Manual TFA 60.2527 (page 1 of 2) (English)

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RADIO CONTROLLED ALARM CLOCK

WITH

AIR QUALITY MONITOR

Instructions manual

Cat. No. 60.2527.10

Thank you for choosing this instrument from TFA.

Our "Big Air Monitor" shows you how used and polluted your air really

is. It allows you then to ventilate in an energy efficient way and to

ensure a healthy indoor climate at home or in the office.

Headaches, dizziness and fatigue are often due to an excessive

concentration of volatile organic compounds from natural and artificial

sources of emissions.

The air quality sensor detects more than 5,000 substances in the air

which can be harmful to people, for example formaldehyde, solvents,

carbon monoxide, methane or cigarette smoke.

The device displays the air quality with different levels and warns of

invisible dangers!

Important!

Please keep in mind that after setting up the instrument a reliable

value is displayed only after about 5 days. The sensor has to

adjust itself to the actual conditions at the installation site and

find a reference level.

Until this process is complete, the instrument initially shows

higher values.

BEFORE YOU USE IT

Please make sure to read the instruction manual carefully.

This information will help you to familiarise yourself with your new

device, to learn all of its functions and parts, to find out important

details about its first use and how to operate it, and to get advice in

the event of faults.

Following and respecting the instructions in your manual will prevent

damage to your instrument and loss of your statutory rights arising

from defects due to incorrect use.

We shall not be liable for any damage occurring as a result of not

following these instructions. Likewise, we take no responsibility

for any incorrect readings and for any consequences which may

result from them.

Please take particular note of the safety advice!

Please keep this instruction manual for future reference.

SCOPE OF DELIVERY:

• Radio controlled alarm clock with air quality monitor

• Instruction manual

FIELD OF OPERATION AND ALL THE BENEFITS OF

YOUR NEW INSTRUMENT AT A GLANCE:

• Radio-controlled clock with highest precision and manual

setting option

• Alarm with snooze function

• Date display

• Air quality monitor with various levels

• Acoustic and visual alarm function

• Indoor temperature and humidity

• Backlight

FOR YOUR SAFETY:

•

The product is exclusively intended for the field of application

described above. The product should only be used as

described within these instructions.

• Unauthorised repairs, modifications or changes to the product

are prohibited.

•

This product is not to be used for medical purpose or for public

information; it is only intended for home use.

Caution!

Risk of injury:

•

Keep this instrument and the batteries out of the reach of

children.

• Batteries must not be thrown into the fire, short-circuited, taken

apart or recharged. Risk of explosion!

• Batteries contain harmful acids. Low batteries should be

changed as soon as possible to prevent damage caused by a

leaking battery. Never use a combination of old and new

batteries together or batteries of different types. Wear

chemical-resistant protective gloves and glasses when

handling leaking batteries.

! Important information on product safety!

• Do not place your product near extreme temperatures,

vibrations or shocks.

• Protect it from moisture.

ELEMENTS:

The air quality monitor

SETTING UP:

1. Open the battery compartment at the back of the device. Insert

two new batteries 1,5V C, IEC LR14. Make sure the polarities

are correct. Close the battery compartment again.

2. When the batteries are inserted, all the segments of the LCD

will light up briefly and a “beep” will sound.

3. The device will now start receiving the DCF time signal. After

approximate 3 to 10 minutes, the DCF time will be displayed.

4. If there is no DCF reception possible after 10 minutes, you

have also the possibility to set the time manually (see: Manuel

settings).

RADIO-CONTROLLED TIME RECEPTION

The time base for the radio-controlled time is a cesium atomic clock

operated by the Physikalisch Technische Bundesanstalt

Braunschweig. It has a time deviation of less than one second in one

million years. The time is coded and transmitted from Mainflingen near

Frankfurt via frequency signal DCF-77 (77.5 kHz) and has a

transmitting range of approximately 1,500 km. Your radio controlled

clock receives this signal, converts it to show the precise time.

Changeover from summer time or winter time is automatic. The quality

of the reception depends mainly on the geographic location. Normally

there should be no reception problems within a 1,500 km radius

around Frankfurt.

The DCF reception always takes place at 02:00 and 03:00 am. If the

reception is not successful received at 03:00 am, the next attempt will

be held at 02:00 am the next day.

Please take note of the following:

• The recommended distance to any interfering sources like

computer monitors or TV sets is at least 1.5 - 2 meters.

• Inside Ferro-concrete rooms (basements, superstructures), the

received signal is naturally weakened. In extreme cases,

please place the unit close to a window to improve the

reception.

