Citizen B741/B746, Manual

Page 1: ...dessin de la montre reportez vous à 3 NOMEN CLATURE DES ORGANES p 83 Le design de la montre peut varier selon le modèle Cuando lea este manual de instrucciones por favor tenga el esquema del reloj de la izquierda desplegado y a la vista Diríjase a 3 DENOMINACION DE LAS PARTES pág 156 para los símbolos que aparecen en el esquema El diseño puede variar según el modelo Beim Lesen dieser Bedienungsanl...

Page 2: ...the secondary battery of the watch for more than 4 hours approximately 20cm 8in away from the fluorescent or incandescent lamp 30W as light sources When charging the secondary battery do not put it too close to the light source When charging the watch under direct rays of the sun charge for more than an hour IMPORTANT ...

Page 3: ...iver s watches using the mercury cell etc Solar power function The built in depth meter function automatically measures the depth in diving with the watch worn on the wrist Depth meter function The maximum depth in diving is automatically memorized Maximum depth memorizing function The chronograph function measures the time in units of one second for 50 minutes at maximum 3 2 Any repair of this pr...

Page 4: ...ury to yourself or other persons or damage to property this manual gives instructions which you should strictly follow as described below Injury and or damage which might be caused by using the watch improperly or neglecting any of the instructions or precautions in this manual are classified using the following symbols 5 Before using this watch carefully read this instruction manual for safe and ...

Page 5: ...and operate this watch 7 WARNING Diving is one of the sports involving many risks When using this watch for diving carefully read this manual and follow the instructions with good understanding of the proper way to use it Diving with this watch must be limited to recreational diving diving without decompression Don t use this watch for decompression diving saturated diving or diving in a high alti...

Page 6: ...AL CARE FOR THIS SOLAR POWERED WATCH 30 7 SWITCHING BETWEEN MODES 32 8 ADJUSTING TIME AND DATE Time mode 34 9 DIVING MODE 37 10 CHRONOGRAPH MODE 41 11 MEASURES AGAINST POSSIBLE PROBLEMS 44 12 SETTING FUNCTION HAND AT 0 POSITION 48 13 ALL RESET ADJUSTING HAND POSITION 50 14 NOTE ON SECONDARY BATTERY 52 15 OTHER FUNCTIONS 52 16 PROPER CARE FOR LONG TERM USE 56 17 SPECIFICATIONS 63 ...

Page 7: ...the battery is not sufficiently charged or the battery power is very low the depth meter function and chronograph function cannot be activated The battery of this watch is protected from overcharge For recharging the battery expose the solar cell the face of the watch to light 11 This instruction manual gives explanations of the model that indicates the depth in the metric system m meter by way of...

Page 8: ...pression sickness caisson disease 1 Buddy system means that two divers pair with each other for safe diving 13 2 BEFORE USING FOR DIVING CAUTION Before using this watch for diving For using this watch as an auxiliary depth gauge the user must not only receive general training and instructions in diving but also follow various rules The user should not use this watch without a good knowledge and un...

Page 9: ... see if the time and date are set correctly 15 PROHIBITION Circumstances that prohibit use of this watch in diving Don t use this watch for diving under the following circumstances When the function hand indicates NG on the charging level index When the function hand indicates NG on the charging level the watch will not measure the depth If the function hand points at NG on the charging level duri...

Page 10: ...fter confirming that the crown is screwed down tightly wash out seawater mud sand etc sticking to the watch with fresh water Then wipe off water and moisture with a dry soft cloth Neither remove the sensor cover nor pick at it with a sharp point in order to remove particles of dust etc collected in the sensor If the sensor part is packed with dust etc wash it out with fresh water In case it is dif...

Page 11: ...ezel g Solar cell Electric energy necessary for running the watch is generated by this solar cell when it is exposed to enough light for charging the battery 19 3 NAMES OF PARTS Collate the following table with the watch diagram on the first page 18 Name Time mode Diving mode Chronograph mode A Button A To be pressed for selecting a mode B Button B To be pressed for showing the maximum depth left ...

