively.
2. CHANNEL slide switch:
•Assign the transmitter to default Channel 1.
ABOUT THE MOON PHASE
The unit has 8 different moon phases. It will change
according to the lunar calendar.
1. New moon
2. Waxing crescent
3. First quarter
4. W axing gibbous
5. Full moon
6. Waning gibbous
7. Last quarter
8. W aning crescent
PRESSURE RECORDS IN THE PAST 24 HOURS
The current and historical atmosphere is shown in the
BAROMETER PRESSURE window. The atmosphere can be
displayed in mb/hPa or inHg by pressing the “mb-hPa/inHg” key.
To check the pressure history in a particular hour during the
past 24 hours, press the “HISTORY” key. Each press on the
key will go back by an hour. The recorded pressure changes
Slightly cloudy
Cloudy
Rainy
Sunny
1
2
3
4
5
6
7
8
615
3. RESET:
•Press it to restart the transmitter and return all
values to default values.
4. °C/°F:
•Switches between Celsius and Fahrenheit.
5. BATTERY COMPARTMENT:
•Accommodates 2 x AA size batteries.
6. BATTERY DOOR
7. WALL-MOUNTING HOLDER:
•Use it to support the transmitter on the wall.
8. TABLE STAND:
•Use it to stand the transmitter on the desktop.
BEFORE USING THE TRANSMITTER
1. Remove the transmitter from the stand and open the
battery door.
3
2
5
7
8
14
7
6
WEATHER TREND INDICATOR
The pressure-trend indicators show the changes in the
forthcoming few minutes. Arrows indicate a rising, steady
or falling trend.
WEATHER FORECAST INDICATOR
The built-in barometer can notice atmosphere pressure
changes. Based on the data collected, it can predict the
weather conditions in the forthcoming 12-24 hours.
Note:
1. The accuracy of a general pressure-based weather
forecast is about 70% to 75%.
2. The weather forecast is meant for next 12 to 24 hours.
It may not necessarily reflect the current situation.
3. The “Sunny” icon, when applied to nighttime, implies
clear weather.
Max. temp.& humidity records
Min. temp.& humidity records
Arrow indicator
Pressure trend
Rising
Steady
Falling
714
2. Insert 2 x AA size batteries into the battery compartment.
Make sure you insert them the right way according to
the polarity information marked on the battery
compartment.
3. The receiver can receive humidity and temperature data.
Channel 1 is the default channel. Make sure the small
switch in the battery compartment is set to Channel 1.
Press the “RESET” button in the battery compartment
with a pin or paperclip to confirm the channel is set.
Select the temperature unit by pressing the “°C/°F”
button in the battery compartment with a pin or paperclip.
4.
5.
6. Replace the battery door.
NOTE:
1. Avoid placing the transmitter in direct sunlight, rain or
snow.
SETTING UP THE WEATHER STATION
1. Remove the battery door and insert 3 x AA size batteries
into the battery compartment. Make sure you insert them
the right way according to the polarity information
marked on the battery compartment.
2. Replace the battery door.
3. Press the “RESET” button on the back of the clock with
a pin or paperclip to re-start the clock. The clock will
synchronize with the transmitter set to default
Channel 1 automatically.
VIEWING THE CHANNEL
The default channel is Channel 1. In normal time
mode, press “UP” key for 3 seconds, with “beep” tone
sound to view the channel 1 temperature and humidity.
HOW TO READ INDOORAND OUTDOOR TEMPERATURE &
HUMIDITY RECORD
Change the temperature unit to ºC for Celsius or ºF for
Fahrenheit by pressing the “ºC/ºF” key.
Note:
1. If no signal are received or the transmission is
interfered, “—-” will appear on the LCD.
2. Relocated the clock or transmitter in other positions
and make sure the transmission is within the effective
range of 100 meters approx.
3. After several trails in vain, please reset the clock
thoroughly. Try out where your multifunctional alarm
clock receives the signal best.
CHECKING AND DELETING MAX./MIN. TEMPERATURE &
HUMIDITY RECORDS
1. Press the “MIN/MAX” key once to check the maximum
temperature and humidity records. Press it twice to
check the minimum records. Press it again to exit.
2. Press and hold the “MIN/MAX” key for 3 seconds to
delete the maximum and minimum temperature &
humidity records.
8 13
NOTE:
1.
2.
The building material and the position of receiver and
transmitter affect the effective range. So try various
locations to obtain the best result.
Place the units away from metal objects and electrical
appliances to minimize the interference. Position the
receiver and transmitter within the effective transmission
range: 30 meters in usual circumstances.
DAYLIGHT SAVINGS TIME (DST)
The clock has been programmed to automatically switch
when the daylight savings time is in effect. Your clock will
show “DST” during the summer.
RECEPTION OF RADIO CONTROLLED TIME SIGNAL
The time and date are radio-controlled. The current time
and date are automatically synchronized with the time
signal transmitted from U.S.A (WWVB)
When used for the first time (after inserting the batteries or
pressing the “RESET” key), the clock will start to receive the
RC signal in 5 minutes with the signal strength indicator
flashing.
1. Get the atmosphere pressure data of the sea level (it is
also the relative atmosphere pressure data of your home
area) through the local weather service, internet and
other channels.
2. Press and hold “mb-hPa/inHg” key for 2 seconds until
“abs” or “rel” icon flashes.
3. Press “UP”/”DOWN” key to switch to “rel” mode.
4. Press “mb-hPa/inHg” key once again until the “rel”
atmosphere pressure digit flashes.
