Seiko Group S141 User's Manual
Contents
1. and or a sticker on the case back be sure to peel them off before using it STATIC ELECTRICITY The IC Integrated Circuit used in your stopwatch will be affected by static electricity which may disturb the display Keep your stopwatch away from close contact with objects such as TV screens which emit strong static electricity LIQUID CRYSTAL PANEL The normal life expectancy for a liquid crystal panel is approximately 7 years After that it may decrease in contrast becoming difficult to read Please contact your AUTHORIZED SEIKO DEALER or SERVICE CENTER if you wish to have a new panel fitted guaranteed one year 300 LAP SPLIT SELECT clean STOP STR KE TIME WATCH a DUAL ME WATER RESISTANT 10BAR TIME CALENDAR SETTING O Before setting the time calendar or ID No be sure to reset the stopwatch to 00 The time calendar and ID No can be set only when the stopwatch is reset Month Year B AA ade ID No FF mos im tu tU Date jab Hour HAHA 59 7 Seconds o _ TIME CALENDAR display indicator Minutes F D 1 Press D to show the TIME CALENDAR display and then press B SECOND digits flash Press A to reset the SECOND to 00 2 Press B repeatedly to select the digits flashing to be adjusted in the following order TIME CALENDAR display SECOND MINUTE HOUR YEAR MONTH MEMORY MODE Setting mode 3 Press A to set the dig2. ceeeeee Hour minute second 1 100 second Three row display of split time lap time total elapsed time or lap time in progress Number of blocks 1 999 Number of lap split times 0 999 Memory capacity indicator bar indicator Stroke frequency measuring display Number of strokes 10 180 per minute measurement time 1 to 18 seconds Number of measurement 1 9 6 Display medium Nematic Liquid Crystal FEM Field Effect Mode 7 Battery Lithium battery SB T74 1 piece 8 Battery life Approximately 3 years If the stopwatch is used for more than 3 hours a day the battery life may be less than the specified period 9 IC Integrated Circuit C MOS LSI 1 piece 10 Battery life indicator is available The specifications are subject to change without prior notice for product improvements
3. data stored in memory is displayed graphically by the memory capacity indicator Each segment of the bar corresponds to 30 data When no segment is displayed the stored data is less than 30 When the memory reaches its full capacity all the segments of the bar are displayed Number of data in memory The 301st data and those measured thereafter will be displayed but will not be stored in F i When the number of memory for later recall 2 stored measurements While the data is recalled a segment of the bar flashes to indicate the I a PA S letter measurement order of the data being recalled H iedos Whenthe mermon Sst 0 A block of data contains at least three data components block number T 150 179 its full capacity the measured lap split time starting time and date If more than one block of data T 120 149 letter F stops flashing is stored in memory the memory may reach a capacity limit even before the T 90 119 and remains displayed total number of lap split time measurement totals to 300 i 60 89 D E 30 59 4 HOW TO CLEAR THE STORED DATA O0 Once the following steps are taken all the stored data are erased from memory The stored data cannot be erased one by one or block by block c O0 Before clearing the data check that the stopwatch is reset to 00 B 1 Press C to show the MEMORY RECALL display Keep B pressed for more than 1 5 seconds While the button is kept p
4. one measurement can be stored in memory and recalled on display With each press of C the stored data is recalled The data can be recalled successively one after another by keeping C pressed The stored data can be recalled even during measurement while the stopwatch is measuring Memory recall sequence When the stopwatch is stopped with each press of C the stored data will be recalled from the first oldest to the last newest data When the stopwatch is measuring with each press of C the stored data will be recalled from the last newest to the first oldest 0 MEMORY RECALL WHEN THE STOPWATCH IS STOPPED OR RESET O With each press of C the data is recalled chronologically starting from the first oldest data Ex When the stopwatch is reset to 00 after the measurement Reset First lap time Split amp lap times Stop time Lap Split Split time Lap time c number SPL x rin s PLN z Tout m Tg e When a new measurement is ggg 0u oo oo re 2 iSe4ss ie gen i 4 i2 commenced the lap split time data ue Ooo oo oo gt vse D iS 2455 gt use a 6 Ye 33 obtained from the previous nnn Ga Sy Ta bee measurement will be automatically Gace a i Tei 3g doled RECALL mark appears while the stored data is being recalled on display The mark shows the memory recall sequence descending ascending T
