La Crosse Technology WS6304 User manual

WS6304 User Manual
Features:
 DCF Radio control time function
 Perpetual Calendar Up to Year 2099
 Day of week in 15 languages user selectable: English, German, French, Spanish, Italian, Dutch, Danish, Portuguese,
Norwegian, Swedish, Polish, Finnish, Czech, Hungarian, and Russian
 Time in optional 12/24 hour format.
 Two daily alarms
 Automatic snooze function (OFF or 5~60min)
 The moon phase display
 Temperature:
— Indoor temperature measurement ranges: 0°C (32°F) ~ 50°C (122°F)
—Remote temperature measurement ranges: -40°C (-44°F) ~ 70°C (158°F)
— Temperature alternatively in °C or °F.
—Remote thermometer and frost alert
 Humidity: Indoor & Remote measurable range: 20%RH ~ 95%RH
 Minimum/maximum display for air humidity and temperature
 Display of comfort and mold risk
 Wireless Remote Sensor (3pcs):
— Wall Mount or Table Stand
— 3 Wireless Thermo/hygro Sensor Included
— 433.92MHz RF transmitting frequency
— 60 meter transmission range in an open area
—Up to 3 wireless outdoor sensors can be connected.
— Maximum transmit power: <+10mW
 Atmospheric pressure:
— Atmospheric pressure measurement ranges: 600 hPa/mb to 1100 hPa/mb -- 17.72 inHg to 32.50 inHg
— Pressure alternatively in hPa/mb or inHg
 The weather forecasting function
 Power Supply:
Weather Station:
Battery: 2 x LR6 AA
Equipment power input: DC 5V 600mA (dedicated power adapter)
Wireless Remote Sensor:
Battery: 2 x LR03 AAA

WS6304 User Manual
F.Y.I.:
The wireless remote sensor can work at -30°C to +70°C. Please choose the right battery according to the limit
temperature of the wireless sensor:
Alkaline zinc manganese battery can work at -20°C to +60°C
Polymer lithium ion rechargeable battery can work at -40°C to +70°C.
Weather Station Appearance

WS6304 User Manual
Part A-Positive LCD

WS6304 User Manual
A1: Weather Forecasting A2: Temperature of Wireless Remote Channel 1
A2: Mold Risk of Wireless Remote Channel 1 A4: Humidity of Wireless Remote Channel 1
A5: Comfort Index of Wireless Remote Channel 1 A6: Temperature of Wireless Remote Channel 2
A7: Mold Risk of Wireless Remote Channel 2 A8: Humidity of Wireless Remote Channel 2
A9: Comfort Index of Wireless Remote Channel 2 A10: Month and date
A11: Time A12: Temperature of Wireless Remote Channel 3
A13: Mold Risk of Wireless Remote Channel 3 A14: Humidity of Wireless Remote Channel 3
A15: Comfort Index of Wireless Remote Channel 3 A16: Atmospheric pressure
A17: Temperature of Indoor A18: Mold Risk of Indoor
A19: Humidity of Indoor A20: Comfort Index of Indoor
A21: Moon phase A22: Week Day
Part B – Back button and power
B1: “ ” button B2: “ ” button
B3: “ ” button B4: “ ” button
B5: “ ” button B6: “▲” button
B7: “▼” button B8: Battery compartment
B9: Support frame B10: Power supply socket
Part C –Wireless Remote Sensor:
C1: LCD display – Temperature
C2: LCD display – Humidity
C3: Transmit signal LED
C4: “°C/°F” button
C5: “TX” button
C6: “CHANNEL 1 or 2 or 3” switch
C7: Battery compartment

