Renkforce C8461 Owner's manual

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Operating instructions

Radio wall clock with thermometer/hygrometer

Item no. 1421069

Intended use

The product is intended for displaying date, time, weekday, indoor temperature, and

humidity. The device features a DCF receiver for automatically adjusting time, date

and weekday. This radio wall clock features an alarm with snooze function, an option

to select the temperature to be displayed in °Celsius or °Fahrenheit, and a large LCD.

The product is intended for desktop or wall installation.

It is intended for indoor use only. Do not use it outdoors.

For safety and approval purposes (CE), you must not rebuild and/or modify this

product. If you use the product for purposes other than those described above, the

product may be damaged. In addition, improper use can cause hazards such as short-

circuiting, re, electric shock etc. Read the instructions carefully and keep them for

future reference. Make this product available to third parties only together with its

operating instructions.

The product corresponds to the legal, national and European requirements. All

company names and product names are trademarks of their respective owners. All

rights reserved.

Delivery content

• Radio wall clock with thermometer/hygrometer

• Operating instructions

Up-to-date Operating instructions:

1. Open www.conrad.com/downloads in a browser or scan the

displayed QR code.

2. Select document type and language and enter the item number

into the search eld. After submitting the query you can

download displayed records.

Safety instructions

Read the operating instructions carefully and especially observe the safety

information. If you do not follow the safety instructions and information on

proper handling in these operating instructions, we assume no liability

for any resulting personal injury or damage to property. Such cases will

invalidate the warranty/guarantee.

• The product is not a toy. Keep it out of the reach of children and pets.

• Do not leave packaging material lying around carelessly. These may

become dangerous playing material for children.

• Protect the product from extreme temperatures, direct sunlight, strong

jolts, high humidity, moisture, ammable gases, vapors and solvents.

• Do not place the product under any mechanical stress.

• If it is no longer possible to operate the product safely, take it out of

operation and protect it from any accidental use. Safe operation can no

longer be guaranteed if the product:

- is visibly damaged,

- is no longer working properly,

- has been stored for extended periods in poor ambient conditions or

- has been subjected to any serious transport-related stresses.

• Please handle the product carefully. Jolts, impacts or a fall even from a

low height can damage the product.

• Do not open/dismantle the product (except for the instructions provided in

this manual regarding the installation/replacement of batteries).

• Never use the product immediately after it has been brought from a cold

room into a warm one. The condensation generated could destroy the

product. The power supply unit also involves danger to life by electric

shock! Allow the device to reach room temperature before connecting

and using it. This may take several hours.

• Correct polarity must be observed while inserting the batteries.

• Batteries should be removed from the device if it is not used for a long

period of time to avoid damage through leaking. Leaking or damaged

batteries might cause acid burns when in contact with skin, therefore use

suitable protective gloves to handle corrupted batteries.

• Batteries must be kept out of reach of children. Do not leave batteries

lying around, as there is risk, that children or pets swallow them.

• All batteries should be replaced at the same time. Mixing old and new

batteries in the device can lead to battery leakage and device damage.

• Do not disassemble, short-circuit or throw batteries into re. Never

recharge non-rechargeable batteries. There is a risk of explosion!

• Consult an expert when in doubt about operation, safety or connection of

the device.

• Maintenance work, adjustments and repairs may be carried out only by a

professional or at a specialist workshop.

• If you have questions which remain unanswered by these operating

instructions, contact our technical support service or other technical

personnel.

Operating elements

1 TIME SET button

2 + button

3 - button

4 SNOOZE button

5 ALARM SET button

6 Suspension eye

7 Slide switch °C/ °F

8 YEAR button

9 RCC button

10 RESET button

11 Foldable feet

12 Battery compartment lid

13 LCD

Symbols in the LCD

Symbol Meaning Symbol Meaning

AM/PM symbol

Radio reception symbol;

very good radio reception

Battery symbol

Good radio reception

Daylight saving time symbol

Bad radio reception

Readings above/below

measuring range

No radio reception

available

Alarm symbol

Bell symbol

Operation

Remove the protective sheet from the LCD (1).

a) Inserting/changing batteries

Install the batteries before rst-time use or replace the batteries when the

battery symbol appears in the LCD. Removing and replacing batteries will delete all

stored settings.

• Open the battery compartment lid (12) and insert four new type AA 1.5 V batteries

(not included) into the battery compartment observing correct polarity (positive/+

and negative/-).

• Reclose the battery compartment.

The lower voltage of rechargeable batteries (rechargeable battery = 1.2 V,

battery = 1.5 V) and the lower capacity result in a shorter operating time

compared to normal batteries. For that reason we recommend you using

high-quality alkaline batteries in order to guarantee long and safe operation.

If the LCD does not show any correct readings or if the LCD is empty, press

the RESET button (10) using a pointed object (e.g. an unfolded paper clip).