5. SEIKO DIGITAL STOPWATCH Cal S141 You are now the proud owner of a SEIKO Digital Stopwatch Cal 141 For best results please read the instructions in this booklet carefully before using your SEIKO Digital Stopwatch Please keep this manual handy for ready reference AX WARNING NOTES ON THE BATTERY FOR THE STOPWATCH Do not remove the battery from the watch If it is necessary to take out the battery keep it out of the reach of children If a child swallows it consult a doctor immediately Never short circuit heat or otherwise tamper with the battery and never expose it to fire The battery may burst become very hot or catch fire The battery is not rechargeable Never attempt to recharge it as this may cause battery leakage or damage to the battery NOTES ON THE STRAP The stopwatch has a strap for wearing it around your neck Take good care lest it should be caught by something near you or wind around your neck Please also note that the strap may damage your clothes or injure your hands neck or other parts of your body TO PRESERVE THE QUALITY OF YOUR STOPWATCH 0 WATER RESISTANCE 10 bar Your stopwatch is designed and manufactured to withstand up to 10 bar and is suitable for taking baths and shallow diving but not for scuba diving Do not operate the buttons when the stopwatch is wet or in water If used in sea water rinse the stopwatch in fresh water and dry it completely When bathing with your st
6. actory to check the function and performance of the watch its actual life once in your possession may be less than the specified period When the battery expires be sure to replace it as soon as possible to prevent any malfunction For battery replacement we recommend that you contact an AUTHORIZED SEIKO DEALER and request SEIKO SB T74 battery If the stopwatch is used for more than 3 hours a day the battery life may be less than the specified period Na RECALL 3 Years 0 Battery life indicator When the battery nears its end a flashing battery mark BATT is displayed In that case have the battery replaced with a new one as soon as possible by the retailer from whom the stopwatch was purchased or an AUTHORIZED SEIKO DEALER When the battery is replaced with a new one all the stored data will be erased from memory SPECIFICATIONS 1 32 768 Hz Hz Hertz Cycles per second 0 0006 at normal temperature range 5 C 35 C 41 F 95 F Less than 15 seconds per month Frequency of crystal oscillator Accuracy 3 Operational temperature range 10 C 60 C 14 F 140 F 4 Desirable temperature range of use 0 C 50 C 32 F 122 F 5 Display system Time calendar display Hour 24 hour indication minute second year from 2006 to 2055 month date ID No OFF 01 99 CONTRAST ADJUSTMENT 1 10 Stopwatch display
7. display regardless of the display mode Benefits of block memory mode Easy data management The block number as well as starting time and date of measurement are automatically recorded and stored Handy data storage Creation of a new block of data will not erase the previous data in memory While in the single memory mode a new measurement will delete the latest measurement data When the stopwatch is reset while the block memory mode is selected a new block number is assigned to the next sequence of data Block number A block of data with a block number is automatically accompanied by the starting time and date of measurement which is convenient for easy data management A block of data contains at least three data components block number measured lap split time s starting time and date If more than one block of data is stored in memory the memory may reach a capacity limit even before the total number of lap split time measurement totals to 300 1 MEMORY RECALL WHEN THE STOPWATCH IS STOPPED OR RESET 0 With each press of C the data is recalled chronologically starting from the first oldest data in block 1 Ex When the stopwatch is reset to 00 in block 4 Reset Start time amp date Fastest lap time Split amp lap times Stop time block 1 block 1 block 1 block 1 c Block number Date Fastes
8. he data can be recalled successively by keeping C pressed To stop the recall of the data when the stopwatch is stopped press A B or D To stop the recall of the data when the stopwatch is reset press A or D MEMORY RECALL FUNCTION BLOCK MEMORY MODE Block memory mode The Cal 141 features a dual memory mode Single memory mode zeit The single memory mode is the default set mode The lap split time data of one measurement from start to stop can be stored When the stopwatch is reset and a new measurement is commenced the lap split time data of the previous measurement will be automatically deleted inane The block memory mode is an advanced mode designed for professional level use A sequence of measurement data obtained from start to stop or reset is recorded as a block Up to 100 blocks of data can be stored in memory without deleting the previous data lt How to change the memory mode gt 1 While in the TIME CALENDAR display press B 8 times until BLOCK appears on the display above which either ON or OFF is flashing 2 Press A for 1 5 seconds until the memory mode changes with a long beep Ore ogee LE Ar mock A wo PE i AP A fin BLOCK Block mark Block memory mode Single memory mode When the block memory mode is selected the BLOCK mark appears at the bottom right on the