WS6304 User Manual
Initial operation:
 First, open the battery slots of the three remote wireless sensors respectively, first set the number of
channels, set them in channel 1, channel 2 and channel 3 respectively, and then install the 2 x "AAA" 1.5V
battery according to the battery polarity direction.
 When the wireless sensor is loaded into the battery, all the icon on the LCD display will briefly light up for 3
seconds, and detect the temperature and humidity of the sensor, At the same time, LED lights flicker once,
the wireless sensors automatically transmit wireless signals.
 According to the appearance of the Weather Station, the power adapter is inserted from the B10 position,
and the power supply of the power adapter is also noted.
 Open Weather Station battery compartment cover, open Weather Station battery compartment cover, insert
2 x AA batteries observing polarity [ “+” and “–” marks]
 After the weather station is connected to the power supply according to the above two steps, all the icons on
the LCD display will light up for 3 seconds, you will hear the buzzer, and check the indoor temperature and
humidity.
 The weather station will now start connecting to the outdoor remote sensor. This operation takes about 3
minutes, and the receiving RF antenna symbol displays and flashes above the three channel labels
corresponding to the weather station.
 The signal from 3 sensors will be automatically received within 3 minutes. After receiving, the temperature
and humidity of the remote sensors in the 3 channel bars will be displayed.
Manual settings:
 Press and hold down the “ ” button more than 2 seconds to enter the time and general settings, first set
the temperature of the unit, now use “▲” and “▼” buttons to set the unit of temperature in “°C” or “°F”.
 Press “ ” to confirm your setting, switch to radio controlled clock (RCC) function setting, Now use “▲”
and “▼” buttons set the RCC receive function to activate(ON) or close (OFF)
 Press “ ” to confirm your setting, switch to daylight saving time (DST) function setting. This function is
not usable in Europe.
 Press “ ” to confirm your setting, switch to the 12/24 hour mode display setting. Now use “▲” and “▼”
buttons to set the time displayed in 12-hour or 24-hour format
 Press “ ” to confirm your setting, switch to time zone setting, Now use “▲” and “▼” buttons set a
correct time zone (-2 to +2).

WS6304 User Manual
 Press “ ” to confirm your setting, switch to the hour setting. Now use “▲” and “▼” buttons to set the
correct hour.
 Press “ ” to confirm your setting, switch to the minute setting. Now use“▲” and “▼” buttons to set the
correct minute.
 Press “ ” button to confirm your setting, switch to the Month and Date display setting. Now use “▲” and
“▼” buttons to set the date display on Month/Date or Date/Month.
 Press “ ” button to confirm your setting, switch to the year setting. Now use “▲” and “▼” buttons to set
the correct year.
 Press “ ” button to confirm your setting, switch to the month setting. Now use “▲” and “▼” buttons to
set the correct month.
 Press “ ” button to confirm your setting, switch to the date setting. Now use “▲” and “▼” buttons to set
the correct date.
 Press “ ” button to confirm your setting, switch to the language selection for the week and month
displays setting. Now use “▲” and “▼” buttons to select a language.
Note: There are 15 languages of Weekday: English, German, French, Italian, Spanish, Portuguese,
Dutch, Danish, Norwegian, Swedish, Polish, Finnish, Czech, Hungarian, and Russian
Week language display
Language Sunday Monday Tuesday Wednesday Thursday Friday Saturday
ENGLISH MONDAY TUESDAY WEDNESDAY THURSDAY FRIDAY SATURDAY SUNDAY
ENG MON TUE WED THU FRI SAT SUN
GERMAN MONTAG DIENSTAG MITTWOCH DONNERSTAG FREITAG SAMSTAG SONNTAG
GER MON DIE MIT DON FRE SAM SON
FRENCH LUNDI MARDI MERCREDI JEUDI VENDREDI SAMEDI DIMANCHE
FRE LUN MAR MER JEU VEN SAM DIM
ITALIAN LUNEDI MARTEDÌ MERCOLEDÌ GIOVEDI VENERDÌ SABATO DOMENICA
ITA LUN MAR MER GIO VEN SAB DOM
SPANISH LUNES MARTES MIERCOLES JUEVES VIERNES SABADO DOMINGO
SPA LUN MAR MIE JUE VIE SAB DOM
PORTUGUESE
SEGUNDA-FEIRA TERÇA QUARTA-FEIRA QUINTA-FEIRA SEXTA-FEIRA SABADO DOMINGO
POR SEG TER QUA QUI SEX SAB DOM
DUTCH MAANDAG DINSDAG WOENSDAG DONDERDAG VRIJDAG ZATERDAG ZONDAG
DUT MAA DIN WOE DON VRI ZAT ZON
DANISH MANDAG TIRSDAG ONSDAG TORSDAG FREDAG LØRDAG SØNDAG
DAN MAN TIR ONS TOR FRE LOR SON
NORWEGIAN MANDAG TIRSDAG ONSDAG TORSDAG FREDAG LØRDAG SØNDAG
NOR MAN TIR ONS TOR FRE LOR SON

