CASIO F-E10, EFD-100/101/102/103, W-E10 User Manual
Module 2428, 2470
Read this important information firstBattery
The battery in your watch is installed at the factory and should be replaced immediately when its power shows signs of depletion (e.g., backlight does not turn on, display is dim) by your nearest CASIO dealer or distributor.
Water Resistance
Watches are classified by levels (from I to V) according to their degree of water resistance. Check your watch's level using the table below for proper operation.
| Level | Marking on Case | Splash, Rain, etc. | Swimming, Machine Washing, etc. | Diving, Scuba Diving, etc. | Diving with SCUBA |
|---|
| I | - | No | No | No | No |
| II | WATER RESISTANT | Yes | No | No | No |
| III | 50M WATER RESISTANT | Yes | Yes | No | No |
| IV | 100M WATER RESISTANT | Yes | Yes | Yes | No |
| V | 200M WATER RESISTANT
300M WATER RESISTANT | Yes | Yes | Yes | Yes |
Notes for corresponding sections:
- The watch is not water resistant. Avoid contact with any moisture.
- Do not pull out the crown if the watch is wet.
- Do not press watch buttons underwater.
- If the watch is exposed to saltwater, rinse it thoroughly and dry it.
- The watch can be used for SCUBA diving (except for depths requiring a helium-oxygen mixture).
A feature of some water-resistant watches is the presence of leather straps. Do not wear these watches while swimming or engaging in any other activity where the strap may be submerged in water.
Care for Your Watch
- Never attempt to open the case and remove the back cover.
- The rubber gasket protecting the watch from water and dust should be replaced every 2-3 years.
- If moisture gets inside the watch, have it checked immediately by your nearest CASIO dealer or distributor.
- Do not expose the watch to extreme temperatures.
- Although the watch is designed for normal use, avoid rough handling and do not drop it.
- Do not fasten the strap too tightly. A finger should fit between your wrist and the strap.
- To clean the watch and strap, use a dry soft cloth or a soft cloth dampened with a mild neutral detergent solution. Never use volatile substances (e.g., gasoline, solvents, spray cleaners, etc.).
- When not using your watch, store it in a dry place.
- Avoid contact with gasoline, cleaning solvents, spray aerosols, adhesives, paint, etc. Chemical reactions caused by these materials can damage gaskets and watch polish.
- Some watch models feature silk-screened designs on their straps. Be careful when cleaning such straps to avoid damaging the designs.
For watches with plastic straps...
- You may notice a white powdery substance on the strap. This substance is harmless to your skin or clothing and can be easily removed by wiping with a cloth.
- Exposure of a plastic strap to sweat or moisture, or storage in high humidity conditions, can lead to damage, tearing, or cracking. To ensure a long service life for the plastic strap, wipe it clean of dirt and water with a soft cloth whenever possible.
For watches with fluorescent cases and straps...
- Prolonged exposure to direct sunlight can cause the fluorescent color to fade gradually.
- Prolonged contact with moisture can cause the fluorescent color to fade gradually. If any moisture gets on the watch surface, wipe it off as soon as possible.
- Prolonged contact with any other wet surface can cause the fluorescent color to discolor. Ensure the fluorescent surface is free of moisture and avoid contact with other surfaces.
- Strong friction of a surface with applied fluorescent paint against another surface may transfer the fluorescent paint to that surface.
CASIO COMPUTER CO., LTD. is not responsible for any damage that may occur during the use of this watch, nor does it accept any claims from third parties.
GENERAL DESCRIPTION OF OPERATING MODES
The figure shows a general view of the watch in Timekeeping Mode. Press button 'B' to switch between modes in the following sequence:
Timekeeping Mode [arrow] Alarm Mode [arrow] Stopwatch Mode [arrow] Time Setting Mode [arrow] Timekeeping Mode.
In any mode, pressing button 'B' returns to Timekeeping Mode.
TIMEKEEPING MODE
- In Timekeeping Mode, press button 'C' to switch between 12-hour and 24-hour time formats.
- Press button 'A' to illuminate the display for a few seconds.
- The day of the week is displayed as follows: SU – Sunday MO – Monday TU – Tuesday WE – Wednesday TH – Thursday FR – Friday SA – Saturday
PM indicator
Day of the week
Day
A
SU 30
10:58
B
50
C
Hour
Minutes
Seconds
Backlight
- The backlight of this watch uses electroluminescent (EL) elements, whose brightness decreases after prolonged use.
- When the display is illuminated, the watch emits an audible signal. This is because the backlight elements vibrate, and it is not an indication of a watch malfunction.
- The backlight is difficult to see if direct sunlight falls on the watch.
- Frequent use of the backlight shortens battery life.
