Instruction/ maintenance manual of the product 7B26 Seiko
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Y ou are now the proud owner of a SEIKO Radio Wave Controlled Worldtimer Cal. 7B26. For best results, please read the instructions in this booklet carefully before using your SEIKO Analogue Quartz Watch. Please keep this manual handy for ready reference.
English English 2 English English 3 APPROPRIA TE PLACE TO KEEP A RADIO-CONTROLLED W A TCH .............................. 30 TIME ZONE ADJUSTMENT ............................................................................................ 33 WHA T IS A TIME ZONE? .
English English 4 English English 5 ■ TIME ZONE ADJUSTMENT The watch can be set to local time in a different time zone by selecting a time zone. ■ AUTOMA TIC HAND ALIGNMENT When the hand positions display incorrect time as a result of the influence of various external sources, the watch automatically corrects the hand alignment itself.
English English 6 English English 7 C H I C A G O C A R A C A S L O N D O N C A I R O D U B A I D H A K A N E W Y O R K R I O D E J A N E I R O A Z O R E S U T C P A R I S B E R L I N M O S C O W K A .
English English 8 English English 9 THE SCREW LOCK TYPE CROWN The crown can be locked to prevent operating errors. HOW TO OPERA TE SCREW LOCK TYPE CROWN - Unscrew the crown before the crown operation. - Screw in the crown when the operation is over . [T o unscrew the crown] T urn the crown counterclockwise.
English English 10 English English 11 ST ANDARD CHARGING TIME Illumination Light source Condition (Example) Time required for Time required for Time required for 1 x (LUX) fully charging the charging .
English English 12 English English 13 ENERGY DEPLETION FOREWARNING FUNCTION The energy depletion forewarning function is activated when the energy stored in the watch runs low .
English English 14 English English 15 [POWER SA VE 2] •If the watch continues to be insufficiently charged, and the stored power falls below a certain leve l, the watch au toma tica lly swi tche s to "th e Power Save T w o” m ode, to limit furthe r ener gy consumption.
English English 16 English English 17 •The battery used in this watch is a special secondary battery, which is different from ordinary batteries. Unlike an ordinary silver oxide battery , the secondary battery does not require periodic replacement. •The secondary battery is an environmentally friendly , clean energy storage device.
English English 18 English English 19 AUTOMA TIC HAND ALIGNMENT Under normal operation, periodic checks of each hand position are performed once every one- minute for the second hand position, and once every twelve hours for the hour and minute hand positions.
English English 20 English English 21 This watch can receive official standard frequencies from transmitting stations in Germany , the United States, and Japan (2 stations). The standard frequency to be received can be changed by selecting the time zone.
English English 22 English English 23 EUROPE (DCF77 from Germany) The reception range from the transmitting station is approximately 1,000 km (1,000 km radius of Mainflingen transmitting station). There are three time zones within the reception range.
English English 24 English English 25 JAP AN (JJY) T h e re c e pt io n r an g e f ro m e a ch t r a n sm i t t i ng s t a ti on i s ap p r o xi ma t e ly 1 , 0 0 0 km ( 1, 00 0 k m r a d i us o f ea ch s ta ti o n ) .
English English 26 English English 27 ○ A Preparation During reception While receiving radio signals, the watch hands move to display the current reception level. Reception level display When the watch has a good chance of successful reception The second hand points to H (High: the 50- second position).
English English 28 English English 29 The result of the last reception attempt of either automatic or manual reception is displayed. ○ A If the reception was successful , the second hand points to Y (Yes: the 10 second position). If the reception has failed , the second hands points to N (No: the 20 second position).
English English 30 English English 31 CONDITIONS IN WHICH THE WA TCH MA Y BE UNABLE TO RECEIVE RADIO SIGNALS Avoid putting the watch in such place s when it receives radio signals. APPROPRIA TE PLACE TO KEEP A RADIO-CONTROLLED W A TCH Place the watch where it can easily receive radio signals.
English English 32 English English 33 WARNING TIME ZONE ADJUSTMENT HOW TO USE THE TIME ZONE ADJUSTMENT FUNCTION The watch can be set to local time in a different time zone easily by selecting a time zone. The watch can receive the standard frequencies of Germany, the United States, and Japan to set the precise time and date.
English English 34 English English 35 24 TIME ZONES AND TIME DIFFERENCES FROM UTC Date line JAPAN(JJY) THE UNITED STATES (WWVB) EUROPE (DCF77 from Germany) EUROPE (DCF77 from Germany) WHA T IS A TIME ZONE? TIME ZONE AND TIME DIFFERENCE T ime zone means the region where the common standard time is used.
