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9.Chemicals and Gases
Avoid wearing the watch in the presence of strong chemicals or gases. If the
watch comes in contact with such solvents as thinner and benzine or products
containing materials such as gasoline, nail polish, detergent or adhesive, its
components may discolor, dissolve or crack. Be especially careful to avoid
chemicals. The watchcase or band may discolor if they come in contact with
mercury from a broken thermometer or other equipment.

10. Luminous Display
In some watches, Luminous paint is applied to the hands of the watch for use
in dark areas. This does not cause any health problems since the amount of
luminous paint used in the watch is well within the limit allowed and is protect-
ed by the glass. Even if the amount used is extremely small, luminous paint is
a hazardous substance. If the glass is broken, avoid touching the paint and
bring it immediately to the Citizen Service Center for repair or replacement.

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11. Safekeeping
If you do not use the watch for an extended period of time, wipe off perspira-
tion, soil and moisture thoroughly and keep it in a place not exposed to
extremely high or low temperatures or high humidity. Don’t leave a dead battery
in the watch for a long time. Always be sure to replace it with new one. If bat-
tery fluid leaks out, it may damage movement components.

12. Keep Your Watch  Clean
Wipe off soil and moisture from the glass with a soft, absorbent cloth. If you
wear the watch when the back side of the case and watchband is soiled they
may cause a skin rash as they come in direct contact with your skin. Keep your
watch clean also to avoid staining your cuffs. How to clean the watchband:
• Metal band Wash soiled parts with a tooth brush in mild, soapy water.
• Rubber band Wash in water.
Do not use solvent.

Содержание C520

Страница 1: ...1 0 2 0 3 0 4 0 5 0 A 3 1 4 2 6 A 7 5 B M ...

Страница 2: ...the diver with an alarm sound if the ascending speed is too fast Highly Reliable 200m Diving Water resistant Performance The highly reliable water resistant performance conforms to ISO diver s watch standards ISO diver s watch standards have been set by the International Organization for Standardization ISO 6425 May 15th 1984 All repairs on this product including battery replacement should be done...

Страница 3: ...at all times In order to prevent injury to yourself or other persons and damage to property this manual describes the instructions which you should strictly follow Injury and or damage which might be caused by using the watch improperly neglecting any of the instructions or precautions in this manual are classified with the following symbols WARNING CAUTION CAUTION The instructions for safe operat...

Страница 4: ...oved as a measur ing instrument for official organizations Use it as an auxiliary or backup instrument Diving with this watch is limited to recreational diving non decompression div ing Do not use it for decompression diving saturation diving or diving at high altitude It can be used in seawater in a temperature range of 10 C 40 C 50 F 104 F but it does not indicate correct depths in water other t...

Страница 5: ...50 O OTHER FUNCTIONS 52 1 REGISTER RING 52 2 NO DECOMPRESSION LIMITS 53 P CARE OF YOUR WATCH 54 Q SPECIFICATIONS 60 CONTENTS WARNING 6 A DIVING WITH THIS WATCH 10 DIVING WITH THIS WATCH 10 DEPTH METER FUNCTION 10 FOR SAFE DIVING 11 PROHIBITION WHEN DIVING 12 PRECAUTIONS FOR DIVING 13 DIVING AT HIGH ALTITUDE AND IN FRESHWATER 15 B NAMES AND FUNCTIONS OF PARTS 16 C SWITCHING MODES 20 1 TIME MODES DI...

Страница 6: ...res sion sickness A DIVING WITH THIS WATCH CAUTION DIVING WITH THIS WATCH Only use this diving watch after undergoing correct instruction and training in diving and always obey the accompanying rules Make sure you fully understand the handling of the watch and the caution items in order to use it correctly Please note that the watch may not function correctly if you handle it other than as indicat...

Страница 7: ...cement by Citizen at the place of purchase or send directly to a Citizen Service Center PROHIBITION PROHIBITION WHEN DIVING Do not use this watch for diving in the following cases When the low battery warning function is activated When the life of the battery is nearing its end the second hand moves in 2 second intervals When the watch stops or exhibits any abnormal functioning The depth measureme...

Страница 8: ...ude of over 4 000m 13 124ft because accurate measurement is not possible During diving Avoid ascending very quickly to prevent your body from being affected by the bends etc Surface at a safe speed of within 9m 30ft per minute This ascending speed is in accordance with the U S Navy Diving Manual 1993 edition Never operate the crown or any buttons except button A when underwater Doing so may result...