ALARM MODE
When the set time is reached, the alarm will sound for 20 seconds. If the hourly chime mode is enabled, a short beep will sound at the start of each hour.
Mode indicator
Hour
Minutes
A
AL
B
ALM
SIG
8:35
C
Hourly time signal on indicator
Alarm on indicator
Setting the Alarm Time
- In Alarm Mode, press button 'A'. The hour digits will start flashing.
- This will automatically set the alarm mode.
- Use button 'A' to move from field to field in the following sequence: Hours – Minutes – Alarm Mode (no flashing digits) – Hours.
- Pressing button 'A' illuminates the display.
- Use button 'C' to increase the value. Holding the button down will allow values to be changed at a higher speed.
- When using the 12-hour format, ensure you set the time correctly (the 'PM' indicator appears for times after noon; there is no indicator for times before noon).
- After entering the hour and minute settings, press button 'A' again to save the alarm settings.
Enabling/Disabling the Alarm and Hourly Chime
Press button 'C' in Alarm Mode to cycle through alarm modes. Each press of button 'C' sequentially cycles through the modes: All On [arrow] All Off [arrow] Daily Alarm Only [arrow] Hourly Time Signal Only [arrow] All On.
Checking the Alarm Sound
Press and hold button 'C' in Alarm Mode to check the sound.
Stopping the Alarm Sound
While the alarm is sounding, press button 'A' to stop it.
STOPWATCH MODE
The Stopwatch Mode allows you to record elapsed time, split times, and double finishes. The total measurement range is limited to 59 minutes 59.99 seconds.
a) Elapsed Time Measurement
C (Start) [arrow] C (Stop) [arrow] C (Re-start) [arrow] C (Stop) [arrow] A (Clear)
b) Split Time Measurement
C (Start) [arrow] A (Split) [arrow] A (Split Release) [arrow] C (Stop) [arrow] A (Clear)
c) Split Time and 1st-2nd Place Times
C (Start) [arrow] Split [arrow] Stop (First runner finishes) [arrow] Split release [arrow] Stop (Second runner finishes) [arrow] Clear.
d) Double Finish
C (Start) [arrow] A (Split. First finish) [arrow] C (Second finish. Display shows 1st finish result) [arrow] A (Cancel split. Display shows 2nd finish result) [arrow] A (Clear)
TIME AND DATE SETTING
- Press button 'B' to enter Time Setting Mode. The second digits will flash.
- While the second digits are flashing, press button 'C' to reset the seconds to '00'. If button 'C' is pressed when the seconds are between '30' and '59', the minutes will be incremented by '1' when the seconds are reset to '00'. If the seconds are between '00' and '29', the minutes will remain unchanged.
- Press button 'A' to move from field to field in the following sequence: Seconds [arrow] Hours [arrow] Minutes [arrow] Month [arrow] Day [arrow] Seconds.
- Press button 'C' to change values (except for seconds).
- Holding the button down allows values to be changed at a higher speed.
- Pressing button 'A' illuminates the display.
- If you do not perform any operations with the buttons for a few minutes, the watch will automatically return to Timekeeping Mode.
- After completing the settings, press button 'B' to return to Timekeeping Mode.
TECHNICAL SPECIFICATIONS
- Accuracy at normal temperature:
- +/- 30 sec./month
- Timekeeping Mode:
- Hours, minutes, seconds, AM/PM, day of week, date.
- Time Display:
- 12/24-hour format switching.
- Calendar Mode:
- Auto calendar.
- Stopwatch Mode:
- Unit of measurement: 1/100 sec. Maximum measurement range: 59 min., 59.99 sec.
- Measurement Modes:
- Elapsed time, split time, double finish.
- Alarm Mode:
- Daily alarm, hourly chime.
- Other:
- Backlight (electroluminescent panel).
- Battery:
- One lithium battery (CR2016). Battery life is approximately 3 years based on using the backlight for 2 seconds/day and the alarm for 20 seconds/day.
Product Information
| Name: | Electronic / electro-mechanical quartz wristwatches (men/women) |
| Brand: | CASIO |
| Manufacturer: | CASIO COMPUTER Co., Ltd. |
| Manufacturer's Address: | 6-2, Hon-machi 1-chome, Shibuya-ku, Tokyo 151-8543, Japan |
| Importer: | OOO "Casio", 127055, Moscow, Sushchevskaya St., Bldg. 27, Str. 1, Russia |
| Country of Origin: | Japan |
| Warranty Period: | 1 year |
| Address of Authorized Organization for Claims: | Specified in the warranty card |
Product complies with GOST 26270-98 (clause 4.35)
Certificate of Conformity No. ROSS JP. АЯ 46.Д00003
