Citizen C500, Instruction Manual

Page 1: ...SET STP SEL RES DIV MAX A SP 5 0 4 0 30 2 0 1 0 P SEL CA A B M 1 6 0 8 4 5 7 9 3 2 ...

Page 2: ...an store the data for 4 dives Moreover different dive alarm functions are available One alarm function alerts the diver of excess speed in ascending if you ascend too rapidly during a dive the alarm sounds Highly reliable water resistant for use at depths of up to 200 meters The highly reliable water resistance conforms to ISO standards for diving watches ISO diving watch standards are those set f...

Page 3: ...26 CHANGING THE LOG DISPLAY 28 H DIVE ALARM MODES 34 SETTING THE DEPTH ALARM DIVE TIME ALARM 36 DIVE ALARM MONITOR 37 CONTENTS I DIVING MODE 38 DEPTH MEASUREMENT READINGS 40 J PRECAUTIONS FOR DIVING MODE USE 42 MAKING ACCURATE DEPTH READINGS 42 HIGH ALTITUDE FRESHWATER DIVING 42 BEFORE DIVING 43 DURING DIVING 43 AFTER DIVING 43 K VARIOUS ALERT FUNCTIONS 44 L IN CASE OF THE FOLLOWING 47 M ALL RESET...

Page 4: ...indicator will measure depths up to 80 meters 6 4 Early battery replacement is recommended A new battery will last approxi mately 2 years However this will vary greatly depending on the frequency of depth meter use Replace the battery early Battery replacement should be conducted only at Citizen Service Centers 5 Be sure to rest sufficiently after diving as specified by diving rules Riding in an a...

Page 5: ...s or other hard objects Service for this watch should be conducted only by Citizen Service Centers 2 In temperatures outside of the warranted temperature range The warranted temperature range for the depth meter in this watch is from 10 C to 40 C 50 F to 104 F 3 In potentially dangerous activities or conditions This watch is not designed for use in maritime emergencies or to prevent sea disasters ...

Page 6: ...ss once Depress 2 second or more Time Calendar Mode Hours Minutes A P Date Day Seconds or thermometer CA SEL TME Switch to Second Date Day Thermometer measurement To time setting mode To Alarm Mode The dive ready state is entered Alarm Mode Hours Minutes A P ON OFF SET SEL ALM Always displays hours Always displays minutes Always displays seconds Used to set analog time Switch to ON OFF Alarm monit...

Page 7: ...Current temperature reading 0mreadingafterdepthmeasurement 0 0 m flashing DIV turns on Dive time CA Maximum depth recall Minimum temperature reading To Time Calendar Mode Log Mode 1 2 CA SEL LOG Memo logged recall Number of log times recall To Dive Alarm Mode The dive ready state is entered Dive Alarm Mode Depth Alarm Dive Time Alarm SEL DAL Dive alarm monitor Dive Alarm correction Mode To Time Ca...

Page 8: ...de M M M M DIV MAX A SP SEL RES SET STP P SEL CA CA P DIV MAX SP SEL RES STP SEL A SET CA SEL SP P A STA RES SET DIV MAX STP SEL SEL SET A CA P DIV MAX SP SEL RES STP SEL SET A P SP STP DIV MAX RES CA SEL CA SEL STA RES SET STP SEL SP P A MAXDIV M C SWITCHING MODES From any mode shown in the box below 1 the watch can be made to enter the diving mode Ready state by pressing button M for 2 seconds o...

Page 9: ... of the buttons while the crown is pulled out 3 Do not pull out or turn the crown when it is wet Doing so may allow water to seep inside the watch and cause a malfunction Screw locked position Freed from the screw locked position 17 16 D TIME CALENDAR MODE Switching in the digital display II 1 Press button A and select month date or seconds 2 Press button A two seconds or more temperature measurem...

Page 10: ...anual return Due to the autocalendar no correction at the end of the month is required b Analog setting Setting the Analog Time 1 Unscrew the crown and pull it out to stop the second hand at 0 position 2 Turn the crown and position the hour and minute hands 1 minute in advance of the digital time 3 Press the crown into place when the seconds display of digital time has just come to 0 to start the ...

Page 11: ... alarm monitor will sound Auto return system If the watch is kept in the alarm mode for 3 minutes or more it is automatically switched to the time calendar mode 21 E ALARM MODE When the alarm indicator is ON the alarm will sound for 15 seconds at the alarm set time once a day Note The alarm is disabled during the diving mode so take care Setting the alarm 1 While in the alarm mode press button B f...

Page 12: ... RESTART STOP RESET A B A A B SPLIT 1 Automatically switched after 10 seconds 2 When the same button B is pressed again during the display of a split time the next split time is displayed 1 2 F CHRONOGRAPH MODE The chronograph can measure up to 24 hours in 1 100 seconds The chronograph display automatically returns to 00 and stops Hour Button B Second Minute Button A 1 100 Second RES A SEL SET CA ...

Page 13: ...t time 25 Note Changeover to another mode is disabled during the chronograph measurement To change the mode to another mode make the chronograph measurement stop or reset Additional feature Auto return system If the chronograph reset state remains for 3 minutes or more the watch is automatically switched to the time calendar mode 24 ...

Page 14: ...ly It is recommended to record the data on a log book etc 27 Log data Log data Log data Log data B B B G LOG MODE 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 To recall the log data for the last 4 dives press button B Each time button B is pressed the log data is displayed in the order going back from the...