9. its The digits move quickly if the button is kept pressed 4 Press B to return to the TIME CALENDAR display Notes 1 The calendar automatically adjusts for odd and even months including February of leap years from 2006 to 2055 2 When the SECOND reads any number from 30 to 59 and A is pressed one minute is added 3 The time is displayed in the 24 hour indication 4 The ID No can be set in two digits from 01 to 99 When OFF is displayed it indicates that no ID No is set 5 To change the memory mode press and hold A for 1 5 seconds ADJUSTING THE CONTRAST ON THE DISPLAY 0 The contrast of the liquid crystal display can be adjusted in 10 steps from level 1 to 10 When OFF is displayed above BLOCK the stopwatch is in the single memory mode which is the default setting When ON is displayed above BLOCK and the BLOCK mark appears at the bottom right the stopwatch is in the block memory mode which is designed for professional level use D Refer to MEMORY RECALL FUNCTION BLOCK MEMORY MODE on page 3 OFF in Block Block o CAUTION BLOCK mark oe AY Change of memory mode will delete all the gt a m previously stored data Single memory mode Block memory mode 1 Press C in the TIME CALENDAR display to show the CONTRAST ADJUSTMENT display 2 Press A or B repeatedly to adjust the co
10. ntrast The display becomes darker by pressing A Contrast and lighter by pressing B level 3 Press C or D to return to the TIME CALENDAR display STOPWATCH Up to 300 lap split time data can be stored in memory and recalled during or after measurement The stopwatch can measure and display the lap split time that exceeds its limit of 300 but it cannot store the data in memory for the 301st measurement data and afterward When a new measurement is commenced while the stopwatch is in the single memory mode the lap split time data obtained from the previous measurement will be automatically deleted For professional level use the default single memory mode can be changed to the block memory mode in which commencement of a new measurement will not erase the previous measurement data The block memory mode is useful for saving records or comparing data D Refer to MEMORY RECALL FUNCTION BLOCK MEMORY MODE on page 3 0 Before using the stopwatch be sure to reset the digits to 00 STANDARD MEASUREMENT When the stopwatch is stopped press B When the stopwatch is counting press A and then press B Block No A 0 Press D to show the STOPWATCH 1 Accumulated elapsed time display Split time A A B 1 Lap time START STOP RESET ACCUMULATED ELAPSED TIME MEASUREMENT STOPWATCH display indicator Oo D Press D to show the STOPWATCH 1 Accumula
11. opwatch be sure to observe the following Do not operate the buttons when the stopwatch is wet with soapy water or shampoo If the stopwatch is left in warm water a slight time loss or gain may be caused This condition however will be corrected when the stopwatch returns to normal temperature TEMPERATURES If the stopwatch is left in direct sunlight for a long time the display may become black but this condition will be corrected when the stopwatch returns to normal temperature Do not leave your stopwatch in very low temperatures below 10 C 14 F for a long time since the cold may cause a a slight time loss or gain b the change of digits to become slow c the display light to dim However the above conditions will be corrected when the stopwatch returns to normal temperature SHOCKS Do not subject it to violent shocks MAGNETISM Your stopwatch will not be affected by magnetism CHEMICALS Be careful not to expose the stopwatch to solvents mercury cosmetic spray detergents adhesives or paints Otherwise the case etc may become discolored deteriorated or damaged PERIODIC CHECK It is recommended that the stopwatch be checked once every 2 to 3 years Have your stopwatch checked by an AUTHORIZED SEIKO DEALER or SERVICE CENTER to ensure that the case buttons gasket and crystal seal remain intact PRECAUTION REGARDING CASE BACK PROTECTIVE FILM If your stopwatch has a protective film
