Rhagymadrodd
This manual provides detailed instructions for the setup, operation, and maintenance of your TFA 98.1087 Digital Radio-Controlled Alarm Clock. This compact and functional alarm clock features a radio-controlled time display, two alarm settings with snooze function, a thermometer, and a calendar. Please read this manual carefully to ensure proper use and to fully utilize all features of your device.
Nodweddion Allweddol:
- Radio-controlled time for automatic and precise synchronization.
- Two independent alarm settings with different sounds.
- Snooze function for temporary alarm interruption.
- Integrated thermometer displaying temperature in Celsius or Fahrenheit.
- Calendar display with day of the week in multiple languages.
- Backlight yn hawdd viewing mewn amodau ysgafn isel.
- Compact design, ideal for home or travel.
Gosod
1. Gosod Batri
The TFA 98.1087 alarm clock requires 2 AAA batteries (included). Follow these steps to install them:
- Lleolwch yr adran batri ar gefn y cloc larwm.
- Open the battery compartment cover by sliding it down or lifting the latch.
- Mewnosodwch ddau fatri AAA, gan sicrhau'r polaredd cywir (+ a -) fel y nodir y tu mewn i'r adran.
- Caewch y clawr adran batri yn ddiogel.

Delwedd: Cefn view of the alarm clock showing the battery compartment. Ensure batteries are inserted with correct polarity.

Delwedd: Cefn onglog view of the alarm clock, highlighting the battery compartment and the integrated stand for stable placement.
2. Initial Time Synchronization (Radio Control)
Upon battery installation, the alarm clock will automatically attempt to synchronize with the DCF radio signal (Frankfurt, Germany) to set the correct time, date, and day of the week. This process may take a few minutes. For best reception, place the clock near a window and away from electronic devices that might cause interference.
- A radio signal icon will appear on the display to indicate successful reception.
- If the signal is weak or unavailable, the clock can be set manually.
Cyfarwyddiadau Gweithredu
1. Manual Time and Date Setting
If radio control is not desired or unavailable, you can set the time and date manually:
- Pwyswch a dal y MODD button until the time display starts flashing.
- Defnyddiwch y UP (▲) a I LAWR (▼) buttons to adjust the hours, then press MODD i gadarnhau.
- Ailadroddwch am funudau, blwyddyn, mis a diwrnod.
- Gwasgwch MODD eto i adael y modd gosod.

Delwedd: Blaen view of the alarm clock, showing the digital display and control buttons for setting time and alarms.
2. Gosod Larymau (Larwm 1 a Larwm 2)
The clock features two independent alarms. To set an alarm:
- Gwasgwch y ALARM botwm unwaith i view Alarm 1 time. Press again for Alarm 2.
- Tra viewing the desired alarm time, press and hold the ALARM botwm nes bod amser y larwm yn fflachio.
- Defnyddiwch y UP (▲) a I LAWR (▼) buttons to adjust the hours, then press ALARM i gadarnhau.
- Ailadroddwch am funudau.
- Gwasgwch ALARM eto i adael y modd gosod.
- I actifadu/dadactifadu larwm, pwyswch y ALARM button repeatedly until the alarm icon (bell symbol) for Alarm 1 or Alarm 2 appears/disappears on the display.
3. Swyddogaeth Snooze
Pan fydd larwm yn canu, pwyswch y botwm mawr SNOOZE / GOLAU button on top of the clock to temporarily silence the alarm. The alarm will sound again after approximately 4-5 minutes.
4. Atal y Larwm
To permanently stop an alarm when it is sounding, press any button on the front panel (e.g., ALARM, MODD, UP, I LAWR) except the SNOOZE / GOLAU botwm. Bydd y larwm yn ailosod ar gyfer y diwrnod nesaf.
5. Golau cefn
Gwasgwch y mawr SNOOZE / GOLAU button on top of the clock to illuminate the display for approximately 5 seconds, allowing for easy viewing yn y tywyllwch.
6. Arddangos Tymheredd
The clock displays the ambient temperature. To switch between Celsius (℃) and Fahrenheit (℉), press the ℃ / ℉ button (if available, or check manual for specific button). If no dedicated button, it might be part of the MODE settings.
Note: The provided product details indicate "Indicador de temperatura" (Temperature indicator) but do not specify a dedicated button for unit change. This function is typically found within the MODE settings or a specific C/F button.
7. Dual Time Setting
The clock supports a dual time function, allowing you to display a second time zone. Consult the full product manual for specific instructions on setting and switching to dual time mode, as this often involves a combination of button presses.

Delwedd: Ochr view of the alarm clock, illustrating its compact profile and stable integrated stand.
Cynnal a chadw
1. Amnewid Batri
When the display dims or the clock functions become erratic, it is time to replace the batteries. Follow the battery installation steps in the "Setup" section. Always replace both batteries at the same time with new AAA alkaline batteries. Dispose of old batteries responsibly according to local regulations.
2. Glanhau
Clean the alarm clock with a soft, dry cloth. Do not use abrasive cleaners or solvents, as these can damage the casing or display. Avoid exposing the device to excessive moisture.
Datrys problemau
| Problem | Achos Posibl | Ateb |
|---|---|---|
| Mae'r arddangosfa'n wag neu'n dywyll. | Batris isel neu wedi'u gwahanu. | Amnewid gyda batris AAA newydd. |
| Time is incorrect or not setting automatically. | Weak or no radio signal reception. |
|
| Nid yw'r larwm yn canu. | Nid yw'r larwm wedi'i actifadu neu wedi'i osod yn anghywir. |
|
| Buttons are unresponsive or difficult to press. | General wear or internal issue. |
|
| Alarm volume is too loud/quiet. | Fixed volume setting. | The alarm volume is generally fixed. Some users have reported modifying the speaker opening on the back with a small piece of cloth to dampen the sound if it's too loud. This is an unofficial modification and should be done with caution. |
Manylebau
- Rhif Model: 98.1087
- Brand: TFA
- Dimensiynau: 4.6 x 7.8 x 8 cm (1.8 x 3.1 x 3.1 modfedd)
- Pwysau: 160 g (0.35 pwys)
- Ffynhonnell Pwer: 2 x batris AAA (wedi'u cynnwys)
- Math Arddangos: Digidol
- Deunydd: Plastig
- Nodweddion arbennig: Alarm, Temperature Indicator, Snooze Function, Radio-Controlled Time
- Lliw: Du
Gwybodaeth Gwarant
Specific warranty terms and conditions for the TFA 98.1087 Digital Alarm Clock may vary by region and retailer. Please refer to the warranty card included with your product or contact your point of purchase for detailed information regarding warranty coverage, duration, and claims procedures. Keep your proof of purchase for warranty purposes.
Cefnogaeth i Gwsmeriaid
For further assistance, technical support, or inquiries not covered in this manual, please visit the official TFA website or contact their customer service department. Contact details can typically be found on the manufacturer's packaging or websafle.
Gwneuthurwr: TFA Dostmann GmbH & Co. KG