Page 15: ...on A 28 Each time button A is pressed the log display is changed to the next in the order of I II III and IV Changing the Log Display Every dive makes the watch memorize the following 8 types of log data auto matically which can be recalled in the order of I II III and IV as shown below When the watch is switched from the chronograph mode to the log mode by pressing button M log I is displayed Log...

Page 16: ...ed day by day 2 Dive month and date Date and month when diving is performed 3 Maximum depth The maximum depth that was reached in one diving 4 Dive time Dive time total time when the diver remains deeper than the depth of one meter If the diver goes again into the water deeper than 1 m 4 ft within 10 minutes after the diving depth becomes shallower than 1 m 4 ft the dive time counting resumes at t...

Page 17: ... A and button B together for 2 seconds or more and all log data will be deleted In case the depth indication flashes This signifies that the log data is faulty 32 Button B Button A LOG SP P A DIV MAX STA RES SEL SET STP SEL CA SEL SEL SP P A STA RES SET DIV STP CA MAX SEL STA RES SET STP SEL SP P A MAX DIV CA ...

Page 18: ...uring one dive is preset on the watch For example if you set the number of times at 1 the alarm sounds only once during one dive 2 Dive time alarm function When the set time comes after starting a dive the alarm will beep for 15 seconds This alarm will not be repeated If the ascending speed is over 1 5 m 5 ft for 10 seconds during a dive the ascending speed alarm will beep for the duration of at l...

Page 19: ... button B or M to finish the setting procedure Dive Alarm Monitor By keeping button A depressed repetitive alarm monitoring at 4 second intervals can be performed in the following order depth alarm dive time alarm rapid ascent warning alarm 37 Setting the depth alarm dive time alarm 1 Press button B for 2 seconds or more to switch to the DIVE ALARM correcting mode the preset depth value starts fla...

Page 20: ...unting resumes Button M Button A Time Calendar Mode 38 I DIVING MODE When in any other mode the watch will enter the diving mode with the display changing to Ready display by pressing button M for 2 seconds or more If Ready display put in this way is allowed to stand for about 60 minutes the display automatically returns to the preced ing mode One of the following three displays is shown in the di...

Page 21: ...range the display will be C F While button A stays depressed during the dis play of the diving time the display shows water temperature readings not the diving time 41 Dive time measurement 40 Depth Measurement Readings 1 Depth Measurement The diving depth is measured every second and the reading of the depth is displayed on the watch Units of depth measurement 0 1 m 1 ft Range of measurement 1 0m...

Page 22: ...ing the sensor portion of the watch using a sharp instrument 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 54 59 J Precautions for Diving Mode Use Making accurate depth readings 1 Switch the watch to the Diving Mode shortly before diving In case the watch tho...

Page 23: ...used on land 45 K Various Alert Functions This watch is provided with the following alert functions These alerts are recommended to be used to increase the safety in diving 44 1 Ascending Speed Warning If the ascending speed exceeds 1 5 m 5 ft in 10 seconds during a dive the alarm will sound for more than 10 seconds as the ascending speed alert DIV DIV 0m 15 0m 25 0m SEL STA RES SET STP SEL SP P A...

Page 24: ... Readings is disabled 4 With Depth Measurement Readings displayed on the watch the dive alarms do not sound Stop diving immediately 5 With Temperature Measurement Readings active on the watch the watch returns to the pre state 6 In case of the water sensor check alert display the alert display is disabled 47 3 Water Sensor Check Alert Although the water sensor is activated and the watch enters the...

Page 25: ...e 49 If the watch display is changed to the pre state of the diving mode Ready display or to the time calendar mode when the crown is pulled out there is no problem If the mode change cannot be made all reset should be performed see page 49 Note 1 Digital display malfunction Should strong impact or static electricity be applied to the watch by accident the digital display may malfunction at times ...

Page 26: ...ent is recommended as this service may be unavailable in some areas 6 A charge for battery replacement and related inspection and parts replace ment will be levied even within the specified warranty period 51 N The Battery a Battery life A new battery installed in this watch will last approximately 2 years Standard usage conditions Number of dives 50 dives year Duration of dives 1 hour The life of...

Page 27: ...ts on this watch as a guideline When a dive requires no decompression limits make sure you follow a specialized divers manual Example If the diver is at 21 meters for 50 minutes or less then it is OK to surface without stopping to decompress O Other functions Register ring Use the register ring to measure elapsed time Using the register ring Before diving rotate the register ring to line up the ma...

Page 28: ...ion WATER RESIST 200 m WATER RESIST ANT washing face or getting wet in the rain when splashed over it and no water pressure is applied to it OK OK Dial Case back P Care for long term use Water resistance swimming and general washing work kitchen work car washing etc 1 Notes on Water Resistance a This diver s watch has the waterproof construction for diving up to 200 m and withstands water pressure...

Page 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 56 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 m...

Page 30: ... band Wash in water Do not use solvent 59 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 ma...

Page 31: ...61 Q SPECIFICATION 1 Caliber number C500 Depth indication measured in meters Temperature in Centigrade C506 Depth indication measured in feet Temperature in Fahrenheits 2 Accuracy of time measurement 20 seconds month at normal temperature 5 C 35 C 41 F 95 F 3 Accuracy of depth reading Indicated value X 3 30 cm Conditions constant temperature and excluding margin of error by sight Assured accuracy ...

Page 32: ...cending speed alarm Abnormal depth alarm Water sensor check alert 8 Additional features Low battery warning function Dive alarm monitor 9 Battery to be used One battery 10 Battery lifetime About 2 years after a new battery is installed Normal use conditions Number of times of diving 50 year One dive duration 1 hour The life of the battery depends on the use frequency of the alarms or other functio...