12. ressed the display shown at right appears with warning beeps After 1 5 seconds all the stored data is erased from memory with a long beep Then the initial measurement display is shown Unless B is kept pressed for more than 1 5 seconds the stored data will not be erased from memory dAtA RECALL agp STROKE FREQUENCY MEASUREMENT 0 The stroke frequency of an activity per minute is automatically calculated by measuring the time required to make three strokes 0 Measurable number of strokes per minute is between 10 and 180 O0 Up to 9 data can be stored in memory 1 HOW TO USE THE STROKE FREQUENCY MEASURING FUNCTION 1 Press D to show the STROKE FREQUENCY MEASURING display 2 Press A to start the measurement 3 Press A to stop the measurement after the third stroke was made Start of Stop of measurement A Measuring measurement M i 4 t Li Co nm NAN p n ug 180_6 H 5 PA IS A Number of strokes Memory No per minute Notes 1 During the first second after the measurement has been started by pressing A flashing 180 0 is displayed If the measurement is stopped by pressing A during the period Error will appear If the measurement is not stopped by pressing A after more than 18 seconds have elapsed Error will automatically appear 2 If B is pressed while the measurement is stopped or Er
13. ror is shown the digits will be reset to 0 0 Even if the digits are not reset to 0 0 with the measurement stopped or Error shown on the display the Error mark measurement can be started by pressing A 3 When the digits are reset to 0 0 or a new measurement is started the data measured last will be stored in Memory 1 When the new measurement is made it will be stored in Memory 1 as the data in Memory 1 is transferred to Memory 2 4 When more than 9 measurements are made the oldest data will be erased from memory 2 RECALL OF THE STORED DATA O With each press of C the data is recalled starting from Memory 1 The data cannot be recalled while the measurement is being made HOW TO CLEAR THE STORED DATA 0 Once the following steps are taken all the stored data are erased from memory The stored data cannot be erased one by one Press C to show the MEMORY RECALL display Keep B pressed for more than 1 5 seconds While the button is kept pressed the display shown at right appears with warning beeps After 1 5 seconds all the stored data is erased from memory with a long beep Then the initial measurement display is shown Unless B is kept pressed for more than 1 5 seconds the stored data will not be erased from memory BATTERY CHANGE The lithium battery which powers your watch should last approximately 3 years However because the battery is inserted at the f
14. t lap number Lap Split number Split time _ a __ C00 co oo coos aF LAP leo ii D000 08 Ls 8 9 e DOYO Bj ea 164293 Dataof _ Data of mannan inn 2 aG block 2 block 3 Luu uu oo iu L Cig iad RECALL ge pes RECALL ge RECALL age RECALL age Starting time Fastest lap time The data can be recalled successively by keeping C pressed To stop the recall of the data when the stopwatch is stopped press A B or D To stop the recall of the data when the stopwatch is reset press A or D 2 MEMORY RECALL WHEN THE STOPWATCH IS MEASURING O0 With each press of C the data is recalled starting from the last newest data Ex When the measurement of the third split lap time in block 4 has been completed Fastest lap time block 4 Fastest lap number LF L AP Split lap 3 MTA 18 Split lap 3 Split lap 2 Split lap 1 Data of Data of Data of block 4 block 4 block 4 block 4 block3 block2 block 1 Accumulated elapsed time The data can be recalled successively by keeping C pressed To measure the lap time and split time while the stored data are recalled operate the buttons as follows Press B to measure new lap time and split time Press A to stop the measurement Press D to return to the measurement mode 3 MEMORY CAPACITY INDICATOR The number of
15. ted elapsed time display Accumulated elapsed time lap time in progress A A B START STOP RESTART STOP RESET Restarting and stopping the stopwatch can be repeated by pressing A 3 SPLIT LAP TIME MEASUREMENT Lap time 0 Press D to show the STOPWATCH 1 Accumulated elapsed time display or STOPWATCH 2 Lap time in progress display Start A Split time B B B Split time refers to an elapsed time required to START SPLIT LAP 1 SPLIT LAP 2 STOP RESET cover a distance from the start to a given point The split lap time can be measured repeatedly by pressing B Lap time refers to an elapsed time required to cover a given section of the whole distance 7 SPLIT p295 72 1 Split time Split lap No e m isa rg tape l ue Lap time narogn 1 co Accumulated elapsed LAILI ut Lap time in progress Lap time in progress time display display mark display Notes A lated el d ti m ccumulated elapsed time g3 uc 1 When the digits are reset to 00 by pressing B a new block number for the next measurement is displayed 2 Inthe lap time in progress display when the lap time measurement in progress exceeds 1 hour the hour digit appears in place of the mark for lap time in progress display MEMORY RECALL FUNCTION SINGLE MEMORY MODE Up to 300 lap split time data of
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