🔋 Casio G5600UE Tough Solar Guide – Built to Last, Easy to Master

This is a hands-on guide for the Casio G-Shock G5600UE — your solar-powered, shock-resistant powerhouse.

This document will walk you through every function, from basic time setting to advanced features like Power Saving and World Time. Let's get started.

---

🌟 What Makes the G5600UE Special?

• Tough Solar charging system
• Shock resistance (legendary G-Shock durability)
• World Time (48 cities!)
• Countdown Timer, Stopwatch, 5 Alarms
• 200M Water Resistance
• Auto EL backlight
• Multi-Band 6 (on select variants)

This is not just a watch. It's a survival instrument disguised as a retro square beauty.

---

🧭 Layout – Your Buttons

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

🎯 Most actions follow this flow:
Hold A → Tap C to cycle → Tap D to change values

---

🕒 Timekeeping Mode – Let's Set It Right

1. From Time mode, hold A until city code flashes

2. Use D to scroll through your city (e.g., DEL, NYC, LON)

3. Press C to cycle:

   • DST → Hour → Minute → Year → Month → Date → 12/24hr → Signal reception → Light duration → Power Save

4. Use D to adjust; B previews the backlight

5. Press A to save and exit

🌍 Set your home city wisely. It affects World Time, DST, and atomic sync accuracy.

---

🌎 World Time Mode – Hop Across Time Zones

1. Press C to enter World Time
2. Use D to scroll through 48 cities
3. To swap World/Home time, hold A for 2 seconds

✈️ Perfect for travelers, remote workers, or night owls syncing with other zones.

---

⏱️ Stopwatch – Grit-Ready Timing

• Enter Stopwatch mode via C
• D to start/stop
• A for split timing
• A again to reset

💪 Use it for workouts, meetings, Pomodoro cycles — precision never felt this durable.

---

⏳ Countdown Timer – Stay On Track

1. Enter Timer Mode
2. Hold A to enter set mode
3. Use D/C to set hours/minutes
4. D starts/stops, A resets

⏰ At 00:00 it beeps loud enough to wake your routine.

---

⏰ Alarm Mode – Your G-SHOCK Assistant

• 5 daily alarms + 1 snooze + hourly signal
• Scroll through AL1–AL5, SNZ, SIG with D

To Set:

1. Hold A to enter edit mode
2. Adjust hours/minutes with D
3. Press A to save
4. Toggle alarm ON/OFF with C

💡 Great for silent reminders — hydration, prayer, study breaks.

---

💡 Backlight & Auto Light

• Tap B to activate EL light (electro-luminescent)
• Hold A in Time Mode → cycle to light duration → 1.5s or 3s

Auto Light:

• Hold B for 2 seconds → "LT" icon shows
• Now tilt your wrist 40° in the dark and it glows!

🔋 Use wisely: Auto Light uses more power.

---

🔋 Power & Charging – Solar Wizardry

• Solar panel on the face powers a CTL1616 rechargeable battery
• Battery level: H (High), M (Medium), L (Low)

🌞 Place near a window, NOT direct sun for hours.
💡 Indoor fluorescent lights help too.

Power Saving:

• Watch sleeps in the dark to conserve battery
• Reactivates with any button press or movement

---

🔕 Mute Button Sounds

• Hold C to toggle button tones
• "MUTE" appears = stealth mode active

---

🔧 Troubleshooting

Low battery?
– Avoid frequent light use. Charge via ambient light.

Strange time shift?
– Check DST settings or signal sync status.

Can't change time?
– You may be in a "receive hold" mode. Wait or disable auto sync.

---

📊 Technical Specs

Feature	Detail
Module	3229
Battery	CTL1616 (Rechargeable)
Power System	Tough Solar
Stopwatch	24-hour, 1/100s
Timer	24-hour countdown
Alarms	5 + snooze + hourly beep
Backlight	EL + Auto Light
Water Resistance	200M

---

🧠 Final Thoughts – A Legacy on Your Wrist

You now hold one of Casio's most enduring icons — not just rugged, but smartly laid out and built for real-world use. It's okay to geek out. Set your alarms. Practice the stopwatch. Tilt for the backlight like a kid.

The G5600UE isn't a toy. But wow, is it fun to use.