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Citizen Eco-Drive b740 User Manual

Citizen Eco-Drive b740
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INSTRUCTION MANUAL

Table of Contents

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Citizen Eco-Drive b740 Specifications

General IconGeneral
Case MaterialStainless Steel
Band MaterialStainless Steel
Water Resistance100 meters
Dial ColorBlack
MovementEco-Drive
CrystalMineral
FunctionsDate

Summary

Safety Precautions

DANGER Symbol Definition

Symbol indicating high risk of death or serious injury.

WARNING Symbol Definition

Symbol indicating risk of death or serious injury.

CAUTION Symbol Definition

Symbol indicating risk of minor injury or property damage.

DANGER General Warning

Read manual carefully to understand handling, procedures, displays, and limitations.

CAUTION Diving Risk

Diving involves risk; understand procedures for safe handling and operation.

Warning: Before Diving

Depth meter is auxiliary; dive instruction is essential. Recreational diving only.

Warning: Diving Responsibility

Diver's responsibility for planning; watch lacks decompression sickness prevention. Avoid diving if ill.

Caution: Before Diving

User must receive training, follow rules, and understand operations.

Caution: For Safe Diving

Obey buddy system rules, dive within 20m, fully charge watch, rest after diving.

PROHIBITION Diving Circumstances

Prohibited Diving Circumstances

Do not use if function hand shows 'NG', watch malfunctions, or temp is out of range.

Precautions in Diving

Warning: Before Diving Checks

Check time mode, function hand, crown, watchband, bezel, and time/date settings.

Warning: During Diving

Avoid quick ascent, do not operate buttons/crown, ascend slowly if malfunctioning.

Warning: After Diving

Wash with fresh water, remove debris from sensor, avoid compressed air on pressure sensor.

Caution: High Altitudes/Fresh Water

Use special education for high altitude/fresh water diving. Do not use depth meter above 4000m.

Before Using Watch

Charging and Proper Use

Charge watch daily. Keep sufficiently charged for depth meter/chronograph. Protected from overcharge.

2. WARNING FUNCTIONS OF THIS ECO-DRIVE WATCH

Charge Level Indication

Function hand indicates charge level (LV.2, LV.1, NG) affecting usability.

Insufficient Charge Warning

Watch shifts to time mode, second hand moves in 2-sec intervals. Watch stops after 2 days without charge.

Stop Warning Function

Mode/function hands move to '0' after 2 days in insufficient charge warning. All functions inactive.

4. PRECAUTION FOR THIS ECO-DRIVE WATCH

Use Specified Rechargeable Cell

Do not use incorrect battery types. Regular silver battery can cause overcharge, burst, or injury.

6. ADJUSTING TIME AND DATE (Time mode)

7. DIVE MODE

Dive Mode Activation and Memory

Watch switches to dive mode in water. Memorizes max depth of last dive.

8. CHRONOGRAPH MODE

Chronograph Function and Reset

Measures time in 1 sec units for max 49m 59s. Stops at 50m, hands reset.

9. TROUBLESHOOTING

General Troubleshooting Advice

Charge sufficiently. Adjust hands if out of position due to shock or static.

10. SETTING FUNCTION HAND AT "0" POSITION

11. ALL RESET/ADJUSTING HAND POSITION

All Reset Procedure

Pull crown, press (A)+(B) simultaneously for reset. Adjust hands to '0' using (A)/(B).

14. PROPER CARE FOR LONG TERM USE

Water-Resistance Limits

Water resistant to 200m. Suitable for scuba with air tank, not for saturation diving.

CAUTION - Operating Environment

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