1.Overview
The Casio LA20WH Series Digital Watch is designed for everyday use, offering reliable timekeeping with additional features such as a stopwatch, daily alarm, and LED backlight. Its compact and durable resin construction ensures comfort and longevity. This manual provides detailed instructions for setting up and operating your watch.

Figure 1: Casio LA20WH Series Digital Watch (Black/Black variant)
2. Nøglefunktioner
- Digital tidsvisning: Hours, Minutes, Seconds, AM/PM.
- Automatisk kalender: Displays Month, Date, and Day of the Week.
- 1/100 sekund stopur: Til præcis tidsmåling.
- Daglig alarm: Audible alert at a set time.
- LED lys: Lyser displayet op for at give bedre synlighed under dårlige lysforhold.
- Vandtæthed: Suitable for everyday splashes and rain.
- Lang batterilevetid: Cirka 5 år.
3. Urkomponenter
Familiarize yourself with the main components and buttons of your Casio LA20WH watch:

Figur 2: Forside View (Sort)

Figur 3: Forside View (Pink/White variant)
- Vise: Shows time, date, day, and other function indicators.
- Tilstandsknap (nederst til venstre): Cycles through different modes (Timekeeping, Alarm, Stopwatch).
- Light Button (Right-Bottom): Activates the LED backlight. Also used for resetting stopwatch or adjusting settings.
- Start/Stop Button (Right-Top): Used to start/stop the stopwatch or adjust settings.
- Rem: Durable resin strap with a buckle clasp.
4. Opsætning
4.1 Indstilling af tid og dato
- I tidsvisningstilstand skal du trykke på Mode button three times until the seconds digits start flashing. This indicates you are in setting mode.
- Tryk på Start/Stop button to cycle through the settings: Seconds → Hour → Minutes → Month → Date → Day of Week.
- Brug Lys button to increase the flashing value. Hold it down to change values rapidly.
- Når alle indstillinger er korrekte, skal du trykke på Mode knappen for at forlade indstillingstilstanden.
4.2 12/24-Hour Format Selection
I tidsvisningstilstand skal du trykke på Start/Stop knappen til at skifte mellem 12-timers og 24-timers (militær) tidsformater.
5. Betjeningsvejledning
5.1 Tidtagningstilstand
This is the default mode, displaying the current time, date, and day of the week. To return to this mode from any other mode, press the Mode button until the current time is displayed without any flashing digits.
5.2 Stopurstilstand
The stopwatch measures elapsed time in 1/100-second units.
- Fra tidsvisningstilstand skal du trykke på Mode Tryk én gang på knappen for at gå i stopurstilstand. Displayet viser '00:00:00'.
- Tryk på Start/Stop knappen for at starte stopuret.
- Tryk på Start/Stop knappen igen for at stoppe stopuret.
- For at nulstille stopuret til '00:00:00' skal du trykke på Lys knappen, mens stopuret er stoppet.

Figure 4: Stopwatch Function
5.3 Alarmtilstand
Set a daily alarm to sound at a specific time.
- Fra tidsvisningstilstand skal du trykke på Mode button twice to enter Alarm Mode. The display will show the alarm time.
- Tryk på Start/Stop button to toggle the alarm ON/OFF. An alarm indicator will appear/disappear.
- For at indstille alarmtidspunktet skal du trykke på Mode button while in Alarm Mode until the hour digits flash.
- Brug Lys knappen for at justere timetallet. Tryk på Start/Stop for at gå til minutter, brug derefter Lys for at justere minutter.
- Tryk på Mode knappen for at afslutte alarmindstillingstilstand.

Figur 5: Alarmfunktion
5.4 LED lys
To illuminate the display, press the Lys button. The light will stay on for a few seconds.
6. Vedligeholdelse
6.1 Vandtæthed
Your Casio LA20WH watch is rated as Water Resistant, meaning it can withstand splashes, rain, and brief immersion in water (e.g., washing hands). It is not recommended for swimming, diving, or prolonged water exposure. Do not operate buttons while the watch is wet.

Figure 6: Water Resistance Indicator
6.2 Udskiftning af batteri
The watch is powered by one Lithium Metal battery, with an approximate life of 5 years. When the display becomes dim or functions become erratic, it may be time for a battery replacement. It is recommended to have the battery replaced by a qualified watch technician to ensure proper sealing and maintain water resistance.
6.3 Rengøring
Wipe the watch with a soft, dry cloth to remove dirt and moisture. For stubborn grime, a slightly damp en klud kan bruges, efterfulgt af øjeblikkelig tørring. Undgå at bruge kemiske rengøringsmidler eller opløsningsmidler.
7. Fejlfinding
| Problem | Løsning |
|---|---|
| Skærmen er tom eller svag. | Battery may be low. Replace the battery. |
| Tidspunktet er forkert. | Se afsnit 4.1 for at nulstille tid og dato. |
| Alarmen lyder ikke. | Ensure the alarm is activated in Alarm Mode (Section 5.3). Check battery level. |
| Knapperne reagerer ikke. | Ensure the watch is dry. If problem persists, battery may be low or a reset may be needed (consult Casio support). |
8. Specifikationer
| Feature | Detalje |
|---|---|
| Modelnummer | LA20WH-1C |
| Display Type | Digital |
| Etui materiale | Harpiks |
| Båndmateriale | Harpiks |
| Æske diameter | 30 millimeter |
| Sags tykkelse | 10 millimeter |
| Vandmodstand | Water Resistant (suitable for splashes) |
| Strømkilde | Batteridrevet (1 lithiummetalbatteri inkluderet) |
| Batterilevetid | Ca. 5 år |
| Særlige funktioner | LED Light, Auto Calendar, 1/100 Sec Stopwatch, Daily Alarm |
9. Garanti og support
Your Casio LA20WH Series Digital Watch comes with a manufacturer's warranty. For detailed information regarding warranty coverage, service, or additional support, please visit the official Casio webwebstedet eller kontakt deres kundeserviceafdeling. Behold din købskvittering som købsbevis.
Video 1: Overståetview of Casio Women's Classic Watch (Model: LA-20WH-1CCF). This video demonstrates the watch's design and basic features.