🕹️ Casio AE1500WH Full Operating Guide – Big Display, Bigger Simplicity

A hands-on walkthrough for the Casio AE1500WH, the large-display, no-nonsense digital watch that’s perfect for daily use, sports, school, or the outdoors.

Grab your AE1500WH. We’re about to walk through every function — in a way you’ll actually remember and enjoy.

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🔥 Why the AE1500WH Is a Fan Favorite

• Giant, clear display
• 5 Multi-function alarms
• 24-hour Stopwatch
• Countdown Timer (up to 24 hrs)
• Dual Time for tracking another time zone
• 10-Year battery life (CR2032)
• LED backlight
• Affordable & durable

It’s like the Swiss Army knife of affordable Casios.

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🔘 Button Layout

• A (Top Left) – Adjust
• B (Top Right) – Light
• C (Bottom Left) – Mode
• D (Bottom Right) – Forward/Change

🎓 Remember this: Hold A to set, Tap C to move, Press D to change.

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⏰ Setting the Time and Date

1. In Timekeeping mode, hold A until the seconds blink

2. Press C to cycle through:

   • Seconds → Hour → Minute → Year → Month → Day

3. Use D to increase values

4. Press A to save when done

🧠 Tip: The day of the week sets automatically with the date.

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🌓 Switch Between 12/24-Hour Format

• In Time Mode, simply press D

You’ll see either:

• No letter (AM), P (PM) for 12-hour format
• Or military-style 00:00 to 23:59 in 24-hour format

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⏱️ Stopwatch – Precision Timing

1. Press C until you reach Stopwatch Mode
2. Press D to Start/Stop
3. Press A to Reset
4. Press A during timing to Split
   → Press again to release Split

Max Time: 23:59:59.99
Perfect for: running laps, workouts, cooking, and more.

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⏳ Countdown Timer – Beat the Clock

1. Go to Timer Mode via C
2. Hold A to enter setting mode
3. Set Hours and Minutes using D
4. Press C to toggle between hour/minute fields
5. Press A to save

To use:

• Start/Stop: D
• Reset: A after stopping

Auto-Repeat:

• In Timer Mode → Hold A → Press B to toggle Auto-Repeat ON/OFF

🔁 When ON, the timer restarts automatically after 0.

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🌍 Dual Time – Track Another Time Zone

1. Press C to enter Dual Time Mode
2. Hold A to start setting
3. Set Hour/Minutes using D
4. Use C to toggle between Hour/Min
5. Press A to save

✈️ Ideal for international meetings or remote team coordination.

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⏰ Alarms + Hourly Time Signal

This watch has:

• 5 Alarms (1 with snooze)
• Hourly Chime (:00 signal)

Set an Alarm:

1. Go to Alarm Mode with C
2. Use D to cycle through AL1–AL5 and :00 (Hourly Chime)
3. Hold A to edit alarm
4. Use C to select field
5. Use D to set Hour/Min/Month/Day

Alarm Types:

• Daily (only Hour/Minute set)
• Date-specific (Month + Day set)
• Monthly (only Day set)
• 1-Month (only Month set)

Enable/Disable:

• Press A in Alarm screen
• SNZ appears if snooze is ON for Alarm 1
• 🔔 symbol = Alarm ON
• :00 = Hourly signal ON

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🔦 Backlight – LED Power

• Press B to illuminate
• Lasts about 1 second
• Works in any mode

💡 Note: Using the backlight frequently may reduce battery life.

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🔋 Battery Life – Built to Last

• Battery: CR2032
• Life: Approx. 10 years (with average use)

💡 Light use and occasional alarms = full decade of use. Seriously.

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⚠️ Quick Troubleshooting

• Nothing happens when pressing buttons?
  → Try pressing firmly once; the buttons are slightly recessed.

• Date is wrong?
  → Check Year setting — leap years are accounted for if set correctly.

• Thermometer?
  → This model doesn’t have one. You're probably thinking of AE2000 or ERA models.

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📊 Specs At a Glance

Feature	Spec
Module Number	3502
Stopwatch	1/100 sec, 24 hr max
Countdown Timer	24 hours, 1-sec unit
Alarms	5 (1 with snooze)
Dual Time	Yes
Hourly Chime	Yes
Backlight	LED (1 sec)
Battery	CR2032 (10-year battery)
Water Resistance	100M

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💬 Final Thoughts – Simple, Tough, and All You Need

The Casio AE1500WH doesn’t try to be fancy. It focuses on readability, longevity, and function. If you want a digital watch you can rely on every day — without having to charge it — you’re holding the right one.

Now that you know every feature, you're ready to unlock your Casio’s full potential.

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