WS6304 User Manual
SWEDISH MÅNDAG TISDAG ONSDAG TORSDAG FREDAG LÖRDAG SÖNDAG
SWE MAN TIS ONS TOR FRE LOR SON
POLISH PONIEDZIAŁEK WTOREK ŚRODA CZWARTEK PIĄTEK SOBOTA NIEDZIELA
POL PON WTO SRO CZW PIA SOB NIE
FINNISH MAANANTAI TIISTAI KESKIVIIKKO TORSTAI PERJANTAI LAUANTAI SUNNUNTAI
FIN MAN TII KIS TOR PER LAU SUN
CZECH PONDĚLÍ ÚTERÝ STŘEDA ČTVRTEK PÁTEK SOBOTA NEDĚLE
CZE PON UTE STR CTV PAT SOB NED
HUNGARIAN HÉTFŐ KEDD SZERDA CSÜTÖRTÖK PÉNTEK SZOMBAT VASÁRNAP
HUN HET KED SZE CSU PEN SZO VAS
RUSSIAN PERIOD ПОНЕДЕЛЬНИК ВТОРНИК СРЕДА ЧЕТВЕРГ ПЯТНИЦА СУББОТА ВОСКРЕСЕНЬЕ
RUS ПОН BTO CPE ЧЕТ ПЯТ СУБ ВОС
 Press “ ” to confirm your setting, switch to pressure unit setting. Now use the “▲” and “▼” button to set
the pressure of the unit, the unit of t pressure can be set to “hPa” or “inHg”
 Press “ ” button to confirm your setting, switch to barometric pressure calibration mode. Now use “▲”
and “▼” buttons to set the atmospheric pressure value.
 Press “ ” button to confirm your setting, switch to setting the initial weather. Now use “▲” and “▼”
buttons to select the current weather
 Press“ ” to confirm your setting and to end the setting procedures, enter the clock mode
 During the time setting process, Press the “ ” button to exit the setting mode directly.
F.Y.I.:
 After 20 seconds without pressing any button, the clock switches automatically from Set Mode to Normal
Time Mode.
 In the set time, the number of minutes of the change, automatically from the zero second forward
 In the set time, you can press hold the “▲” and “▼” button to quickly change the setting of the value
 When the weather station is in the same area as Germany, the time zone is set to 00, one hour slower than
German time, the time zone is set to -01, one hour faster than German time, the time zone is set to 01, 2
hours faster than German time, time zone Set to 02,
 Exceeding the German signal tower diameter of 1500KM or more, the signal received by the radio clock
signal is very poor. It is recommended to set the RCC to OFF.
Setting the daily alarms:
 Press and hold down“ ” button more than 2 seconds to enter the alarm setting mode, first enter the alarm 1
hour setting. Use the “▲” and “▼” buttons to set the required hour.

WS6304 User Manual
 Press “ ” button to confirm your setting, switch to the alarm 1 Minute setting. Use the “▲” and “▼” buttons
to set the required minute.
 Press “ ” button to confirm your setting, switch to the alarm 1 repeat setting. Use the “▲” and “▼” buttons
to set the alarm type in “L-V” (from Monday to Friday) or “S-D” (from Saturday to Sunday) or “L-D” (from
Monday to Sunday).
 Press “ ” button to confirm your setting, switch to the alarm 1 snooze time setting. Use the “▲” and “▼”
buttons to set the minute of snooze you need.
 Press “ ” button to confirm your setting, switch to the alarm 2 hour setting. Use the “▲” and “▼” buttons to
set the required hour.
 Press “ ” button to confirm your setting, switch to the alarm 2 minute setting. Use the “▲” and “▼” buttons
to set the required minute.
 Press “ ” button to confirm your setting, switch to the alarm 1 repeat setting. Use the “▲” and “▼” buttons
to set the alarm type in “L-V” (from Monday to Friday) or “S-D” (from Saturday to Sunday) or “L-D” (from
Monday to Sunday).
 Press “ ” button to confirm your setting, switch to the alarm 1 snooze time setting. Use the “▲” and “▼”
buttons to set the minute of snooze you need.
 Press “ ” button to confirm your setting and to end the setting procedure.
 During the alarm setting process, Press the “ ” button to exit the setting mode directly.
F.Y.I.:
 After 20 seconds without pressing any button the clock switches automatically from setting mode to Normal
clock mode.
 When the alarm repeat is set to L-V, the alarm function will be activated from Monday to Friday, and will be
disabled on Saturday and Sunday, “L-V” appears below the alarm symbol. When the alarm repeat is set to
S-D, the alarm function will be activated on Saturday and Sunday, and will be disabled from Monday to
Friday, and a “S-D” appears below the alarm symbol. When the alarm repeat is set to display L-D at the
same time, the alarm function will be activated for a week, “L-V” and “S-D” appears below the alarm
symbol.
 The snooze time setting range: 5 ~ 60MIN, OFF, when set to OFF, means no snooze function. Snooze time
unit is minutes.