English English 36 English English 37 C H I C A G O C A R A C A S L O N D O N C A I R O D U B A I D H A K A N E W Y O R K R I O D E J A N E I R O A Z O R E S U T C P A R I S B E R L I N M O S C O W K A R A C H I D E O K H Y W W V B D C F 7 7 D S T The arrow mark can be used to set the time zone during the summer time period.
English English 38 English English 39 C H I C A G O D H A K A N A C H I D E N V E R A N C H O R A G E M I D W A Y N O U M E A T O K Y O B A N G K O K L O S A N G E L E S H O N O L U L U W E L L I N G T O N S Y D N E Y H O N G K O N G L N W W V B J J Y 6 The arrow mark can be used to set the time zone during the summer time period.
English English 40 English English 41 Select the time zone to set the watch to the local time in the desired area. While summer time is in effect, select the time zone 1 hour ahead.
English English 42 English English 43 SUMMER TIME AUTOMA TIC CHANGE FUNCTION As long as your watch is used in an environment where German standard radio signals (DCF 77) can be continuously received, .
English English 44 English English 45 QUESTIONS AND ANSWERS ABOUT THE TIME ZONE ADJUSTMENT FUNCTION Q: When the watch is moved to a different time zone, is the time automatically changed to the time of the area? A: The watch will not be automatically set to the local time if it is just moved to a place in a different time zone.
English English 46 English English 47 Select the time zone "TOKYO” which belongs to the Japan Standard T ime. The watch can receive the standard frequency of Japan. Leave the watch to receive radio signals to set it to the precise time. EXAMPLES OF TIME ZONE ADJUSTMENT IN AN AREA WITHIN THE RECEPTION RANGE ABROAD: ex.
English English 48 English English 49 Select the time zone "HONOLULU” which belongs to the standard time in Hawaii. Since Hawaii is outside the reception range, the watch cannot receive radio signals to set it to the precise time automatically .
English English 50 English English 51 C H I C A G O C A R A C A S L O N D O N C A I R O D U B A I D H A K A N E W Y O R K R I O D E J A N E I R O A Z O R E S U T C P A R I S B E R L I N M O S C O W K .
English English 52 English English 53 The watch moves depending on the quartz movement (loss/gain: ±15 seconds per month). After the manual time setting, if the watch successfully receives a time signal, the watch displays the time based on the time information it receives.
English English 54 English English 55 *When the date numerals are misaligned in the calendar window , the position of the date numerals can be adjusted. Refer to “PRELIMINAR Y POSITION CHECKING AND SETTING FOR THE CALEND AR” on pages 58-59. *Refer to “THE SCREW LOCK TYPE CROWN” on page 9.
English English 56 English English 57 * If the second hand moves at two-second or five-second intervals, the energy depletion forewarning function should be activ ated; thus, it is not a malfunction (refer to“CHECKING THE CHARGING ST A TUS BY THE MO VEMENT OF THE SECOND HAND” on page 12).
English English 58 English English 59 *It is recommended to stop the date at “30”or “31” before setting it to ”1” in order to check the alignment of the da te numer als i n the ca lendar windo w . Af ter sto pping t he date at “30” or “31 , ” ad va nce the date to ”1” by pressing Button B .
English English 60 English English 61 SPECIFICA TIONS 1 Frequency of crystal oscillator 32,768 Hz (Hz = Hertz ... Cycles per second) 2 Loss/gain (monthly rate) Less than ±15 seconds (Except during automatic time setting, when worn on the wrist within a normal temperature range between 5ºC and 35ºC.
English English 62 English English 63 Trouble Possible cause The energy depletion forewarning function is activated. If the second hand moves at two or five-second intervals while you wear the watch everyday, the watch is in a condition where it cannot get sufficient light, for instance, the watch is concealed under a long sleeve shir t.
English English 64 English English 65 Trouble Possible cause The watch was moved while it was receiving radio signals. The watch was left where radio signals were weak or where it could not receive radio signals. Transmitting stations may have stopped transmitting time signals for some reasons.
English English 66 English English 67 Trouble Possible cause The watch fails to receive radio signals properly as a result of the influence of various external sources.
English English 68 English English 69 *For the solution of troubles other than the above, consult the retailer from whom the watch was purchased. Trouble Possible cause The calendar is out of preliminary position.
An important point after buying a device Seiko 7B26 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Seiko 7B26 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Seiko 7B26 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Seiko 7B26 you will learn all the available features of the product, as well as information on its operation. The information that you get Seiko 7B26 will certainly help you make a decision on the purchase.
If you already are a holder of Seiko 7B26, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Seiko 7B26.
However, one of the most important roles played by the user manual is to help in solving problems with Seiko 7B26. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Seiko 7B26 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
