CASIO G-SHOCK GR-9110GY Watch User Manual

Introduction

This manual provides comprehensive instructions for operating your CASIO G-SHOCK GR-9110GY watch. It covers all functions, settings, and maintenance procedures to ensure optimal performance.

Important Information

Water Resistance

The watch's water resistance rating indicates its ability to withstand water pressure. Different levels are indicated by markings on the watch case:

• No Water Resistance: Avoid any contact with water.
• WATER RESISTANT (50M): Suitable for splashes, rain, and washing the car. Not suitable for swimming or diving.
• 50M WATER RESISTANT: Can be used during showering and brief swimming.
• 100M WATER RESISTANT: Suitable for regular swimming and snorkeling.
• 200M WATER RESISTANT: Suitable for scuba diving (excluding helium-oxygen mixtures).

Care and Maintenance

• Cleaning: Use a soft, dry cloth. For stubborn dirt, use a soft cloth dampened with a mild neutral detergent solution and water, then wipe dry. Avoid volatile solvents like benzine or paint thinner.
• Storage: Store in a dry place when not in use.
• Chemicals: Avoid contact with gasoline, cleaning solvents, spray cleaners, adhesives, paints, etc., as they can damage gaskets and the case.
• Screen Printing: Be careful when cleaning resin bands with screen printing to avoid damaging the designs.
• Resin Bands: White powder may appear on resin bands due to friction; this is normal and can be wiped off. Sweat or moisture can damage resin bands; wipe them clean with a soft cloth.
• Fluorescent Cases/Bands: Prolonged exposure to direct sunlight or moisture can cause fluorescent colors to fade. Avoid strong friction with other surfaces to prevent color transfer.

Power Source: Solar Charging

Solar Power System

This watch is powered by a solar panel and a rechargeable battery. Keep the watch exposed to light to ensure it stays charged.

Battery Level Indicator

The display shows the battery charge level:

• Level 1-2: All functions available.
• Level 3: Auto backlight and alarms may become unavailable.
• Level 4: Some functions are disabled.
• Level 5: All functions are disabled, and settings reset to factory defaults.

Recharging

Recharge the watch by exposing the solar panel to light. The charging time varies depending on the light source:

• Direct Sunlight: Approximately 5 minutes for basic operation, longer for full charge.
• Fluorescent Light: Approximately 8 minutes for basic operation.

Avoid covering the solar panel with clothing, as this significantly reduces charging efficiency.

Basic Operations

Button Functions

• Button A: Cycles through display information (e.g., day of week/date, city code/world time) or enters/exits setting modes.
• Button B: Activates backlight, scrolls forward in settings.
• Button C: Cycles through different modes (Timekeeping, World Time, Alarm, Stopwatch, Timer, Tide/Moon).
• Button D: Scrolls backward in settings, starts/stops timers/stopwatch, adjusts values.

Mode Switching

Press Button C to cycle through the following modes:

• Timekeeping Mode
• World Time Mode
• Alarm Mode
• Stopwatch Mode
• Countdown Timer Mode
• Tide Graph / Moon Phase Mode

Timekeeping Mode

Setting Time and Date

1. In Timekeeping Mode, press and hold Button A until the seconds display starts flashing.
2. Use Buttons D and B to select the correct city code for your location.
3. Press Button C to move to the next setting (seconds, hour, minute, year, month, day).
4. Use Buttons D (+) and B (-) to adjust each setting.
5. Press Button A to exit the setting mode. The day of the week is automatically set based on the date.

Time Display Formats

You can switch between 12-hour (12H) and 24-hour (24H) time formats. The 12-hour format uses an AM/PM indicator.

Daylight Saving Time (DST)

Use DST to adjust the time by one hour forward or backward. The DST indicator (DST or OFF) will appear on the display.

Dual Time

Button A can switch the upper display between current time and world time (selected city code and time).

World Time Mode

Displaying World Time

This mode displays the current time in 48 cities across 31 time zones. Press Button C to enter World Time Mode.

Selecting a City

Use Buttons D and B to scroll through the city codes and select the desired time zone. The time displayed is synchronized with the Timekeeping Mode settings.

Setting DST for World Time

In World Time Mode, select a city and then press and hold Button A to toggle DST on or off for that specific city.

Alarm Mode

Setting Alarms

This watch supports up to five alarms: four daily alarms (AL1-AL4) and one snooze alarm (SNZ). An hourly chime (SIG) is also available.

1. Press Button C to enter Alarm Mode.
2. Use Button D to select the alarm you want to set (AL1, AL2, AL3, AL4, SNZ, or SIG).
3. Press and hold Button A to set the alarm time. Use Buttons D and B to adjust hours and minutes. The selected alarm is automatically enabled when its time is set.
4. Press Button C to set minutes, then use Buttons D and B to adjust.
5. Press Button A to confirm and exit.

