GARNI 525 User manual

1
INSTRUCTION MANUAL FOR WEATHER STATION
MODEL GARNI 525
GARNI 525

2
PACKAGE CONTENTS
Main unit (receiver)
Wireless sensor GARNI 045H
Power adaptor
Manual
DESCRIPTION
- inverse color VA display
- measurement of indoor and outdoor relative humidity (%)
- measurement of indoor and outdoor temperature (°C or °F)
- possibility to connect up to 3 wireless sensors for measurement of temperature and relative humidity at
different spots
- weather forecast icons based on monitoring of changes in barometric pressure
- absolute barometric pressure display
- memory for maximum and minimum measured values of temperature and rel. humidity
- alarm for upper and lower limits of the outdoor temperature
- time and date controlled by DCF-77 radio signal with manual setting option
- 12- or 24-hour time display format
- date
- alarm clock
- Moon phase
- 5-minute snooze function (Snooze)
- permanent display backlight option when on mains power, 3 backlight brightness levels
- the main unit and the wireless sensor can be suspended or stand
- the wireless sensor is included in the delivery
Main unit
Top view
1) Stand
2) Button (Snooze / backlight)
Rear panel
3) Battery compartment cover
4) Button SET (setting)
5) Button ▲/MEM (up, memory)
6) Button ▼/CF (down, temperature unit)
7) Suspension hole
8) Button (Snooze / backlight)
9) Button ALARM (alarm clock)
10) Button CHANNEL (channel)
11) Button ALERT (temperature alarm)
12) Power supply socket
13) Stand holes

3
Display of the main unit
14) Icons for temperature alarm, MAX and MIN
values
15) Weather forecast icons
16) Absolute barometric pressure
23) Outdoor temperature
24) Wireless sensor low battery icon
25) Trend arrow
17) Date
18) Moon phase
19) Channel number
26) Indoor relative humidity
27) Main unit low battery icon
28) Indoor temperature
20) Icon of activated alarm clock, Snooze
function (Zz)
21) Time
29) Wireless sensor signal reception icon
30) Indoor relative humidity
22) DCF-77 signal reception icon
Wireless sensor GARNI 045H

4
31) Display
32) Stand
33) Battery compartment cover
34) Mounting hole
35) Battery compartment
36) Channel switch CH
37) TEST button
38) °C/°F button
COMMISSIONING
Main unit
1) The main unit can be powered by batteries (short-time display backlight for 10 seconds) or
by an AC adapter (permanent display backlight possible, 3 brightness levels).
2) Remove the battery compartment cover on the rear panel of the main unit by sliding to the right and
insert 3 pcs of AAA batteries (micro). Observe the correct battery polarity. Or connect the power adaptor
plug into the side socket. The display lights up and all display segments are briefly displayed.
3) Replace the battery compartment cover and slide it to the left
4) The bars at indoor temperature and relative humidity start flashing, together with the icon .
Searching of the wireless sensor signal will take 3 minutes.
Note: observe the correct battery polarity to prevent damage to the weather station. Use
only high-quality alkaline batteries for the main unit
The battery compartment houses two stands that can be screwed into the holes
on the back of the main unit if the main unit shall not be suspended but stand.
Wireless sensor
1) Remove the battery compartment cover on the rear side of the wireless sensor.
2) Set the required channel using the CH switch
3) Insert 2 pcs AAA batteries (micro) – observe the correct battery polarity
4) After the batteries are inserted, a signal is sent to the main unit. The signal can also be sent manually,
using the TEST button in the battery compartment of the wireless sensor
5) Close the battery compartment.
When the signal is received successfully, the measured values are shown on the display on the selected
channel. Use the °C/°F button to change the temperature unit displayed on the wireless sensor.
If the wireless sensor signal is lost, hold down the CH button on the main unit for 3 seconds. The main unit
will re-commence searching for the wireless sensor signal. Now press the TEST button in the battery
compartment of the wireless sensor.
Note: For the wireless sensor, lithium batteries are recommended due to their better resistance to
frost. Do not use rechargeable batteries.
Using multiple wireless sensors
If you want to use multiple wireless sensors, select a different channel for each wireless sensor.
Then proceed same as when establishing a connection with one wireless sensor.
The connection establishment process must be repeated after each battery replacement.