WS6304 User Manual
Alarm ON/OFF
 Press “ ” button can switch the display ALARM1 time or ALARM2 time, in the alarm1 or alarm2 display
mode, press the “▲” button to turn the alarm on or off.
 The alarm 1 or alarm 2 turn on, the “ ” or “ ” icon is displayed, the alarm 1 or alarm 2 function is open, the
repeat of alarm icon at the same time is also displayed.
 The alarm 1 or alarm 2 turn off, the“ ” or “ ” icon disappears, the alarm 1 or alarm 2 function is close.
 During alarm viewing mode, Press the “ ” button to exit the setting mode directly.
F.Y.I.:
 The alarm will sound for 2 minutes if you do not deactivate it by pressing any button. In this case the alarm
will be repeated automatically after 24 hours.
 Rising alarm sound (crescendo, duration: 2 minutes) changes the volume 4 times whilst the alarm signal is
heard.
Switching off the alarm signal
 Press any button except the “ ” button to stop the alarm signal. It is not necessary to reactivate the
alarm. It switches itself automatically to the alarm time which has already been set.
Snooze function:
 When the time is up to the alarm, press the “ ” button, the alarm signal stops, and enter the SNOOZE
mode. After the snooze time is counted, the alarm will ring again.
 In snooze mode, press any buttons except the “ ” button or press the “ ” button and hold for
more than 2 seconds to exit the snooze mode.
F.Y.I.:
When the snooze function is set to OFF, when the time is up to the alarm, press the “ ” button does not
have this snooze function.
Lunar phases:
 The Moon icon indicator of the Weather Station will also display 12 different Moon phase phases according
to the set calendar.
New
moon
Waxing half-moon Half-moon
Waxing full
moon
Full
moon
Waning full
moon
Half-moon Waning half-moon

WS6304 User Manual
Temperature & Humidity detection:
 Indoor temperature measuring range: -9.9°C (+14°F) ~ +50°C (+122°F), LL.L °C(°F) will displayed if value
lower than -9.9°C (+14°F), HH.H °C(°F) will displayed if value higher than +50°C (+122°F).
 Outdoor temperature measuring range: 40°C (-40°F) ~ +70°C (+158°F), LL.L °C(°F) will displayed if value
lower than -40°C (-40°F), HH.H °C(°F) will displayed if value higher than +70°C (+158°F).
 Indoor and outdoor humidity measuring range: 20%RH ~ 95%RH, 19%RH will displayed if value lower than
20%RH, 96%RH will displayed if value higher than 95%RH.
Wireless sensor transmission:
 When the weather station successfully receives the signal from the wireless sensor, the outdoor
temperature and humidity will be displayed in the columns of channels 1, 2 and 3 of the weather station.
 The Weather station can connect up to 3 channel wireless sensor registration, the use of multiple wireless
sensor, the wireless sensor channel cannot choose the same channel at the same time (A total of 1, 2, 3
channels can be set, three sensors need to set different channels)
 If any channel of the weather station fails to receive the transmission from the outdoor sensor (“--” is
displayed on the LCD), press the “ ” button to select the corresponding channel number. After selecting,
the corresponding channel number will flash and display, at this time, press and hold the “ ” button for 3
seconds to receive and transmit manually. The RF receiving antenna symbol “ ” flashes, and the weather
station will receive the wireless signal from the outdoor sensor again.