Alarm Functionality

Alarms sound for 10 seconds at the set time. The snooze alarm will repeat every five minutes up to seven times. Press any button to stop an alarm. The hourly chime sounds at the top of each hour.

Enabling/Disabling Alarms

In Alarm Mode, select an alarm (AL1-AL4, SNZ, SIG) and press Button A to toggle it on or off. An indicator will appear on the display when an alarm is active.

Stopwatch Mode

Stopwatch Functions

The stopwatch measures elapsed time, split times, and two different finish times with 1/100-second accuracy. The measurement limit is 23 hours, 59 minutes, 59.99 seconds.

• Start/Stop: Press Button D to start and stop the stopwatch.
• Split/Reset: Press Button A to record a split time or reset the stopwatch.
• Lap Reset: Press Button D to restart after a split time.

Measuring Time

• Elapsed Time: Start, Stop, Reset.
• Split Time: Start, Split (A), Split Release (A), Stop (D), Reset (A).
• Two Finishes: Start, Split (A), Second Finish (D), Reset (A).

Countdown Timer Mode

Setting the Timer

The countdown timer can be set from 1 minute to 24 hours.

1. Press Button C to enter Countdown Timer Mode.
2. Press and hold Button A until the hour digits flash.
3. Use Buttons C to select hours or minutes.
4. Use Buttons D (+) and B (-) to set the desired time.
5. Press Button A to exit.

Using the Timer

Press Button D to start the countdown. The timer will sound when it reaches zero. Press Button D to pause and resume; press Button A to reset.

Tide Graph and Moon Phase Mode

Moon Phase and Tide Data

This mode displays the current moon phase and age, as well as tide information for a selected date and time.

• Press Button C to enter Tide Graph / Moon Phase Mode.
• Press Button A to switch between Tide Graph and Moon Phase displays.

Moon Phase Display

The moon phase indicator shows the current phase and age of the moon. The default display is for the Northern Hemisphere; it can be reversed for the Southern Hemisphere.

• To set the moon phase display (Northern/Southern Hemisphere), enter the mode, press and hold A, press C twice, then use D to toggle the indicator (N►S or N◄S). Press A to confirm.

Tide Graph Display

The tide graph shows the predicted tide levels for a specific date and time. The graph indicates high, intermediate, or low tide.

• The graph is based on the current timekeeping settings (date, time, city code).
• You can manually adjust the time of the highest tide if needed.

Backlight

Electro-Luminescent Backlight

The watch features an electro-luminescent panel for easy reading in the dark. Press Button B in any mode to activate the backlight for a set duration (1.5 or 3 seconds).

Auto-Backlight

When enabled, the backlight activates automatically when the watch is tilted towards you at an angle of approximately 40 degrees.

• To enable/disable Auto-Backlight, press and hold Button B for three seconds in Timekeeping Mode. The A.EL indicator will appear when enabled.
• Caution: Avoid using Auto-Backlight in situations where it might activate unintentionally (e.g., while cycling or driving) to prevent distraction.

Setting Backlight Duration

1. In Timekeeping Mode, press and hold Button A until seconds flash.
2. Press Button C ten times to reach the backlight setting.
3. Use Button D to select the duration: LT1 (1.5 seconds) or LT3 (3 seconds).
4. Press Button A to confirm.

Power Saving Function

The watch has a power saving function that dims the display or turns it off when left idle for extended periods to conserve battery power.

• Activation: The watch enters sleep mode after 60-70 minutes of inactivity.
• Display: In sleep mode, the display may show only flashing indicators or turn off completely.
• Exiting Sleep Mode: Expose the watch to light, press any button, or tilt the watch.
• Enabling/Disabling Power Saving: In Timekeeping Mode, press and hold A, press C eleven times, then use D to toggle the function on or off.

Technical Specifications

• Module: 3289
• Accuracy: ±15 seconds per month (at normal temperature)
• Timekeeping: Hour, minute, second, AM/PM, year, month, day, day of week
• Time Format: 12-hour and 24-hour formats
• Calendar: Auto-calendar programmed from 2000 to 2099
• Time Zones: 48 cities (31 time zones)
• Alarms: 5 alarms (4 daily, 1 snooze)
• Hourly Chime: Yes
• Stopwatch: 1/100 second, 23:59'59.99" measurement limit, elapsed time, split time, two finishes
• Countdown Timer: 1-minute to 24-hour range
• Backlight: Electro-luminescent panel, auto-backlight
• Power: Solar rechargeable battery
• Approximate Battery Life: About 10 months (from full charge to Level 4, under normal use without exposure to light)

City Codes

Note: Time differences and DST rules may vary by country. Russia abolished DST in June 2011.