• During nighttime, the atmospheric interference is usually less

severe and reception is possible in most

cases. A single daily

reception is adequate to keep the accuracy deviation under 1

second.

BUTTON FUNCTIONS:

The device has 5 easy-to-use buttons:

By each button press the backlight will be activated for about 10

seconds.

LCD SCREEN

• Press the SET button in normal mode to show the calendar for

about 6 seconds.

• Press the MODE button in normal mode to toggle between:

Equivalent CO

ppm display, seconds and alarm display.

AIR QUALITY INDICATOR

* The air quality value shown, after sensor conditioning, may differ +/-

250 ppm.

The air quality sensor detects more than 5,000 harmful substances in

the air.

The measured values are attributed to CO

- equivalent units of ppm

to maintain compatibility with CO

ventilation standards.

Note:

An Equivalent CO

ppm value will appear after 30 minutes after setup.

The instrument initially shows higher values. The device adjusts itself

to the actual conditions at the installation site and finds a reference

level. A reliable value is displayed only after about 5 days located at

the same place.

AIR QUALITY SYMBOL

The air quality symbol (arrow) is located on the bottom of the LCD.

The bar graph measures from GOOD (green) until BAD (red) and is

printed on the edge of the housing.

Levels Equivalent CO

ppm

GOOD (level 1) 450 – 600ppm

Level 2 650 – 800ppm

Level 3 850 – 1000ppm

Level 4 1050 – 1200ppm

Level 5 1250 – 1500ppm

Level 6 1550 – 1800ppm

Level 7 1850 – 2100ppm

Level 8 2150 – 2400ppm

BAD (level 9) ≥ 2450ppm

MANUAL SETTINGS:

The following manual settings can be done in the setting mode:

• Time zone setting

• DCF ON/OFF setting

• 12/24 hour time setting

•

Manual time setting

• Calendar setting

•

Snooze function setting

• ºC / ºF temperature display setting

• Air quality alert setting

Press and hold the SET button for about 3 second to enter the setting

mode:

TIME ZONE SETTING

The time zone default is "0h". To set a different time zone:

1. 0h starts flashing.

2. Use the +button to set the time zone. The range runs from 0,

1, 2…until -12, and then from 12, 11, 10 back to 0.

3. Confirm with the SET button and enter the Time reception

On/Off setting.

TIME RECEPTION ON/OFF SETTING

In area where is no DCF reception is possible, you have also the

possibility to deactivate the DCF reception manually (OFF). The clock

will then work as a normal quartz clock (Default is ON).

1. The symbol “ON” and the reception symbol will start flashing on

the LCD.

2. Use the + button to deactivate (OFF) the time reception

function if necessary.

3. Confirm with the SET button and enter the 12/24 hour time

display setting.

Note:

If the time reception function is deactivated (OFF) manually, the clock

will not attempt any reception of the radio-controlled time (DCF time)

as long as the time reception will be activated (ON) again. If the time

reception is deactivated (OFF) the DCF symbol disappears.

12/24 HOUR TIME DISPLAY SETTING

1. “12hr” or “24hr” flashes in the LCD (default is 24hr).

2. Press the + button to select the “12hr” or “24hr” display mode.

3. Confirm with the SET button and enter the Manual time

setting.

Note:

When 24h time display is selected, the calendar format will be date

and month display. When 12h time display is selected, the calendar

format will be month and date display.

MANUAL TIME SETTING

In case the device is not able to attempt the radio-controlled time

(disturbances, transmitting distance, etc.), the time can be manually

set. The clock will then work as a normal quartz clock.

To set the clock:

1. The hour digits will be flashing in the display.

2. Use the + button to adjust the hours. Press the SET button to

go to the minute setting.

3. The minute will be flashing. Press the + button to just the

minutes.

4. Confirm with the SET button and enter the Calendar setting.

Flashing

ET button

ALARM button

+ button

MODE

button

SNOOZE button

Flashing

Function buttons

LCD display

Function button

Air quality indicator

Bar graph

Equivalent CO

ppm (parts per

million)*

Battery

compartment

Sensor

Time

Low battery icon

Indoor temperature

in ºC/ºF

Alarm time /

Equivalent CO

ppm / seconds

display

Indoor relative

humidity % RH

Alarm icon

DCF Tower icon (for time reception)

Air quality indicator

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Others manual(s) of TFA 60.2527

TFA 60.2527 User Manual - German - 2 pages

TFA 60.2527 User Manual - Dutch - 2 pages

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TFA 60.2527 Manual

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