5
Switching between wireless sensor channels
If there are multiple wireless sensors paired with the main unit, press the CHANNEL button on the main unit
to display the measured temperature and relative humidity readings of each wireless sensor. For automatic
switching of channels to which the wireless sensors are registered, press the button repeatedly until the
display shows icon . The channels will change every 5 seconds. To terminate the automatic switching,
press the CH button again.
Placement
Placement of the wireless sensor
Place the wireless sensor away from direct sunlight not to compromise the measurement. Placement
outdoors, at the northern wall is recommended. Obstacles such as walls, concrete, metal structures and
large objects reduce the signal range. Position the wireless sensor vertically for optimum signal
transmission.
The signal range may be affected by obstacles (walls, trees) and other electrical devices (TVs, monitors,
etc.).
The wireless sensor can be suspended using the mounting hole or the hinged stand on the bottom of the
wireless sensor.
Placement of the main unit
Select the location of the main unit that is free from direct sunlight. Test the connection to the wireless
sensor
before final installation. If there is a problem with the signal reception, select another location. There is a
mounting hole for suspension on the rear of the main unit. The main unit can be also placed on a flat
surface using the two stands that are stored in the battery compartment and can be screwed into the two
holes on the back of the main unit.
SETUP OF THE WEATHER STATION
To enter the settings mode press and hold the SET button in the main screen mode for
3 seconds. For settings, use the ▲/MEM and ▼/CF buttons. To save, press the SET button once.
1) Press the SET button and hold for 3 seconds. Hour will flash. Use the ▲/MEM or ▼/CF button
to set the hour and confirm with SET
2) Proceed further to set minutes, year, data display format D-M (day-month), or M-D
(month-day), month, day, absolute barometric pressure display units (hPa/mb or mmHg),
day name abbreviation language (GER, ENG, FRE, ITA, SPA), time format (12 Hr or 24 Hr), enabling
(ON), or disabling (OFF) DCF-77 signal reception, activation (ON), or deactivation (OFF) of the beep (BI)
on button press, time zone (ZONE, from -12 to +12 hours, for the Czech and Slovak Republic leave 00),
and cease the setting by pressing SET
3) After setting is done, you can change the time display in 12- or 24-hour format also by briefly pressing
the SET button.
Note: Hold the ▲/MEM button or ▼/CF button when setting the value to increase or decrease
the value faster. If no button is pressed for 20 seconds, the last set value is saved and the
setting mode exits.
Day name abbreviations
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
GER
MON
DIE
MIT
DON
FRE
SAM
SON
ENG
MON
TUE
WED
THU
FRI
SAT
SUN
FRE
LUN
MAR
MER
JEU
VEN
SAM
DIM
ITA
LUN
MAR
MER
GIO
VEN
SAB
DOM
SPA
LUN
MAR
MIE
JUE
VIE
SAB
DOM

