La Crosse Technology WS-2315CH User manual

Operation Manual 1. Introduction
Professional Remote Weather Station 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 correct operation of your
weather station and benefit from its unique features.
Table of Contents
Page
1. Introduction.................................................................................... 2 2. Intended Use
2. Intended use. ................................................................................. 2
Weather Station. ............................................................................ 2 Weather Station
System requirements for PC use................................................... 2 The base station measures the indoor environment of its surrounding area and
receives weather data from the following three outdoor sensors:
Features of the base station. ......................................................... 3
Features of the thermo-hygro sensor. ........................................... 3 1) Thermo-Hygro Sensor
Features of the wind sensor .......................................................... 3 2) Wind Sensor
Features of the rain sensor............................................................ 3 3) Rain Sensor
3. Safety Notes .................................................................................. 4
4. Packaged contents ........................................................................ 5 The received data is continuously updated to bring you the latest weather
information on the base station’s LCD. The outdoor 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 100ft in open
space) or by cable connection.
5. Setting up....................................................................................... 6
6. Operation using cable connection or wireless 433MHz................. 9
7. LCD overview .............................................................................. 10
8. Function test ................................................................................ 11
9. Mounting...................................................................................... 12
10. Resetting & factory settings......................................................... 14
11. Function description .................................................................... 16
12. Operation keys ............................................................................ 19 Using the enclosed 6.5ft computer cable and CD-ROM, you can install the
Heavy Weather software to your PC and access the latest weather information
from your PC and upload up to 175 sets of recorded weather data received by
the base station. Recorded data can be used to generate 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 can be transferred to PC.
13. Basic programming modes.......................................................... 21
14. MIN/MAX programming modes ................................................... 22
15. Alarm programming modes ......................................................... 23
16. Auto-memory for stored values ................................................... 30
17. Accessories: extensions cables................................................... 30
18. Changing batteries ...................................................................... 31
19. Problems and interference with operation ................................... 32
20. Transmission range ..................................................................... 33 This weather station is designed to work easily with your PC, simply connect
and disconnect the PC cable at any time.
21. Cleaning and maintenance.......................................................... 33
22. Specifications .............................................................................. 34
23. Warranty Information ................................................................... 36 System Requirements for PC use:
The minimum system requirement for use of this “Heavy Weather” software is:
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.
Operating system: Windows 98 or above
Processor: Pentium 166 MHz or above
RAM: 32MB of RAM or above
Hard disk: 20MB free space
Please see www.heavyweather.info for a complete IM, FAQ and
downloads of the most current software. 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: 3. Safety Notes
• Receives and displays the WWVB radio controlled time and date
• Damage caused by failure to comply with this instruction manual will
invalidate any guarantee! The manufacturer and supplier will not be held
liable for damages due to failure to comply with this instruction manual or
from data inaccuracies that may occur with this product!
• 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 displays in degrees Fahrenheit or
Celsius (user selectable) • 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.
• Indoor and outdoor relative humidity displays
• Air pressure reading in inHg or hPa, absolute or relative (user selectable)
• For reasons of safety and operation, alterations to this device are strictly
prohibited.
• Detailed display of rainfall data in 1 hour, 24 hours, total since last reset
(user selectable in mm or inch)
• To operate the weather station, use only supplied adaptor and batteries
of the recommended type.
• 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) • Do not leave discharged batteries in the device as these may corrode
and release chemicals that may damage the unit.
• Wind chill temperature display
• Inserting batteries in an incorrect polarity will cause damage to this
product.
• Dew point temperature display
• Weather forecast display by weather icons (sunny, cloudy, rainy)
• This product is not a toy. Keep out of the reach of children.
• Weather tendency indicator
• Do not dispose of new or used batteries in a fire as they may explosion or
release dangerous chemicals.
• Storm warning alarm
• LED back light • This product is not to be used for medical purposes or for public
information.
• Simultaneous display of all weather data with individual settings by the
user • Any modification or alteration to this product is strictly prohibited without
the manufacturer’s authorization and may prohibit the user’s further use
of this product.
• 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 sensors before
transmitting the data to the base station by wireless 433MHz or by the 32ft
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 32ft cable
connection.
Features of Rain sensor
The rain sensor measures the rainfall 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 by a 32ft cable connection.