Страница 9: ...larm Mode To Diving Modes A P hours minutes seconds date day Use to adjust the analog time Normally shows hours Normally shows minutes Normally shows seconds Time Modes Alarm Chronograph ON OFF Start Stop Split time Reset To alarm set time adjustment To Chronograph Mode To Time Calendar Mode To Diving Modes To Diving Modes A P hours minutes or OFF Minutes seconds 1 100 seconds Use to adjust the an...

Страница 10: ...Dive Time Alarm Mode Dive Mode Depth Alarm correction Dive time alarm correction Dive time max depth recall Depth Alarm quick correction Dive time alarm quick correction To Dive Mode To Dive Mode To Log Mode 3 To Dive Time Alarm Mode To Log Mode To Time Modes To Time Modes To Time Modes 3 Set depth Set dive time minutes Current depth Dive time max depth Use to adjust the analog time Normally shows...

Страница 11: ...ning function is activated or if there is something wrong with the pressure sensor ER is displayed normal depth measurement can not be carried out so the watch cannot be switched to the Dive Mode of the Diving Modes C SWITCHING MODES On this watch s digital display function the modes are broadly classified into 2 types 20 21 Time Modes Time Calendar Mode Alarm Mode Chronograph Mode Diving Modes Lo...

Страница 12: ... AL Each time button A is pressed in Time Calendar Mode the display switches between Hours and Minutes Seconds Date and Day If the watch is left alone for about 3 minutes while in the Alarm Mode or Reset state in Chronograph Mode it returns automatically to the Time Calendar Mode Auto Return Time Calendar Alarm Chronograph Hour and Minute Display Seconds Display Date and Day Display A A A A M M M ...

Страница 13: ...he correction state with the display flashing the watch returns to the normal Time Calendar Mode The calendar is an auto calendar which automatically changes from the last day of one month to the 1st day of the next month If the watch is left alone for about 1 hour in Log Mode Depth Alarm Mode or Diving Time Alarm Mode it automatically returns to the Time Modes If the watch is left alone for about...

Страница 14: ... 6 Press button B or button M to return to the normal display Alarm time setting is now completed E HOW TO SET THE ANALOG TIME Setting the analog time 1 Loosen the screw of the crown and pull it out so that the second hand stops in the 0 position 2 Turn the crown to set the time 3 When the seconds on the digital time dis play read 0 push the crown in to start the hands 4 After setting the time alw...

Страница 15: ... 1 100 Second Alarm ON OFF Switch the alarm on or off by pressing button A Alarm ON The alarm set time and the alarm ON mark appear on the digital display Alarm OFF OFF appears on the digital display Alarm monitor When the alarm display is normal press button A to check the alarm sound If the watch is left alone for about 3 minutes in the alarm time correction state flashing display the alarm time...

Страница 16: ...ere is a confirmation beep upon start stop or reset operations Split time measurement 1 Press button A to start or stop 2 Pressing button B during measurement displays a split time for about 10 seconds 1 SP flashes on the display when a split time is being shown You can make repeated split time measurements 3 When stopped press button B to reset There is a confirmation beep upon start stop split t...

Страница 17: ... In any of the Time Modes press button M for 2 seconds or more to set the Log Mode 2 Each time button M is pressed you can recall the log data of the last 4 dives in reverse order starting from the most recent dive If you press button M again when Log No 4 is displayed the watch will change to Depth Alarm Mode 32 33 LOG DIVE Log No LOG DIVE LOG DIVE LOG DIVE LOG DIVE Last dive Log Mode Log No 1 Lo...

Страница 18: ...n A all log data of 4 dives is cancelled There is a confirmation beep when this happens You cannot cancel data items separately If there is no log data recorded appears on the Log No display when you press button A When the abnormal depth alarm ER is displayed is activated during a dive the maximum depth data flashes on the display If something goes wrong with the pressure sensor Log No and ER are...

Страница 19: ... 1 2 3 79 80 1 5 10 15 255 260 5 You can adjust quickly by keeping button A pressed down Display for the depth alarm not to sound I HOW TO USE THE DEPTH DIVING TIME ALARM There are the following 2 alarm functions in this watch s Diving Modes 1 Depth alarm function Set range 1m 80m 5ft 260ft 1m 5ft units The alarm sounds for 15 seconds when you reach the set depth while diving After the alarm sound...

Страница 20: ... order to carry out correct depth measurement switch to Diving Modes just before diving 2 HOW TO SET THE DIVING TIME ALARM 1 Press button M to switch to the Diving Time Alarm Mode The diving time display flashes on and off 2 Press button A to display the time when you want the alarm to sound The diving time alarm setting is now completed Each time you press button A you can adjust the diving time ...