5. Press “UP” or “DOWN” key to change its value.
6. Press “mb-hPa/inHg” key to save and exit the setting
mode, or let it exit automatically 30 seconds later without
pressing any key.
NOTE:
1. The default relative atmosphere pressure value is 1013
mb/hPa (29.91 inHg), which refers to the average
atmosphere pressure.
2. When you change the relative atmosphere pressure
value, the weather indicators will change along with it.
3. The built-in barometer can notice the environmental
absolute atmosphere pressure changes. Based on the
data collected, it can predict the weather conditions in
the forthcoming 12-24 hours. Therefore, the weather
indicators will change according to the detected absolute
atmosphere pressure after you operate the clock for 1
hour.
4. The relative atmosphere pressure is based on the sea
level, but it will change with the absolute atmosphere
pressure changes after operating the clock for 1 hour.
9
12
SIGNAL STRENGTH INDICATOR
The signal indicator displays signal strength in 3 levels.
Wave segment flashing means time signals are being
received. The signal quality could be classified into 3 types:
If the RC clock receives signal successfully, a sync-time
symbol “ ”will appear on the LCD.
The unit has already synchronized with the time signal
transmitter. Otherwise the segment will disappear from the
LCD display.
NOTE:
You may use the “°C/°F” key to receive the time signal
manually. Be caution of using the RECEIVE mode, which
will consume more battery power and thus may reduce the
battery lifetime. The RECEIVE mode will be off automatically
in 6-12 minutes.
SUGGESTION:
Make sure you read the instructions before operating this
delicate clock. We have developed this sophisticated
instrument for the best reception performance; however, the
signal transmitted from USA Atomic Clock transmitter will
be affected in certain situations. We advise you to note the
following instructions:
2. The dual-alarm (ALM1 & ALM2) design of this unit will
provide you with more convenience, and you can set
two-alarm time if needed.
USING ALARM & TEMPERATURE PRE-ALARM FUNCTIONS
1. Set the alarm time as described in the previous section.
2. Press “ALARM ON/OFF” key once to turn on alarm1,
press it twice to turn on alarm2, with the bell icon“ 1 ”
(“ 2”)displays on the LCD. Press it again to turn off
both alarm1 and alarm2, with the icons disappear.
NOTE:
1. If set the temperature pre-alarm is ON, the temperature
pre-alarm can sound 30 minutes earlier than the alarm
only when the outdoor temperature is below -3°C (26°F).
2. If no key is pressed during the alarm period, the alarm
will turn off automatically. You can press “SNOOZE/
LIGHT” key to stop the current alarm and enter the
snooze mode. With the bell icon keep flashing.
3. Once the snooze function is turned on, the 4-step
crescendo alarm will sound 13 times in 5-minute
interval. The alarm duration is 120 seconds.
RELATIVE ATMOSPHERE PRESSURE SETTING
The “rel” display on the LCD is the abbreviation of “relative”,
which refers to the relative atmosphere pressure based on
the sea level; while “abs” is the abbreviation of “absolute”,
which means the absolute atmosphere pressure of your
location. You can set the relative atmosphere pressure value
according to the following steps:
Weak signal quality
Acceptable signal qualityExcellent signal quality
10 11
1. It is strongly recommended to start this clock at night
and let the clock receive the signal automatically during
midnight.
2. Always place the unit away from interfering sources
such as TV set, computer, etc.
3. Avoid placing the unit on or next to metal plates.
4. Closed area such as airport, basement, tower block or
factory is not recommended.
5. Do not start reception in moving articles such as
vehicles or trains.
TIME AND CALENDAR SETTING
If you are out of reach of the Radio Controlled transmitter or
if the reception is not reachable, the time and calendar can
be set manually, as soon as the signal of transmitter is
received again, the clock will automatically synchronized
with the exact time and calendar.
1. In normal time mode, press and hold the “MODE” key
for 2 seconds to enter the normal time setting mode.
2. Press the “UP” or “DOWN” key to change the value of
the flashing Hour digit.
3. Repeat the above operations to set time and calendar
in this order: Time Zone > Year > Month > Date > DST >
Hour> Minute> Second > Day language.
4. The time zone setting are represented by the below
abbreviations: P=Pacific M=Mountain C=Central
E=Eastern
5. The 5 languages weekday setting are represented by
the below abbreviations: GB=English FR=French
DE=German ES=Spanish IT=Italian
6. Press “MODE” key to save and exit the setting mode. Or
let it exit automatically 30seconds later without pressing
any key.
ALARM AND SNOOZE SETTING
1. In normal time mode, press “MODE” key once to select
the alarm1 or alarm2.
2. In alarm1/alarm2 mode, press and hold “ALM ON/OFF”
key for 2 seconds until alarm Hour digit flashes.
3. Press “UP” or “DOWN” key to change the value.
4. Repeat the above operations to set time and calendar
in this order: Hour > Minute > Temperature pre-alarm
ON/OFF.
5. Press “ALM ON/OFF” key to save and exit the setting, or
let it exit automatically 30 seconds later without pressing
any key.
NOTE:
1. The alarm will be automatically turned on when you set
the alarm time with the icon “ 1” or “ 2” displayed.
SON
MON
DIE
MIT
DON
FRE
SAM
DIM
LUN
MAR
MER
JEU
VEN
SAM
DOM
LUN
MAR
MIE
JUE
VIE
SAB
DOM
LUN
MAR
MER
GIO
VEN
SAB
English
Germany
French
Spanish
Italian
SUN
MON
TUE
WED
THU
FRI
SAT