Casio G-Shock GW-7900B-1JF Tough Solar Watch User Manual

1. Киришүү

This manual provides detailed instructions for the proper use and maintenance of your Casio G-Shock GW-7900B-1JF Tough Solar watch. Please read this manual thoroughly to ensure optimal performance and longevity of your timepiece. Keep this manual for future reference.

Сүрөт 1.1: Алдыңкы view of the Casio G-Shock GW-7900B-1JF watch, displaying its digital time, date, and various indicators.

Casio G-Shock GW-7900B-1JF watch on a wrist

Image 1.2: The Casio G-Shock GW-7900B-1JF watch worn on a wrist, showing its size and fit.

2. Негизги өзгөчөлүктөрү

Tough Solar Power: Utilizes solar panels to convert light into electrical energy, charging a rechargeable battery. This eliminates the need for regular battery replacement.
Multi Band 6 Atomic Timekeeping: Receives time calibration signals from six transmission stations worldwide (Japan, North America, UK, Germany, China) to automatically correct the time.
шок каршылык: Designed to withstand impacts and vibrations, protecting the internal module.
200 метр сууга туруктуулугу: Suitable for swimming, showering, and various water sports.
Tide Graph & Moon Data: Provides information on tide levels and moon phases, useful for marine activities.
Full Auto EL Backlight: Electro-luminescent backlight illuminates the display automatically in low light conditions when the watch is tilted towards the face.
Дүйнөлүк убакыт: Дүйнө жүзү боюнча 48 шаарда (31 убакыт алкагы) учурдагы убакытты көрсөтөт.
Секундомер: 23:59'59.99'' чейин өлчөө кубаттуулугу менен 1/100 секунддук секундомер.
Артка саноо таймери: 1 секунданын өлчөө бирдиги, 24 сааттык артка санак диапазону.
Ойготкучтар: 5 independent daily alarms and 1 snooze alarm.

Casio G-Shock GW-7900B-1JF watch displaying shock resistance

Image 2.1: Illustration of the watch's shock-resistant structure, highlighting its durability.

Casio G-Shock GW-7900B-1JF watch in water demonstrating water resistance

Image 2.2: The watch submerged in water, illustrating its 200-meter water resistance capability.

3. Баштапкы орнотуу

3.1 Саатты кубаттоо (Tough Solar)

Your watch is powered by a solar cell and a rechargeable battery. To ensure proper operation, expose the watch face to light regularly. The watch will charge even under fluorescent light, but direct sunlight is most efficient.

Place the watch where its face is exposed to bright light.
Avoid covering the watch face with clothing or other objects.
The "CHG" indicator will appear when charging. The "P" indicator signifies full charge.

Note: Prolonged use in darkness or storage in a dark place can deplete the battery, leading to incorrect timekeeping or loss of functions.

3.2 Receiving Time Calibration Signals (Multi Band 6)

The watch automatically receives time calibration signals to maintain accurate time. Manual reception is also possible.

Автоматтык кабыл алуу:

The watch attempts to receive the calibration signal up to six times a day (five times a day for the Chinese calibration signal).
For best reception, place the watch near a window at night.
Ensure the watch is not covered by metal objects.

Кол менен кабыл алуу:

In Timekeeping Mode, hold down the "ADJUST" button for about two seconds until the city code starts to flash.
Press the "MODE" button repeatedly until the "RCVD" indicator appears.
Press the "ADJUST" button to initiate reception. The watch will display "GET" while attempting to receive the signal.
Once successful, "RCVD" will appear. If unsuccessful, "ERR" will be displayed.

Image 3.1: A radio tower, symbolizing the Multi Band 6 atomic timekeeping feature that receives time calibration signals.

3.3 Setting Home City and Daylight Saving Time (DST)

In Timekeeping Mode, hold down the "ADJUST" button until the city code starts to flash.
Use the "REV" (Split/Reset) and "FWD" (Start/Stop) buttons to select your desired Home City code.
Press the "MODE" button repeatedly to cycle through settings: DST, 12/24-hour format, seconds, hour, minute, year, month, day, illumination duration, and power saving.
Adjust each setting using the "REV" and "FWD" buttons.
Press "ADJUST" to exit the setting screen.

4. Иштөө нускамалары

The watch features five buttons: "ADJUST", "REV" (Split/Reset), "FWD" (Start/Stop), "MODE", and "LIGHT".

Side view of Casio G-Shock GW-7900B-1JF watch showing buttons

Сүрөт 4.1: Каптал view of the watch, indicating the positions of the "ADJUST", "MODE", "REV", and "FWD" buttons.

4.1 Navigating Modes

Press the "MODE" button to cycle through the following modes:

Убакытты сактоо режими
Толкун/Ай маалымат режими
Дүйнөлүк убакыт режими
Ойготкуч режими
Секундомер режими
Артка саноо Таймер режими

4.2 Убакытты эсепке алуу режими

This mode displays the current time, date, and day of the week. It is the default mode.

To toggle between 12-hour and 24-hour format, press the "FWD" button in Timekeeping Mode.

4.3 Tide/Moon Data Mode

This mode displays the tide graph and moon phase for a specific date and time.

