Table of Contents
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Table of Contents
Related Manuals for Citizen C500
Summary of Contents for Citizen C500
- Page 2 • ISO diving watch standards are those set forth by the International Organization for standardization. <ISO/6425> Any repair of this product, including battery replacement, should be con- ducted at a Citizen Service center. For repair and inspection please contact the place of purchase or contact a Citizen Service center directly.
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Page 3: Table Of Contents
CONTENTS A. DIVING WITH THIS WATCH ................6 I. DIVING MODE ....................38 SAFE DIVING ....................6 DEPTH MEASUREMENT READINGS ............40 DO NOT USE THE DEPTH METER WHEN ...........7 J. PRECAUTIONS FOR DIVING MODE USE ..........42 STOP USING THIS PRODUCT WHILE DIVING WHEN ........9 MAKING ACCURATE DEPTH READINGS ..........42 B. -
Page 4: Diving With This Watch
Replace the battery early.) * Battery replacement It is always, however, accompanied by certain risks including diver’s paralysis should be conducted only at Citizen Service Centers. and unanticipated accidents. Before diving please obtain proper diving instruc- 5. -
Page 5: Stop Using This Product While Diving When
5. Diving using a helium enriched environment. watch against diving equipment, rocks or other hard objects.) This watch cannot be used in a helium enriched environment, as this may * Service for this watch should be conducted only by Citizen Service cause malfunction or breakage. Centers. -
Page 6: Name Of Parts
B. Name of parts Name Time/Calendar Mode Alarm Mode Chronograph Mode q: Digital display (I) Hours, Minutes, A/P Hours, Minutes, A/P Hours, Minutes w: Digital display (II) Date, Day/Seconds or thermometer ON/OFF Seconds, 1/100 seconds e: Operation guide for button A r: Operation guide for button B —... - Page 7 Diving Mode Log Mode Dive Alarm Mode Ready display Depth measurement readings 0 m reading after depth measurement Depth Alarm DIVE mark flashing Current Depth DIV turns on 0.0 m flashing, DIV turns on Dive Time Alarm DIVE mark flashing Dive time Dive time —...
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Page 8: Swithching Modes
C. SWITCHING MODES Each time button M is pressed, the display is changed to another mode as From any mode shown in the box below: shown below. 1. the watch can be made to enter the diving mode (Ready state) by pressing button M for 2 seconds or more. -
Page 9: Time/Calendar Mode
D. TIME/CALENDAR MODE * The temperature measurement range is from –5°C to +40°C (23°F to 104°F). If the watch is worn on the wrist during temperature measurement, the body temperature affects the measurement. Digital display (I) For accurate temperature measurement, take the watch off and leave it in the Hours, Minutes, AM/PM measuring environment for a while. -
Page 10: Setting The Time And Calendar
3. When in the seconds correcting state (seconds flash), press button B, the Setting the Time and Calendar flashing digits will change in the order of seconds → minutes → hour → a. Always perform the Digital setting first, then the Analog setting. month →... -
Page 11: Alarm Mode
3. Press button B, the flashing digit will change in this order: hour → minutes. E. ALARM MODE 4. Press button A to set the minutes. • When the alarm indicator is ON, the alarm will sound for 15 seconds at the * Press and hold down button A to quick advance the flashing digit. -
Page 12: Chronograph Mode
F. CHRONOGRAPH MODE Using the chronograph <Standard measurement> • The chronograph can measure up to 24 hours in 1/100 seconds. • The chronograph display automatically returns to 00 and stops. START STOP RESET <Accumulated elapsed time measurement> Minute Hour START STOP RESTART STOP... - Page 13 <Note> Split time: The time elapsed from the start is displayed whenever the split • Changeover to another mode is disabled during the chronograph operation is performed. measurement. To change the mode to another mode, make the chronograph measurement Starting Goal point Split time...
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Page 14: Log Mode
G. LOG MODE • If the watch is left in the log mode with any data being displayed for 3 minutes or more, it is automatically switched to the time/calendar mode (auto-return). By pressing button M, change the mode from chronograph to log mode. The dive log data can be retained in the watch, counting the last 4 dives. -
Page 15: Changing The Log Display
Changing the Log Display On rare occasions, even if the water sensor senses traces of water and the watch is switched to the dive mode (dive ready state), however, log (I) display Every dive makes the watch memorize the following 8 types of log data auto- may fail to change to log (II) display automatically. - Page 16 1. Number of dives: The number dives performed in a particular day. A 5. Dive start time: The time when a dive depth reaches 1 m (4 ft). maximum of 9 dives can be counted. Counting is 6. Dive end time: The time when the dive depth becomes shallower initiated day by day.