Page 12: ...ion hand Points at NG Time reset warning indication Function hand Points at 0 Stop warning indication Function hand Points at 0 Mode hand Points at 0 Insufficient charge warning indication 2 second interval movement 1 second interval movement As the battery is recharged Irregular 2 second interval movement As the battery power declines furthermore Normal indication Time mode As the battery power d...

Page 13: ...as once depleted after the status that the function hand indicated NG be sure to charge the battery with a lighting of 3000 lux 20 cm under a fluorescent lamp for at least 10 minutes before diving If diving continues for more than one hour pay careful attention to the indication of the function hand because the indication may change to NG from LV 1 during the diving and the watch may discontinue m...

Page 14: ...ower becomes insufficient for operation the watch is automatically shifted to the Time mode regardless of the currently set mode and the second hand goes for 2 second interval movement Insufficient charge warning indication If the watch is left in this condition without recharging for another two days the watch will stop If the watch falls into such condition the time measurement will be discontin...

Page 15: ... that the watch has stopped operation completely Stop warning indication All functions of the watch are inactivated in this indication Overcharge prevention function This watch has an overcharge prevention function When the secondary battery is fully charged this function is activated to protect the battery from overcharge by cutting of power supply This function relieves you from worry about over...

Page 16: ...ging Time required for fully charging the battery starting from the state that the watch has stopped operation in the stop warning indication Charging time for one day operation Time required for charging the battery enough for running the watch for one day starting from the state that the second hand normally goes every second Note For using the watch for diving one hour diving a day time require...

Page 17: ...refully keep the watch 50 cm 20 in or more apart from it so as not to get the watch hot WARNING Note on handling the secondary battery The user should not remove the secondary battery from the watch If you remove the battery from the watch for unavoidable reasons be sure to keep it outside the reach of a child to prevent him her from swallowing it If a child swallows the secondary battery by mista...

Page 18: ...and 0 position Function hand Charge level index position Mode hand DV position Function hand 0 position Mode hand DV position Function hand Depth indication Mode hand DV position 7 SWITCHING BETWEEN MODES Each time button A is pressed for two seconds the mode is switched from the time mode to the chronograph mode and vice versa Diving mode A If the water sensor gets wet while the watch is in time ...

Page 19: ...rown out to the time adjustment position the second click stop position the second hand will stop running 2 Set the watch for the correct time by turning the crown 3 Press the crown in to the normal position and the watch second hand starts running 4 Turn the crown clockwise to screw it tightly against the case When the crown is pulled to the time adjustment position the function hand points at th...

Page 20: ...to measure the depth In the Diving mode the watch automatically memorizes the maximum depth of the last dive and the user can recall it after the dive Mode hand DV position Note If date is adjusted when the watch shows a time between 9 00 pm and 1 00 am the watch may not advance the date indication the next morning Note on operation of the crown The crown of this watch is designed to be screwed do...

Page 21: ...epth is less than 50 m 125 ft the watch again indicates the depth How to cancel the Diving mode 1 Press button A for 2 seconds after diving or in the water where it is less than 1 m 5 ft deep depth indication 0 m 0 ft The Diving mode is canceled and the watch returns to the Time mode 2 When the watch is left for 10 minutes after diving or in the water where it is less than 1 m 5 ft deep depth indi...

Page 22: ...in diving for the first time it occasionally shows data stored during inspection prior to shipment B 0m 30 4 0 2 0 3 6 9 1 2 1 5 5 0 LV 2 LV 1 NG 10 CHRONOGRAPH MODE The chronograph function enables this watch to measure time in units of 1 second for a maximum of 49 minutes 59 seconds When it has reached 50 minutes since a time measurement was started the chronograph stops measuring time and the h...

Page 23: ...oth the hands are stopped the chronograph switches to the reset status The watch cannot be switched to the Chronograph mode from the Diving mode If the function hand or and mode hand do not reset to their respective 0 positions when the watch enters the Chronograph mode or the chronograph is reset adjust the hand s to the 0 position referring to 11 MEASURES AGAINST POSSIBLE PROBLEMS The mode canno...