Displaying temperature/humidity and temperature/humidity trend
 The current indoor temperature/humidity/barometric pressure and the temperature/humidity trend (indoors)
are shown in the LCD display.
 After successfully connecting with the remote sensor, the weather station can display the remote
temperature/humidity and the temperature/humidity trend (remote)
 You may see the following displays:
: The temperature/humidity is rising.
: The temperature/humidity is remaining constant.
: The temperature/humidity is falling.
Maximum/Minimum Temperature/Relative Humidity

WS6304 User Manual
 To toggle indoor/outdoor maximum, minimum temperature and humidity data, press the “▼” button:
Once to show the maximum temperature and humidity values.
Twice to sow the minimum temperature and humidity values
Three times to return to the current temperature and humidity levels
 To reset the maximum and minimum temperature and humidity, press and hold down the “▼” button about 2
seconds. This will reset all minimum and maximum data recorded to the current displayed values.
F.Y.I.:
 If the temperature reading is below ranges, the LL.L will be displayed. If the temperature reading is above
ranges, the HH.H will be displayed.
 If the humidity reading is below ranges, the 19%RH will be displayed. If the humidity reading is above
ranges, the 96%RH will be displayed.
Comfort and mildew risk instructions
 There are 4 display modes for the comfort level, as follows:
The temperature is any value, the humidity is less
than 40%
Temperature in the range of 20.0℃～28.0℃ & 68.0℉～82.4
℉, humidity in the range of 40%～70%
The temperature is any value, and the humidity is greater
than 70%
Temperature is less than 20.0℃ & 68.0℉ or greater than
28℃ & 82.4℉, humidity is in the range of 40%～70%
 The moldy risk display reads the humidity to determine moldy risk level. The weather station will display one
of 4 indicators: HT (high) MO (medium) BS (low) and no risk (no arrow displayed).
Temperature and Humidity alerts setting
 In the normal display, press the “ ” button to switch to the temperature and humidity alert item viewing
mode, and then press the “ ” button to switch to view the next item, in order: temperature upper limit alarm,
temperature lower limit alarm, humidity upper limit alarm, humidity lower limit alarm, frost alarm (INDOOR
has no frost point alarm item) , and can switch cyclically
 In this alert item viewing mode, press the “ ” button to switch to a different channel, in the order of items:
IN, CH1, CH2, CH3, and can switch cyclically

WS6304 User Manual
 In this alert item viewing mode, the alert function of each item can be turned on or off by pressing the
“/” button when the respective item is displayed, and the corresponding alarm symbol “ ” or “ ”
or “ ” is displayed when it is turned on.
 During alert viewing mode, Press the “ ” button to exit the setting mode directly.
 Press and hold down the “ ” button for more than 2 seconds to enter the temperature and humidity alert
setting, the first is the upper limit alert setting of the temperature. Use the “▲” and “▼” buttons to set the
upper limit alert value
 Press the “ ” button to confirm and switch to the next item, set the lower limit of the temperature alert, Use
the “▲” and “▼” buttons to set the lower limit alert value
 Press the “ ” button to confirm and switch to the next item, set the upper limit of the humidity alert, Use the
“▲” and “▼” buttons to set the upper limit alert value
 Press the “ ” button to confirm and switch to the next item, set the lower limit of the humidity alert, Use the
“▲” and “▼” buttons to set the lower limit alert value
 Press “ ” button to confirm your settings and end the setup process.
 When setting the upper and lower limit alerts for temperature and humidity, press the “ ” button to switch
the alert settings for setting the upper and lower temperature and humidity limits of different channels.
 During the alerts setting process, Press the “ ” button to exit the setting mode directly.
F.Y.I.:
 After 20 seconds without pressing any button, the clock switches automatically from Set Mode to Normal
Time Mode.
Temperature and humidity upper and lower limit and frost warning
 When the upper limit or lower limit alarm of the corresponding channel is turned on, and the actual value of
its temperature or humidity exceeds the set upper limit or lower limit limit, the corresponding upper limit
symbol “ ” or lower limit symbol “ ” and the corresponding display data will flash. At the same time,
the product emits an alarm sound.
 When the frost alarm of the channel corresponding to the remote wireless is turned on, and its temperature
is in the range of –1°C (+30°F) to + 3°C (+ 37°F), the frost alarm is triggered, the frost symbol “ ” is
displayed on the corresponding channel and flashes, and the product emits an alarm sound at the same
time.
 In this alert mode, press any button to stop the alarm sound, and the warning is still displayed.