4. Packaged Contents 5. Setting up
Before setting up, carefully unpack the contents onto a table or flat surface and
check that the following are complete:
First, choose to use the adaptor (included in this set) or batteries for operation.
Both these methods allow for operation using wireless 433MHz transmission
or cable connection between the base station and the sensors and setting up
for both methods is as follows:
Item: Consisting of: Fittings: Illustration:
Base
Station
• Main unit
• AD/DC 120V power
Adaptor - optional use
(included)
Thermo-
Hygro
Sensor
• Main unit
• Rain protection
cover
• 32ft cable - optional
connection to the base
station (included)
• Wall mounting screws
• Plastic anchors for
screws
Wind
Sensor
• Main unit with
wind vane
• 32ft cable
(already
attached to the
main unit)
• Mast holder
• 2 x U-bolts for mast
holder
• 4 x Washers
• 4 x Nuts
• 1 x screw (to fix main
unit to the mast holder
Rain
Sensor
• Main unit (base
and funnel)
• 32ft cable
(already
attached to the
main unit)
Heavy
weather
PC
software
CD-Rom format
(English version
only)
• 6.5ft PC cable for PC
connection - optional
use (included)
Base Station:
Note: flip open the front panel under the PRESSURE, DISPLAY and WIND
keys to reveal the SET, + (plus), - (minus), ALARM and MIN/MAX operation
keys
Battery
compartment
Socket for Thermo-
Hygro Sensor
Socket for
Ad ptora
PC COM Port
Front Panel
Operation
Keys

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)
Setting up using batteries: 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
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 DC 6.0V 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
WWVB radio controlled time reception.
Note for WWVB Radio Controlled Time:
The time and date display is based on the signal provided by the highly
accurate government operated atomic clock in Ft. Collins, Colorado. This
radio-controlled clock does not only provide for the weather station’s time and
date display but also functions as the time and date source for all of this
weather station’s memory and history values using time and date information.
LCD backlight:
When using the power adaptor, the LCD backlight is switched on continuously.
Under battery operation, the LCD backlight is switched on for 15 seconds
intervals when any key is pressed.
Important: To avoid operating problems, please take note of battery
polarity if inserting any batteries
Sensor sockets
Sensor sockets
Thermo-Hygro Sensor
Battery Cover
Battery
Compartment

6. Operation using cable connection or wireless 433MHz 7. LCD Overview
Cable Connection: 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.
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
32ft cable and connect the thermo-hygro sensor to the base station. Once 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 base station will automatically change to using 433 MHz for
reception of the weather data from the sensors.
The data receiving intervals are as follows:
- Using cable connection data is updated every 8 seconds.
- Using wireless 433 MHz data is updated from 16 to 128 second intervals
depending on wind speed and rain activity.
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
(+) key for 2 seconds. However in general, batteries that will not be used for
long periods should be removed to avoid leakage.
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
and wind speed low, high, direction
alarm
25. Wind direction and speed (m/s, knots,
Beaufort, km/h or mph) display
26. Alarm buzzer ON/OFF icon
27. General alarm icon
1. Low battery indicator
2. WWVB radio controlled time icon
3. Date display
4. Time zone display
5. Date, seconds, alarm time and time
zone
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,
wind chill, rainfall alarm icon
Wireless 433MHz transmission:
16
26
25
24
18
21
22
20
19
11
17
15
9
10
1314
23
27
12
6
8
7
5
4
3
2
1
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.

Base Station
8. Function test 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 WWVB 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
Once the weather station is powered up, perform a function test by checking
that the weather data is received. To do this, press the 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
NOTE: For reception of WWVB time/date signal, do not mount the base station
closer than 5 feet from a computer, florescent lights or other electrical
appliances. Do not mount the base station on a wall that has metal heat/AC
ductwork in the wall behind the base station. For best WWVB reception place
the base station near a window facing Colorado. WWVB reception will be
obtained easiest in the nighttime hours when the WWVB signal is strongest.
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/or check the
batteries in the outdoor thermo-hygro sensor 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..
Mounting the Wind Sensor onto a mast
Wind-fan
Wind-vane
Mast
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:
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 East-West 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 Ø0.63” – Ø1.3”).
• 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
NOTE: The WWVB receiver is located in the base station. 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.

