Ventus W157 User manual

VENTUS WIRELESS COLOR WEATHER STATION MODEL W157 Owner’s Manual
Thank you for purchasing the new generation color weather station. Designed and engineered with
the state-of-art technology and components, this instrument will provide accurate and reliable
measurement of barometric pressure, weather forecast, indoor & outdoor temperature as well as
calendar alarm clock. Read this manual carefully to fully explore the features and functions of the new
product.
Name and Functions of Buttons:
Press Functions Hold 3 seconds
CLOCK Read time, calendar and day-of-week Set Clock & Calendar
ALARM Read alarm time; enable/disable alarm Alarm time setting
▲UP 1 step forward in setting Fast advance
▼Down 1 step backward in setting Fast backward
CHANNEL Select indoor, Channel 1,2,3, auto scroll Search for remote sensor
MEM Read max/min temperatures Clear memory record
BARO Toggle pressure unit hPa, inHg & mb Altitude setting
C/F Toggle degree C & F unit
SNOOZE/LIGHT Trigger snooze alarm & extend backlight
BATTERY & ADAPTER INSTALLATION
Home Receiver Unit:
Main Power Source: Plug in the 4.5V adapter into the adapter socket at the back for basic operation
and continuous backlight.
Backup Power: Lift off the battery cover, install 2 pieces of AAA backup batteries according to the
polarity indicated, close the battery cover.
Remote Sensor:
Loosen the screws on the battery door with a small screwdriver, insert 2 pieces of AAA batteries

according to the polarity indicated. Replace the cover and tighten the screws.
ALTITUDE SETTING
After battery installation, the main unit will enter altitude setting mode directly. Press “▲” or “▼” to
select the unit in meter or feet. Press “BARO” to confirm. Then press “▲” or “▼” to enter your current
altitude. Press “BARO” to confirm and exit the setting. This allows the unit to provide a more accurate
weather forecast reading. (For more information, see “WEATHER FORECAST & BAROMETRIC
PRESSURE” section)
SETTING UP THE WIRELESS THERMOMETER:
For the first installation, always turn on the home unit and then the remote sensor. Set Channel 1
for the first remote sensor. Set channel 2 and channel 3 for the 2
nd
and 3
rd
sensor.
Press and hold CHANNEL button on main unit until a beep is sound to search for remote sensor.
Press the Tx button on the back of remote sensor to transmit RF signal.
When RF connection is established, the respective temperature of the selected channel will
appear on the main unit.
WEATHER FORECAST & BAROMETRIC PRESSURE
The unit predicts weather condition of the next 12 – 24 hours based on the change of atmospheric
pressure. The coverage area is around 30 – 50 km. The weather forecast is based on atmospheric
pressure change and is about 70-75% correct. As weather conditions cannot be 100% correctly
forecasted, we cannot be responsible for any loss caused by an incorrect forecast.
SUNNY PARTLY CLOUDY CLOUDY RAINY STORMY
To obtain an accurate weather forecast & barometric pressure reading, you need to input your current
altitude. After the reset of the unit, it will enter the altitude setting mode. Press “▲” or “▼” to set the
unit first, and then press “BARO” and enter your current altitude. Press “BARO” to confirm and exit
the setting. You can also hold “BARO” button to enter altitude setting mode during normal use.
Press BARO button to select pressure unit between hPa, inHg & mb.
IN/OUT TEMPERATURE
Press “C/F“ button to select temperature unit C/ F.

Press CHANNEL button to select indoor, Ch1, Ch2, Ch3 and auto-channel scrolling display
modes.
COLOR BAR GRAPHS
The color graph is designed as an intuitive way to gauge the weather at a glance. It represents the
respective In/Out temperature of the current display mode. As the measurements change, the number
of illuminated bars changes automatically.
MAXIMUM / MINIMUM MEMORY
Press MEM button repeatedly to view the maximum & minimum values of temperature readings. To
clear the memory record, hold MEM button while the respective values are displaying on screen.
TEMPERATURE TREND INDICATOR
The icons will indicate Rising, Steady, Falling if the temperature change is more than 1 degree C (or 2
degree F) within an hour.
CLOCK & CALENDAR
Press “CLOCK” to toggle display between time, calendar and day of the week.
Hold “CLOCK “ button to enter clock setting mode. Using “▲”or “▼“ to adjust and “CLOCK” to confirm,
the following values can be set in sequence:
12/24hr format > Hr > Min > Yr > D/M or M/D format > Month > Date > EXIT
ALARM SETTING
Press “ALARM” to show alarm time and “AL.” icon will appear. Press again to enable or disable the
alarm. Bell icon “ ” appears when alarm is enabled.
Hold “ALARM” to enter alarm time setting mode. Press “▲”or “ ▼” to enter the desired Hr/ Min values
and press “ALARM“ to confirm setting.
SNOOZE & BACKLIGHT
When alarm is going off, press SNOOZE/ LIGHT to trigger snooze alarm and “Zz” icon will appear. To
stop alarm for one day, press “ALARM” key. Press SNOOZE/LIGHT for an extended backlight if
adapter is not connected.
LOW BATTERY INDICATION
Low battery indication is available for the home unit itself and all of the 3 remote channels. Replace
the batteries and follow the setup procedure in this instruction manual.

BATTERY DISPOSAL
Replace only with the same or equivalent type recommended by the manufacturer.
Please disposal of old, defective batteries in an environmentally friendly manner in accordance with
the relevant legislation.
SPECIFICATIONS
Indoor Temperature: 0 C to + 50 C (+32 F to +122 F)
Remote sensor : -20 C to +60 C (-4 F to +140 F)
Channel : max. 3 remote sensors
Transmission : up to 30M (99 ft.) in open area, RF434 MHz
Resolution : 0.1 degree C for temperature
Power : 4.5V adapter & AAA x 2 pcs for main unit
AAA x 2 pcs for remote sensor