- Page 17 To delete all log data; In case ER (error) is shown; Depress button A and button B together This signifies that the log data is faulty. for 2 seconds or more and all log data will Button A be deleted. Button B In case the depth indication flashes;...
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Page 18: Dive Alarm Modes
H. DIVE ALARM MODES The following two alarm functions are provided as dive alarms used in this watch. (Note) The alarms may be hard to hear depend- Depth alarm 1. Depth alarm function: When the set depth is reached during a dive, the ing on the surroundings (such as the alarm will beep for 15 seconds. -
Page 19: Setting The Depth Alarm/Dive Time Alarm
3) Press button B to switch to the number of times of alarm occurrences Setting the depth alarm/dive time alarm correcting mode (the preset number of times starts flashing). 1) Press button B for 2 seconds or more 4) Change and set the number of times of alarm occurrences by pressing to switch to the DIVE ALARM correcting button A. -
Page 20: Diving Mode
I. DIVING MODE Additional feature <Water Sensing Function> When in any other mode, the watch will enter the diving mode with the display changing to This watch is provided with a water sensor. Whenever this sensor senses traces of water [Ready display] by pressing button M for 2 seconds or more. -
Page 21: Depth Measurement Readings
Depth Measurement Readings 2. Dive Time Measurement When the diving depth reaches to 1.0 m (4 ft), the 1. Depth Measurement Dive time measurement Depth measurement dive time measurement will start. It stops when The diving depth is measured every second, and the depth becomes less than 1.0 m (4 ft). -
Page 22: Precautions For Diving Mode Use
Rather flush out such debris using fresh water. If this fails, please consult a Citizen Service Center. 3. For general repairs and maintenance please refer to “Care for long term use” on pages... -
Page 23: Various Alert Functions
K. Various Alert Functions 2. Abnormal Depth Alert In case of a rapid change in depth over This watch is provided with the following alert functions. 4 m (15 ft) for one second, the flashing These alerts are recommended to be used to increase the safety in diving. ER (Error) appears on the digital display (II). -
Page 24: In Case Of The Following
3. Water Sensor Check Alert L. In Case of the Following: Although the water sensor is activated and The second hand goes at 2-second intervals. the watch enters the diving mode with This action occurs when the battery rundown warning is activated, which warns [Ready Indication], if one hour or longer is the user that the battery will run down soon. -
Page 25: All Reset
• Changeover cannot be performed from the diving mode [Ready display] M. ALL RESET or [0 m Reading after Depth Measurement] to the time/calendar mode. • In case the depth reading is one meter or more, though the watch is 1. -
Page 26: The Battery
N. The Battery c. Battery replacement 1. All battery replacement should be done by a Citizen Service Center. To a. Battery life replace the battery, please contact the place of purchase or contact a Citizen A new battery installed in this watch will last approximately 2 years. -
Page 27: Other Functions
O. Other functions No decompression limits The range of time when it is unnecessary to stop to decompress while Register ring surfacing from a dive is determined by the depth and time of the dive. Use the register ring to measure elapsed time. These values are referred to as “No Decompression Limits.”... -
Page 28: Care For Long Term Use
Subject the watch to the water resistance check at the time of battery replace- • If you cannot clean the sensor, bring the watch to the Citizen Service Center. ment or every one or two years to maintain the water resistance of the watch. - Page 29 • All services after sale including battery replacement are provided by the • Dropping the watch on the floor or otherwise imparting severe shock to it may Citizen Service Center. Never have the case back opened or the screws on cause malfunctioning or damage.
- Page 30 • Metal band Wash soiled parts with a tooth brush in mild, soapy water. hazardous substance. If the glass is broken, avoid touching the paint and bring • Rubber band Wash in water. it immediately to the Citizen Service Center for repair or replacement. Do not use solvent.
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Page 31: Specification
Q. SPECIFICATION Log memo: Dive month and date Dive number ......1~9 1. Caliber number C500 (Depth indication measured in meters/Temperature in Maximum depth ......1.0 m~80.0 m (4 ft~260 ft) Centigrade) Dive time.........0 min~100 min C506 (Depth indication measured in feet/Temperature in Dive start time......Hours, Minutes... - Page 32 depth indication is shown. Over 260 ft, the display is – –.–. Dive time (in seconds, measur able up to 100 minutes) or Temperature indication (in units of 0.1°C, between -5°C and +40°C) Dive and 0 m/0 ft display ...0.0 m/0 ft Dive time (in seconds, measurable up to 100 minutes) or Maximum depth (in units of 10 cm/1 ft,...