Mounting the thermo-hygro Sensor
Mounting the Rain Sensor
For accurate results, the rain sensor should be securely mounted onto a
horizontal surface about 2-3ft 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).
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.
NOTE: For best 433 MHz reception mount the thermo-hygro sensor on an
outside wall near the location of the base station.
10. Resetting & factory settings:
Rain Cover
Wall Bracket
Main Unit
Base portion
Funnel portion
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.

11. Function Description of the Weather Station
Do not remove batteries or unplug the AC adaptor 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).
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 “Interferences”
below.
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 12:00 am
Date 01.01.2001
Time zone -5 ET
Alarm time 12:00 am
Relative air pressure 29.91 inHg
Weather-picture threshold 0.09 inHg
LCD contrast level 5 (1-8 levels)
Rainfall per impulse 0.0204 inches
Storm alarm 0.09 inHg
Relative air pressure alarm 28.34 inHg (low) 30.71 inHg
(high)
Indoor temperature alarm 50ºF (low) 86ºF (high)
Outdoor temperature alarm 32ºF (low) 104ºF (high)
Indoor humidity alarm 35%RH (low) 65%RH (high)
Outdoor humidity alarm 45%RH (low) 70%RH (high)
Wind chill alarm 50ºF (low) 86ºF (high)
Dew point alarm 32ºF (low) 68ºF (high)
Rainfall 24h alarm 1.96 inches
Rainfall 1h alarm 0.03 inches
Wind Speed 1.0 mph (low) 62 mph (high)
Wind direction alarm None set
Time & Date (LCD Section 1)
If the WWVB icon (icon 2) is ON and not flashing, it means that the WWVB
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.
LCD Section 1:
Time, date, seconds, time zone,
weather forecasting icons with
tendency arrows, air pressure,
and respective alarms sections
LCD Section 2:
Indoor and outdoor temperature and
relative humidity, wind chill, dew
point, rainfall, and respective alarms
sections
LCD Section 3:
Wind direction, wind speed, and
respective alarms sections
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.

Weather forecasting (LCD Section 1)
Weather Data (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.
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
Sunny Cloudy Rainy
- Rainfall 1h
Notes to inHg sensitivity setting for weather forecasting: - Rainfall total.
The inHg pressure sensitivity can be set to suit the user’s requirement for
weather forecasting from 6 inHg, 9 inHg to 12 inHg (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 inHg
setting compared to an area where the air pressure is stagnant. For example if
6 inHg is selected, then there must be a fall or rise in air pressure of at least 6
inHg before the weather station will register this as a change in weather.
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 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. 59°F and a relative humidity of 50% the dewpoint will be
about 41°F, at 80% humidity about 53.6°F. At a relative humidity of 100%
saturation is reached, i.e. the dewpoint is 59°F. At a dewpoint below freezing
the fallout will become frost or snow.
Air Pressure (LCD Section 1)
The air pressure reading is displayed here. Press the PRESSURE key to
toggle between relative and absolute air pressure displays.
Windchill has been introduced for battle planning during World War II. It
represents not the real measured but the 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.
46.4°F and calm winds a person moving at a speed of 13 mph will already feel
a windchill temperature of 32°F.
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 8.85 inHg to 32.45 inHg
(standard air pressure at an altitude of 30,000ft is around 8.85 inHg).
Wind Data (LCD Section 3)
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).
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
- Pressure unit setting
- Relative air pressure setting
- Weather picture threshold setting
- Storm warning setting
- Audible 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
- Toggle between Absolute and Relative air pressure
displays
DISPLAY key - Toggle between the following current/ maximum/
minimum display modes:
- Indoor temperature and humidity
- Outdoor temperature and humidity
- Outdoor wind chill
- Outdoor dew point
- Rainfall (24h, 1h, total)
WIND key To toggle between the following settings:
- Wind speed
- Wind direction
- Wind direction display in degrees
ALARM key - In normal mode to enter the alarm programming 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
MIN/MAX key - In normal display mode to toggle between display of
MIN/MAX values
- To toggle between MIN/MAX values in MIN/MAX
mode
- To exit any programming mode
PLUS (+) key - In normal display mode to toggle between 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)
MINUS (-) key - In normal display mode to enable/disable the buzzer
alarm (long pressing)
- To decrease the values in the setting modes
- In basic programming mode audible storm alarm
ON/OFF
- To snooze the alarms off 24 hours when the alarm is
sounding
- In MIN/MAX modes to reset recorded values and
recorded dates and times