WS6304 User Manual
Low battery:
 If the “INDOOR” column is display the battery icon “ ”, you need to replace the weather station's battery
as soon as possible,
 If the “OUTDOOR” column is to display the battery icon “ ”, you need to replace the wireless sensor
battery of your channel as soon as possible based on the channel display.
The weather forecast:
 The weather station calculates a weather forecast for about the next 12 hours based on the barometric
pressure trend. Of course this forecast can‘t compare to that of professional weather services supported by
satellites and high performance computers, It provides only an approximate indication of the current weather
development in a small local area. Please take the weather forecast from your local weather forecasting
service into account as well as the forecast from your weather station. If there are discrepancies between
the information from your device and from the local weather forecasting service, please take the advice of
the latter as authoritative.
 The weather station displays the following weather icon:
sunny slightly cloudy cloudy rainy Heavy rainy Snowy
F.Y.I.:
 The Snowy icon will only appear if the outdoor temperature is below -4℃ (+25℉) and the forecast would be
rainy or stormy, By default, according to the temperature of CH1, when there is no signal in CH1, it is
calculated according to the temperature of CH2. When there is no signal in CH1 and CH2, it is calculated
according to the temperature of CH3.
 After the weather station needs 7-10 days of air pressure calibration, the weather forecast will tend to be
stable with an accuracy rate of 70%-75%.
 The forecast can be given for a radius of up to 12-20km.
 The weather station can display the barometric pressure trend.

WS6304 User Manual
Reception of the Radio signal:
 The clock automatically starts the DCF signal search after 7 minutes of any restart or changing of new fresh
batteries. The radio mast icon starts to flash.
 At 1:00 /2:00 / 3:00, the clock automatically carries out the synchronization procedure with the DCF signal to
correct any deviations to the exact time. If this synchronization attempt is unsuccessful (the radio mast icon
disappears from the display), the system will automatically attempt another synchronization at the next full
one hour. This procedure is repeated automatically up to total 5 times.
 To start manual DCF signal reception, press and hold down the “▲” button for two seconds. If no signals
received within 7 minutes, then the DCF signal search stops (the radio mast icon disappears) and start again
at the next full one hour.
 During DCF radio signal reception，to stop searching radio signal, press and hold down the “▲” button for
two seconds.
F.Y.I.:
 A flashing radio mast icon indicates that the DCF signal reception has started
 A continuously displayed radio mast icon indicates that the DCF signal was received successfully
 We recommend a minimum distance of 2.5 meters to all sources of interference, such as televisions or
computer monitors
 Radio reception is weaker in rooms with concrete walls (e.g.: in cellars) and in offices. In such extreme
circumstances, place the system close to the window.
 During the DCF radio reception mode, only the “▲” button function, other button operations can only turn on
the backlight. If you want to perform other operation functions, press the “▲” button to exit the DCF radio
reception mode.
 Note that when you enter the radio control time receiving mode, the backlight will automatically turn off. This
is a normal phenomenon. After the radio control time receiving reception, the backlight will be automatically
lit.
Background lighting
 If the product is powered by batteries, press the “ ” button. Backlight lit 15 seconds.
 When the power supply of the product is inserted into the power supply adapter, the battery will