The built-in processor will be reset and the radio wall clock will switch to

DCF reception mode.

b) Setting up and installation

In order to guarantee proper DCF reception, the radio wall clock should not

be positioned next to other electronic devices, cables, metal parts, etc.

Do not install the radio wall clock too close to heat sources.

• The rear side of the device features a suspension eye (6) for wall installation.

When drilling screw holes or when tightening screws, make sure not to

damage any existing cables or pipes (including water pipes).

Attach the product using a screw (not included) and let the screw protrude several

millimeters from the wall. Then attach the radio wall clock by placing the suspension

eye onto the screw head. Handle the product carefully during attachment.

• Alternatively, use the foldable feet (11) on the product for installation on a

horizontal, stable and suciently large surface. When installing the product on

valuable furniture, use suitable padding in order to avoid scratching. Unfold the feet

backwards for desktop installation.

Receiving DCF signal

• After installation of the batteries, a short signal will sound, all parts of the display

will light up briey, and then the radio wall clock will automatically search for the

DCF signal. This will be indicated by the ashing

radio reception symbol and the

ashing radio wave icons in the LCD.

• This synchronization procedure usually takes about 6 to 16 minutes. Once the DCF

signal has been decoded, the clock will display the accurate time. After successful

reception, the display will permanently show the radio reception symbol. The number

of displayed radio waves indicates the reception quality. In case of unsuccessful

reception, the LCD will not show any symbol

or show the radio reception symbol

but without radio waves

Do not move the radio wall clock and do not press any button or switch

during that search procedure.

Bad DCF reception is likely in case of metallized, insulated glass windows,

reinforced-concrete structures, coated special wallpapers, in the proximity

of electronic devices, or in basements.

Due to atmospheric disturbances, the radio signal might not be received

instantly in some situations. Let the radio wall clock operate over night,

since reception is better during nighttime.

If the clock does not display the time after approx. 16 minutes, change the

position of the radio wall clock and manually restart the DCF reception

procedure (see chapter “Manual DCF reception”).

Every day at 2 a.m., 8 a.m., 2 p.m. and 8 p.m. the clock

will automatically synchronize the DCF time. That is

enough to keep any time deviation below 1 second

per day.

The DCF signal is transmitted from a station located

in Mainingen (near Frankfurt am Main). Its range is

1500 km, under ideal reception conditions even up to

2000 km. The DCF signal contains, amongst others,

the exact clock time (theoretical time deviation of

one second in one million years!), the date, and the

weekday. Inconvenient manual setting of daylight saving time and wintertime is not

required.

Manual DCF reception

• Press and hold the RCC button (9) for 8 seconds to cancel the manual reception

procedure (“OFF”).

• Press and hold the RCC button (9) for 8 seconds to start the manual reception

procedure (“ON”).

Settings

• If not pressing any button for approx. 1 minute, the setting procedure will be

cancelled. The LCD will show the current clock time.

• Press and hold

+ (2) or - (3) to adjust the values at higher speed.

a) Manually setting the date and time

Manually setting the clock time and calendar is only required, if the radio

wall clock is used outside of the DCF reception area, if you wish to use

another time zone than the one used in Germany, or if the DCF reception is

impaired due to ambient conditions.

A successful DCF reception will override the manual settings for date and

time.

• Press and hold the TIME SET button

(1) until the time format starts ashing in the

display.

• Use the

+ or - button to select the desired display format (12/24 hours). Press

TIMESET button to conrm your settings. The hour digits start ashing.

• Press the

+ or -

button to set the hours. Press TIME SET button to conrm your

settings. The minute digits start ashing.

• Press the

+ or -

button to set the minutes. Press TIME SET button to conrm your

settings. The second digits start ashing.

• Use the

+ or -

button to reset the seconds to “0”. Press TIME SET button to conrm

your settings. The year indicator starts ashing.

• Press the

+ or -

button to set the year. Press TIME SET button to conrm your settings.

The month indicator starts ashing.

• Press the

+ or -

button to set the month. Press TIME SET button to conrm your

settings. The day indicator of the date starts ashing.

• Press the

+ or -

button to set the day. Press TIME SET button to conrm your settings.

The time zone indicator starts ashing.

• Press the

+ or -

button to set the time zone. The time zone can be adjusted in intervals

of one hour. Press TIME SET button to conrm your settings. The abbreviation of the

weekday display starts ashing.

• Use the

+ or -

button to select the language for the weekday display. Select “EN”

(English), “FR” (French), “DE” (German), “ES” (Spanish), “IT” (Italian), “NL” (Dutch)

or “RU” (Russian). Press the TIME SET button to conrm. The DST indicator starts

ashing.