Страница 21: ... the depth display at 0 0m 0ft within 1m 4ft it automatically switches to Log Mode If you press button A while diving the diving time is displayed for 2 3 seconds If you press button A again while the diving time is displayed the maximum depth is displayed for 2 3 seconds Never operate the crown or any push button except button A during a dive This will impair the water resistance of the watch 40 ...

Страница 22: ...conds 400 minutes repeated 43 1 DEPTH METER DISPLAY The first water depth measurement is taken at 1 0m 4ft and displayed measurement is done every second and is displayed Unit of water depth measurement 0 1m 1ft Measurement range 1 0m 80 0m 4ft 260ft When water depth is within 1 0m 4ft display reads 0 0m 0ft When water depth is over 80 0m 260ft display reads When ER and the depth are alternately d...

Страница 23: ...TCH s WARNING FUNCTIONS This watch has the following 2 warning functions Please use them as a guide for safe diving 1 ASCENDING SPEED WARNING FUNCTION If the ascending speed during a dive exceeds 1 5m 5ft per 10 seconds this alarm sounds for 10 seconds as a ascending speed warning When the ascending speed warning alarm is sounding the digital display alternately shows SLW and the current depth The...

Страница 24: ...0m 0ft even when you land and you might be unable to cancel Dive Mode If this happens pull out the crown and Dive Mode will be cancelled If you cancel Dive Mode in this way the log data will not be recorded 47 L IN CASE OF THE FOLLOWING The second hand moves at 2 second intervals The battery is nearing the end of its life and the low battery warning device is working When this happens replace the ...

Страница 25: ... again correctly before use 49 If the watch s display or operation is abnormal If a strong impact or strong static electricity is applied to the watch abnormal display or operation such as the digital display malfunction or the alarm continuing to sound might occur on a rare occasion If this happens carry out M ALL RESET After battery replacement After replacing the battery always carry out proced...

Страница 26: ...ive after sales service depending on the location so you are advised to replace the battery before you leave 6 You are charged for battery replacement and the accompanying inspection and parts replacement even within the warranty period 51 N BATTERY 1 Battery life The life of the battery is about 2 years after installation Approximate conditions of use Time alarms 15 seconds day No of dives 50 div...

Страница 27: ...the elapsed time from that point by reading what the minute hand indicates on the scale on the register ring Example In the diagram on the left the register ring indicates that 10 minutes have elapsed from the start of the dive from the mark position CAUTION The register ring can only be rotated in a counterclockwise direction in order to prevent operation error Trying to force the register ring t...

Страница 28: ...thstands water pressure up to 200m deep The crown is screw lock type Tighten the screw completely before use b All maintenance services including battery replacement must be carried out by a Citizen Service Center c Subject the watch to a water resistance check at the time of battery replace ment or every one or two years to maintain the water resistance of the watch 2 Pressure Sensor Never disass...

Страница 29: ...ated circuits used in the watch are sensitive to static electricity If exposed to intense static electricity the watch s display may lose its accuracy 57 3 Watch Band If the watchband shows cracks replace it with a new band When replacing the watchband also replace the spring bars connecting the watch and the band 4 Water resistance This diver s watch is designed to resist water pressure to a maxi...

Страница 30: ...int is a hazardous substance If the glass is broken avoid touching the paint and bring it immediately to the Citizen Service Center for repair or replacement 58 11 Safekeeping If you do not use the watch for an extended period of time wipe off perspira tion soil and moisture thoroughly and keep it in a place not exposed to extremely high or low temperatures or high humidity Don t leave a dead batt...

Страница 31: ...play is in 1 minute units 61 60 Q SPECIFICATIONS 1 Model C520 depth indication is in meters C526 depth indication is in feet 2 Accuracy of time measurement average 20 seconds month at normal temperature 5 C 35 C 41 F 95 F 3 Accuracy of depth measurement 3 of indicated value 30cm 1ft when used at a constant temperature Assured accuracy temperature range 10 C 40 C 50 F 104 F Accuracy of depth measur...

Страница 32: ...ion Low battery warning device Diving alarm monitor 7 Battery to be used 1 lithium battery 8 Battery life approximately 2 years after installation of a new battery Approximate conditions of use Time alarms 15 seconds day No of dives 50 dives year time of 1 dive 1 hour Depth alarm 45 seconds dive Diving time alarm 30 seconds dive Specifications are subject to change without notice 62 ...

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