6
TREND ARROWS
The main unit display shows arrows next to the measured values. These arrows show the trends of the
measured values
increase steady state decrease
SETTING OF UNITS
°C and °F
In the basic display mode, press ▼/CF briefly to switch the displayed measured temperature units to °C
or °F
TIME AND DATE CONTROLED BY THE DCF-77 RADIO SIGNAL
The weather station is equipped with the DCF-77 time/date control signal receiver. The DCF-77 is
broadcast by a transmitter from Frankfurt am Main, Germany, with a range of about 1500 km. The time and
date is adjusted every day. In case of poor reception conditions time and date can be adjusted manually.
After time and date have been adjusted manually, they will be readjusted upon reception of the DCF-77
signal.
When the batteries are inserted into the main unit and the wireless sensor and the connection is
established, the main unit will start to receive the DCF-77 signal. The DCF-77 signal reception icon starts
flashing. If the signal is not received, the DCF-77 signal reception icon will not be shown on the display.
Upon successful reception the reception icon will be displayed on the display, if the signal is not
received, icon will be displayed. The DCF-77 signal is receiver every day at 1:03; if date/time are not
adjusted then also at 2:03, 3:03, 4:03 and 5:03.
Reception of the DCF-77 signal can be started manually by pressing and holding the ▼/CF button for 3
seconds. Receiving and adjusting time can take up to 10 minutes. The DST label next to the time indicates
the daylight savings time.
MEMORY FOR MAX AND MIN MEASURED VALUES
The main unit is equipped with memory for maximum and minimum measured values. Press the ▲/MEM
button repeatedly to display the maximum and minimum measured values of the indoor and outdoor
temperature and relative humidity. MAX or MIN is displayed on the display. Press and hold ▲/MEM for 3
seconds to erase the memory.
The memory is also automatically erased at 00:00 every day
ALARMS FOR THE UPPER AND LOWER LIMITS OF THE OUTDOOR TEMPERATURE
For the outdoor temperature it is possible to set the upper and lower limit alarm in the range from -40 °C to
+ 70 °C, separately for each channel.
Select the required channel with the CHANNEL button. Press and hold the ALERT button on the rear of the
main unit for 3 s. The icon is displayed and the upper temperature limit value starts flashing. Use the
▲/MEM or ▼/CF buttons to set the required temperature upper limit. Press the ALERT button briefly.
The icon is displayed and the lower temperature limit value starts flashing. Use the ▲/MEM or ▼/CF
buttons to set the required temperature. If you hold the ▲/MEM or ▼/CF buttons, the values will change
faster.
Press ALERT to confirm the setting.

7
Activating and deactivating the alarm
To activate or deactivate the high and low outside temperature alarm, briefly press the ALERT button.
When the alarm is activated, the main unit display shows the icon
As soon as the set temperature of the upper or lower outdoor temperature limit has been reached, a beep
sounds and icon or and the temperature value will flash. The beep will repeat every minute.
You can disable the alarm by pressing the ALERT button.
ALARM CLOCK
Setting of alarm time
The weather station has the possibility to set the alarm for every day (MO-SU) or Monday to Friday (MO-
FR). In the basic display mode, press the ALARM button at the rear of the main unit and hold for 3
seconds. The alarm time will be displayed at the time spot and the hour will flash. Use the ▲/MEM or
▼/CF buttons to set the required wake-up hour and press ALARM briefly. Minutes will flash. Use the
▲/MEM or ▼/CF button to set the required wake-up minute. Next press of the ALARM button will flash
MO-SU or MO-FR. Use the ▲/MEM or ▼/CF buttons to select MO-SU, (wake-up every day), or MO-FR
(wake-up Monday to Friday). Press ALERT to confirm and save the setting.
The wake-up time can be shown in the basic display by briefly pressing the ALARM button. The current
time will reappear automatically after 20 s or after pressing of the SET button briefly.
Activating and deactivating the alarm clock
Press the ALARM button briefly in the basic display mode to show the wake-up time. Press again to
activate the alarm, the icon will show together with the selected alarm mode MO-SU or MO-FR; press
again to deactivate the alarm. The icon and the selected alarm mode MO-SU / MO-FR will not be
displayed.
Turning off alarm signal, Snooze function
As soon as the alarm signal is activated at the preset time, icon starts flashing. Press the
button to move the alarm time by 5 minutes (Snooze). The alarm signal will be terminated and reactivated
in 5 minutes. The icon and ZZwill flash on the display. This function can be terminated at any time by pressing
any button except . If you do not want the Snooze function, press the any button except
to disable the alarm signal. Icon stops flashing and the next alarm will be activated in 24
hours.
If no button is pressed, the alarm signal will be turned off automatically after 2 minutes.
WEATHER FORECAST
The forecast is based on the change in barometric pressure, generally speaking when the barometric
pressure rises, the weather improves and vice versa. The weather forecast is valid for the next 12 to 24
hours within
30 to 50 km with the probability of 70 to 75%