• Use the

+ or -

button to activate (“AUTO”) or to deactivate (“OFF”) the automatic

daylight saving time function. Press TIME SET button to conrm your settings. The

LCD will display the current clock time.

b) Setting the alarm time

• Press and hold the ALARM SET button (5), until the hour digits of the alarm time start

ashing and the

alarm symbol appears next to the alarm time in the display. The

radio wall clock is then in alarm setting mode. The hour digits of the alarm time start

ashing.

• Press the + or - button to set the hours. The

bell symbol appears on top of the

alarm symbol. The alarm function has been activated. Press ALARM SET button to

conrm your settings. The minute digits of the alarm time start ashing.

• Press the + or - button to set the minutes. Press ALARM SET button to conrm your

settings. The clock time and the

bell symbol appear in the display.

c) Activating/deactivating the alarm

• Briey press the ALARM SET button to switch to alarm mode. The alarm time and

the

alarm symbol will appear in the LCD.

• In alarm mode, press the ALARM SET button repeatedly until the

symbol appears

in the display. The alarm is then activated.

• In alarm mode, press the ALARM SET button repeatedly until the

disappears. The

alarm is then deactivated.

d) Turning o the alarm signal & using the snooze function

• The alarm signal will sound at the pre-set time. The

bell symbol appears. The

alarm will turn o automatically after 2 minutes.

• During these 2 minutes, you can pause the alarm for approx. 5 minutes by pressing

the SNOOZE button (4). The

bell symbol appears. The alarm will sound again after

approx. 5 more minutes (snooze function). You can repeat that function as many

times as you want.

• Press the ALARM SET button to turn o the alarm signal or the snooze function.

• The alarm will sound again after 24 hours.

e) Displaying the year

• Press the YEAR (8) button. Instead of the date, the display will show the year for a

few seconds.

f) Selecting the temperature unit

• Set the °C/ °F slide switch (7) accordingly in order to select the desired temperature

unit (°C or °F).

This is a publication by Conrad Electronic SE, Klaus-Conrad-Str. 1, D-92240 Hirschau (www.conrad.com).

All rights including translation reserved. Reproduction by any method, e.g. photocopy, microlming, or the capture in electronic data

processing systems require the prior written approval by the editor. Reprinting, also in part, is prohibited. This publication represents the

technical status at the time of printing.

g) Readings beyond the measuring range

• If a current temperature or humidity reading is below the measuring range, the

display will show

; if above the measuring range, the display will show

h) Displaying daylight saving time

• The

daylight saving time symbol appears, once the device receives the daylight

saving time signal.

• If you want to deactivate the automatic daylight saving time function, please refer

to chapter “a) Manually setting the date and time” and proceed accordingly. The

automatic daylight saving time function is activated by factory default.

i) Resetting the radio wall clock

• Press the RESET button (10) using a pointed object (e.g. with an unfolded paper

clip), if the display does not show any concrete readings. The radio wall clock will

be reset. This will cause all previous settings to be deleted. The radio wall clock will

switch to DCF reception mode.

Any manual settings, such as alarm time, must be set again.

Maintenance and cleaning

• Apart from replacing the batteries, this product is maintenance-free. Never

dismantle.

• Never use aggressive or abrasive cleaning agents, rubbing alcohol or other

chemical solvents, as those can damage the housing or even aect the operation

of the product.

• Never submerge the product in water.

• Remove the batteries before cleaning. Clean the product with a clean, soft and dry

cloth only.

Declaration of Conformity (DOC)

We, Conrad Electronic SE, Klaus-Conrad-Straße 1, D-92240 Hirschau, hereby declare

that this product conforms to the fundamental requirements and the other relevant

regulations of the directive 1999/5/EC.

The Declaration of Conformity for this product can be found at

www.conrad.com.

Disposal

a) Product

Electronic devices are recyclable waste and must not be disposed of in the

household waste.

At the end of its service life, dispose of the product in accordance with

applicable regulatory guidelines.

Remove any inserted batteries and dispose of them separately from the

product.

b) Batteries

You as the end user are required by law (Battery Ordinance) to return all used batteries.

Disposing of them in the household waste is prohibited.

Contaminated batteries are labelled with this symbol to indicate that

disposal in the domestic waste is forbidden. The designations for the heavy

metals involved are: Cd = Cadmium, Hg = Mercury, Pb = Lead (name on

batteries, e.g. below the trash icon on the left).

Used batteries can be returned to collection points in your municipality,

our stores or wherever batteries are sold.

You thus fulll your statutory obligations and contribute to the protection of the

environment.

Technical data

Power supply .......................................4 x 1.5 V battery, type AA (not included)

Temperature display ........................... -10 to +60 °C

Humidity display ..................................20 - 90 % RH

Time signal ...........................................DCF77

Operating conditions ..........................-5 to +50 °C, 20 - 90 % RH

Storage conditions..............................-10 to +60 °C, 20 - 90 % RH

Dimensions (W x H x D)......................430 x 288 x 32 mm

Weight ...................................................approx. 1.4 kg

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Renkforce C8461 Owner's manual

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