WS6304 User Manual
automatically disconnect the power supply, and the backlight will always be bright. Press the “ ” button to
adjust the brightness of the backlight, you can adjust the 5 state: 4 different brightness backlight and close
the backlight. When the backlight brightness is not at the maximum brightness, press the “ ” button.
Backlight turns to highest brightness of 15 seconds.
 The weather station can also set the backlight to automatically dim at night. Press and hold the “ ”
button for more than 2 seconds to enter the night mode setting. First, turn the night function on or off. Now
use “▲” and “▼” buttons set the night function to activate (ON) or close (OFF).
 Press “ ” button to confirm your setting, switch to the brightness setting of the backlight change after
entering the night. Now use “▲” and “▼” buttons set the brightness required for the backlight change after
entering the night
 Press “ ” button to confirm your setting, switch to the hour of enter night mode setting. Now use “▲”
and “▼” buttons set the required hour
 Press “ ” button to confirm your setting, switch to the minute t of enter night mode setting. Now use
“▲” and “▼” buttons set the required minute
 Press “ ” button to confirm your setting, switch to the hour of exit night mode setting. Now use “▲”
and “▼” buttons set the required hour
 Press “ ” button to confirm your setting, switch to the minute of exit night mode setting. Now use “▲”
and “▼” buttons set the required minute
 Press “ ” button to confirm your setting and to end the setting procedure.
 During the night mode setting process, Press the “ ” button to exit the setting mode directly.
 When the night mode is on, the icon “ ” will be displayed. When the time reaches the time to enter the
night mode, the backlight will automatically switch to the set night mode brightness, and when the time
reaches the time to exit the night mode, the backlight will return to the original brightness
 In night mode, the backlight can be switched to the highest brightness for 15 seconds by pressing the
“ ” button
F.Y.I.:
 During the reception of the time radio wave signal, the backlight will be automatically closed to prevent the
interference of the radio wave.
ABOUT AC/DC POWER SUPPLY
Do not use the device:

WS6304 User Manual
-if the power supply or the power cable is damaged,
-in the event of a malfunction,
-if the device has been damaged in any way.
Never use sharp objects to access the inside of the power supply. Do not disassemble the power supply, do
not throw it into a fire. Do not attempt to disassemble or modify this product or any of its components. Do
not expose the food to high temperatures or direct sunlight. Do not incinerate it. Do not install the power
supply near any heat sources, such as a radiator, hot air supply, oven, or other apparatus (including
amplifiers) that produce heat. Do not store this product in a place where the temperature exceeds the
following range: - 10 to 70 ° C. Do not use this product in a location where the temperature exceeds the
following range: 0 to 40 ° C, as this may damage it or shorten its life. Do not place the power supply near
water or a source of moisture, such as a bathtub, kitchen sink, swimming pool, in a wet basement, or other
damp locations. The device must not be exposed to splashes. Do not place objects filled with water, such
as vases for example, near the appliance. Connect the power supply into an easily accessible DC outlet.
Ensure that the power cord can not be crushed or pinched, particularly at plugs, convenience receptacles,
and the point where they are connected to the apparatus. The supplied power supply is intended for indoor
use only. Do not place naked flame sources (such as a lit candle) on or near the power supply. Unplug this
power during lightning storms or during long periods of non-use to avoid damage. Turn off your device
before disconnecting the power cable. This device is not intended for use by people (including children)
whose physical, sensory or mental capabilities are reduced, or people without experience or knowledge,
unless they could benefit ,by the” throung a person responsible for their safety, surveillance or prior
instructions concerning the use of the device. Children should be supervised to make sure that they do not
play with the device. If the power supply works abnormally,and especoally if it emits sounds or odors that
you think are abnormal, unplug it immediately and have it examined by a qualified repairer. The
socket-outlet must be installed near the equipment and must be easily accessible.
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.

WS6304 User Manual
•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 public health and the quality of environment.
•As stated on the gift box and labeled on the product, reading the “User manual” is highly recommended for
the benefit of the user. This product must however not be thrown in general rubbish collection points.
•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 designed for use in the home only as indication of the temperature.
•The plug on the power adapter (if included) is intended to serve as the disconnect device, the socket-outlet
shall be installed near the equipment and shall be easily accessible.
•This product is not to be used for medical purposes or for public information.
•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 authorization of the manufacturer.
RED DIRECTIVE 2014/53/EU
Summary of the Declaration of Conformity: We hereby declare that this wireless transmission device does
comply with the essential requirements of RED Directive 2014/53/EU.
LA CROSSE TECHNOLOGY
6 A RUE DU COMMERCE
67118 GEISPOLSHEIM
FRANCE