8
The weather forecast is displayed using 6 icons
Clear Somewhat cloudy Cloudy Precipitation (Rain) Torrential rain Precipitation (Snow)
After switching on the station, it is necessary to wait for at least 24 hours to display the correct weather
forecast.
MOON PHASES
If the phase icon is not displayed, it is the new Moon.
new Moon waxing first waxing full waning last waning
gibbous quarter Moon Moon quarter crescent
DISPLAY BACKLIGHT
Press the button repeatedly if the main unit is powered with the AC Adapter. The backlight has
three brightness levels.
On battery power only, pressing turns on the backlight for 10 s.
TROUBLESHOOTING
problem
possible cause
solution
time is not adjusted by the
DCF-77 signal, time is adjusted
incorrectly
incorrectly set timezone
DCF-77 signal reception not on
DCF-77 signal interference
setting the correct timezone
turning the DCF-77 signal
reception on
place the main unit away from
other electrical equipment
the outdoor temperature and
rel. humidity are not displayed
the connection between the main
unit and the wireless sensor is not
established
dead batteries in the wireless sensor
place the wireless sensor closer
to the main unit
replace the batteries
the measured outdoor
temperature
and rel. humidity are not
accurate
wireless sensor measurement is
affected by ambient conditions
do not expose the wireless
sensor to direct sunlight
place the wireless sensor in
shade at a dry place

9
SAFETY PRECAUTIONS
• Do not expose the device to excessive force, shocks, dust, temperature and humidity
• Do not cover the ventilation holes with any objects like newspapers, curtains, etc.
• Never immerse the device in water. If you spill liquid on it, dry it immediately with a soft, lint-free
cloth
• Do not clean the device with abrasive or corrosive substances
• Do not handle the internal components of the device, as this will void your warranty
• Use only fresh batteries. Never mix fresh and old batteries
• Do not recharge the batteries. Place the station and its parts outside the reach of children
• Do not throw old batteries to unsorted municipal waste, but use the designated areas
• Dispose of this product in accordance with applicable regulations
• Use only accessories specified by the manufacturer
• Do not interfere with the internal circuits of the device, as this may void the warranty
• The technical specifications are subject to change without notice
SPECIFICATION
Main unit
Power supply: power adaptor 230 V, 50 Hz, 90 mA / 4,5 V, 200 mA,
3 pcs batteries type AAA 1.5 V (micro)
Temperature measurement range: -10°C to +50°C
Accuracy of measurement: +/- 1°C
Resolution: 0.1°C
Humidity measurement range: 20% to 99%
Accuracy of measurement: +/- 5%
Resolution: 1%
Bar. pressure measurement range: 800 to 1100 hPa
Dimensions: 143 x 140 x 24 mm (without stand)
Wireless sensor GARNI 045H
Power supply: 2 pcs AAA 1.5 V batteries type (micro)
Temperature measurement range: -40°C to +70°C
Accuracy of measurement: +/- 1°C
Resolution: 0.1°C
Humidity measurement range: 20% to 99%
Accuracy of measurement: +/- 5%
Resolution: 1%
Transmission frequency: 433 MHz
Maximum RF output: 10 dBm (10 mW)
Data transmission interval: 50 s
Range: up to 80 m in open space
Dimensions: 59 x 95 x 25 mm (without stand)
GARNI technology a.s. hereby declares that the type of the radio equipment - weather station type GARNI 525
conforms to the Directive 2014/53/EU. The full EU Declaration of Conformity is available on the following website:
www.garni-meteo.cz
The manual was prepared for GARNI technology a.s. by Roman Gajda.
Reproduction of this manual or its parts is prohibited without the author's consent
Version 1