CASIO FS-01, SHN-100 Module 2320 / 2321 / 2325 User Manual
Important Information
Battery
The battery is installed at the factory and should be replaced immediately if the backlight is dim or the display is faint. Contact your nearest CASIO dealer or distributor.
Water Resistance
Watches are classified by rating (I to V) according to their water resistance. Check your watch's rating using the table below for proper operation.
| Rating | Marking | Splashes, Rain | Washing Car | Swimming, Diving | Scuba Diving |
|---|---|---|---|---|---|
| I | None | 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 | Yes | Yes | Yes | Yes |
Notes for respective sections:
- I: Watch is not water resistant. Avoid any moisture.
- III: Do not press watch buttons underwater.
- IV: If exposed to salt water, rinse thoroughly and dry.
- V: Watch can be used for scuba diving (except for depths requiring helium-oxygen mixtures).
Some water-resistant watches have leather straps. Do not wear these watches during swimming or other activities where the strap may get wet.
Care for Your Watch
- Never attempt to open the case or remove the back cover.
- The rubber gasket protecting the watch from water and dust should be replaced every 2-3 years.
- If moisture enters the watch, have it checked immediately by your nearest CASIO dealer or distributor.
- Do not expose the watch to extreme temperatures.
- While designed for normal use, avoid rough handling and dropping.
- Do not fasten the strap too tightly. A finger should fit between your wrist and the strap.
- When not in use, store the watch in a dry place.
- Clean the watch and strap with a dry soft cloth, or a soft cloth dampened with a mild neutral detergent solution. Never use volatile agents (e.g., gasoline, solvents, spray cleaners, etc.).
- Avoid contact with gasoline, cleaning solvents, spray aerosols, adhesives, paint, etc. Chemical reactions from these materials can damage gaskets, cases, and polish.
- Some models have silk-screened designs on the strap. Clean these straps carefully to avoid damaging the designs.
General Instructions
Current Time Mode
Figure 1 shows the general appearance of the watch in Current Time Mode. Button A cycles through modes. The sequence is: Current Time (digital display) [→] Current Time (calendar display) [→] Dual Time Mode [→] Stopwatch Mode [→] Current Time.
Pressing Button L in any mode illuminates the watch face for 2 seconds. [?]
Note: The analog dial and digital display are independent. They must be set separately.
Setting Digital Display Time and Date
- In Current Time Mode, press and hold Button B until the seconds digits flash.
- Use Button B to select the value to adjust: Seconds [→] Hours [→] Minutes [→] 12/24 Hour Format (for digital display).
- If seconds are flashing, press Button A to reset to 00. If seconds are 30-59, pressing A resets to 00 and increments minutes. If seconds are 00-29, minutes are not affected.
- Use Button A to advance minutes, hours, etc. Holding Button A advances values more quickly.
- For 12-hour format, 'P' indicates PM. No indicator means AM.
- After setting time and date, press Button B to return to Current Time Mode.
Setting Digital Display Date
- In Calendar Mode, press Button B until the month digits flash.
- Use Button B to select the value to adjust: Month [→] Date [→] Day of Week.
- Button A advances the selected value.
- After setting the date, press Button B to save and return to Current Time Mode.
Setting Analog Dial Time
- In any mode, press and hold Button H to set the analog time.
- Each press of Button H advances the analog time by 20 seconds. Three presses equal 1 minute.
Dual Time Mode
Dual Time Mode allows tracking time in another time zone. Setting time is similar to Current Time Mode. The 12/24 hour format may differ from the Current Time Mode setting.
Stopwatch Mode
Stopwatch Mode measures elapsed time. Maximum elapsed time is 59 minutes 59.99 seconds.
Measuring elapsed time: (B) Start [→] (B) Stop [→] (B) Restart [→] (B) Stop [→] (A) Reset (while holding B).
Technical Specifications
- Accuracy: +-30 seconds per month (at normal temperature)
- Current Time Mode: Hour, Minute, Seconds, AM/PM, Month, Date, Day of Week. 12/24 hour format switching.
- Calendar System: Auto calendar for February 28 days.
- Stopwatch Mode:
- Accuracy: 1/100 second.
- Measuring capacity: 59 minutes 59.99 seconds.
- Measurement modes: Lap time.
- Other: Illumination (electro-luminescent panel), 2-hand analog display.
- Battery: One battery (Type SR920W).
- Battery Life: Approx. 3 years (assuming 2 seconds of backlight use per day and 20 seconds of alarm use).
- Note: Backlight is available only for modules 2321 and 2325.
Product Information
- Name: Wristwatch (electronic / electro-mechanical quartz) (men's/women's)
- Brand: CASIO
- Manufacturer: CASIO COMPUTER Co., Ltd.
- Manufacturer Address: 6-2, Hon-machi 1-chome, Shibuya-ku, Tokyo 151-8543, Japan
- Importer: OOO 'Casio', 127055, Moscow, Sushchevskaya st., 27, bldg. 1, Russia
- Country of Origin: Japan
- Warranty Period: 1 year
- Authorized Service Center: As specified in the warranty card.
- Compliance: Product complies with GOST 26270-98 (clause 4.35). Certificate of Conformity No. ROSS JP. АЯ46.Д00003