Enter Tide/Moon Data Mode by pressing the "MODE" button.
Hold "ADJUST" to enter setting mode.
Use "REV" and "FWD" to select the desired date and time for tide/moon data.
Press "ADJUST" to exit.

4.4 Дүйнөлүк убакыт режими

View the current time in 48 cities (31 time zones) around the globe.

In World Time Mode, use "REV" and "FWD" to scroll through city codes.
To swap your Home City time with the World Time City time, hold down the "ADJUST" button for about three seconds.

4.5 Ойготкуч режими

Set up to 5 daily alarms and one snooze alarm.

In Alarm Mode, use "REV" and "FWD" to select an alarm (AL1 to AL5, SNZ, SIG).
Hold "ADJUST" to enter alarm time setting. The hour digits will flash.
Use "REV" and "FWD" to change the hour. Press "MODE" to move to minutes.
Use "REV" and "FWD" to change the minutes.
Press "ADJUST" to set the alarm.
Press "FWD" to toggle the alarm ON/OFF.

4.6 Секундомер режими

1/100 секунддук тактык менен өткөн убакытты өлчөңүз.

Секундомер режиминде:
Press "FWD" to start.
Press "FWD" again to stop.
Press "REV" to reset.
For split times, press "REV" while the stopwatch is running. Press "REV" again to release the split and continue timing.

4.7 Артка саноо таймеринин режими

Set a countdown from 1 second up to 24 hours.

In Countdown Timer Mode, hold "ADJUST" to enter setting mode.
Use "REV" and "FWD" to set the desired countdown start time (hours, then minutes, then seconds).
Press "ADJUST" to set the timer.
Press "FWD" to start or stop the countdown.
Press "REV" to reset the timer to its start time.

4.8 Illumination (Backlight)

Press the "LIGHT" button to illuminate the display. The watch also features an Auto EL Light function.

Auto EL Light:

Hold the "LIGHT" button for about three seconds to enable/disable Auto EL. An indicator will appear on the display when enabled.
When Auto EL is enabled, tilting the watch towards your face (at an angle of 40 degrees or more) in a dark environment will automatically illuminate the display.

5. Техникалык тейлөө жана кам көрүү

Тазалоо: Wipe the watch with a soft, dry cloth. For dirt or grime, use a soft brush and mild soap with water, then rinse thoroughly and dry.
Суу каршылык: After exposure to saltwater, rinse the watch with fresh water and dry it completely. Do not operate buttons underwater.
Температуранын таасири: Avoid exposing the watch to extreme temperatures (above 60°C / 140°F or below -10°C / 14°F) or sudden temperature changes.
Химиялык заттар: Саатты бензинден, тазалоочу эриткилерден, аэрозолдордон, жабышчаактардан, боёктордон жана башкалардан алыс кармаңыз, анткени алар чайыр кутусуна жана боосуна зыян келтириши мүмкүн.
Сактагыч: When storing for long periods, ensure the watch is exposed to light periodically to keep the rechargeable battery charged.

6. Кыйынчылыктарды

Көйгөй	Чечим
Убакыт туура эмес.	Ensure your Home City setting is correct. Check if the watch is receiving time calibration signals (see Section 3.2). Manually adjust the time if necessary (see Section 3.3).
Дисплей бош же күңүрт.	The rechargeable battery may be low. Expose the watch to bright light for charging (see Section 3.1). Check the power saving function (PS indicator).
"ERR" appears during signal reception.	Reception was unsuccessful. Try again in a location with better signal reception (e.g., near a window, away from metal objects). Ensure your Home City is set correctly.
Баскычтар жооп бербейт.	The watch may be in a frozen state due to low battery. Charge the watch. If the issue persists, perform a full reset by exposing the watch to bright light for several hours.

7. Техникалык шарттар

Модель номери: GW-7900B-1JF
Убакытты сактоо: Hour, minutes, seconds, p.m., month, day, day of the week.
Убакыт системасы: Multi Band 6 (Automatic reception of time calibration signals from 6 global transmitters).
Кубат булагы: Tough Solar (Solar powered, rechargeable battery).
Суу каршылык: 20 BAR (200 meters).
шок каршылык: G-SHOCK structure.
Дүйнөлүк убакыт: 48 cities (31 time zones), Daylight Saving Time (DST) auto/manual switching.
Секундомер: 1/100-second; measuring capacity: 23:59'59.99''; measuring modes: elapsed time, split time, 1st-2nd place times.
Артка саноо таймери: Measuring unit: 1 second; countdown range: 24 hours; countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments).
Ойготкучтар: 5 independent daily alarms; 1 snooze alarm; hourly убакыт сигналы.
Башка функциялар: Tide Graph, Moon Data, Full Auto EL Backlight with selectable illumination duration, Battery level indicator, Power Saving function, Button operation tone on/off.

Note: Design and specifications are subject to change without notice. For the most current information, please refer to the official Casio webсайт.

8. Кепилдик жана колдоо

For warranty information, please refer to the warranty card included with your purchase or visit the official Casio G-Shock website. For product support, service, or replacement parts, please contact Casio customer service in your region.

Расмий Casio Webсайт: www.casio.com

Please note that warranty terms and service availability may vary by region.

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G-Shock GW-7900B-1JF