Page 24: ...he mode hand are out of their respective 0 positions in other modes adjust the hand s referring to 13 ALL RESET ADJUSTING HAND POSITION The second hand jumps 2 seconds every 2 seconds Note this as the insufficient charge warning of a decline in the battery power If it occurs immediately recharge the battery sufficiently For details refer to 4 WARNING FUNCTIONS OF THIS SOLAR POWERED WATCH The secon...

Page 25: ...rding to 13 ALL RESET ADJUSTING HAND POSITION The function hand continues to indicate the overzone mark If the water sensor gets dirty or wet it is activated even when the watch is not wet and the wet detection error indication the function hand points to the overzone mark appears In case the watch falls into this status carefully clean the water sensor part and wipe out moisture completely If car...

Page 26: ...e crown is pulled to the second click stop position the function hand does not move regardless of button operation If the watch falls into such the condition press the crown into the normal position and make a fresh start to adjust the hand position Before unscrewing and pulling out the crown make sure that the crown is not wet Automatic time correction function If it takes 4 minutes or less to ad...

Page 27: ...DV 50 10 DV Mode hand Function hand Adjusting position B A 5 Press the crown in to the normal position and screw it down tightly against the case As the crown is pressed into the normal position the watch returns to the Time mode and starts running After the watch is reset the function hand points at NG position regardless of remaining battery power Approximately 1 hour after resetting the functio...

Page 28: ...nction Be careful not to turn the rotating bezel clockwise by force otherwise the rotating bezel may be damaged When using the rotating bezel you are advised to read its indication just as a guideline 53 52 1 0 2 0 3 0 40 5 0 14 NOTE ON SECONDARY BATTERY The secondary battery used in this watch is a clean energy battery that incorporates no toxic substance such as mercury inside The secondary batt...

Page 29: ... this table as a guideline only In case of diving that requires the diver to take a rest for decompression before rising to the surface perform diving following a manual exclusively compiled for diving How to read no decompression limits DEPTH m N D TIME Max depth in meter No decompression time 12m 40ft 200Min 15m 50ft 100Min 18m 60ft 60Min 21m 70ft 50Min 24m 80ft 40Min 27m 90ft 30Min 30m 100ft 25...

Page 30: ...hen the watch is wet For maintaining the water resistance For maintaining the water resistance ask the nearest Citizen Service Center directly or through the store where you purchased the watch to inspect the watch and to replace the packing glass crown etc if needed once a year or every two years 16 PROPER CARE FOR LONG TERM USE WARNING About water resistance This watch is water resistant against...

Page 31: ...e blown away by the pressure CAUTION For repairing the watch This watch must be repaired by an authorized Citizen Service Center only CAUTION Note on the luminous dial The luminous paint used for the dial of this watch is mainly made from light accumulating materials which are harmless to the human body and the environment since it contains no toxic substance such as a radioactive material This lu...

Page 32: ...e If the watch is out of order for the said reason keep the watch away from such things and reset the watch to the correct time The IC used in the quartz watch has a characteristic that it cannot withstand much static electricity If the watch is affected by static electricity radiated from a TV set etc it may gain or lose time 61 60 CAUTION Always keep the watch clean The case back and the space b...

Page 33: ... accuracy 10 C to 40 C 50 F to 104 F Depth gauge accuracy is influenced by changes in surrounding temperature 5 Range of watch operating temperatures 10 C to 60 C 14 F to 140 F Be careful not to drop the watch on the floor etc Don t use the watch in an environment where the watch is exposed to chemicals or gases If the watch is cleaned using thinner benzine or other solvents gasoline nail polish c...

Page 34: ...ndary battery used One secondary battery Specifications are subject to change without notice 6 Indications Time Hour minute second 24 hour Charge level Date Chronograph Minute second 50 minute chronograph reading in units of 1 second Depth gauge 1 m to 50 m 5 ft to 125 ft Reading in units of 1 m 2 5 ft Depth less than 1 m 5 ft is indicated as 0 m 0 ft Depth more than 50 m 125 ft is indicated as ov...