Seiko S351 Manual - Page 2

˙FEATURES ɾThe SEIKO Cal. S351 features timer and stopwatch functions designed for broadcasting use. It is also equipped with a convenient function to calculate times entered in the sexagesimal form. 1. Addition and subtraction of times can be made simply by entering the hour, minute and second digits with the number entry and time (hour, minute and second) keys. ɹcan be used as the starting time in the timer and stopwatch functions. 2. The timer can be set for up to 99 hours, 59 minutes and 59 seconds in one second increments. Show the time elapsed from the end of the countdown with "ʵ" sign. While the timer is counting down, the time elapsed from the start of the countdown can also be displayed. 3. The stopwatch can measure up to 100 hours in one second increments. After 100 hours, it will start counting again from "0" repeatedly. Split time measurement is also possible. 4. Changeover between 12- and 24-hour indications is possible. 5. The watch will not give out any beeping sound such as sound for button operation confirmation, as it will disturb the broadcast. Mode selector Button A Hour, minute and second keys Number entry keys (for numerals from 0 to 9) Button B ˎ Display: ɹUpper row : Time display ɹLower row : Measurement/ ɹcalculation data display Clear/clear entry key Recall key [Call] Time display key Elapsed time display key Subtraction key Addition key Equal key ˙CHANGEOVER OF MODES ˎThe rear center of the watch is dented so that a name sticker or the like can be attached. ɾThe watch is provided with 4 modes. ɾThe mode can be changed by turning the mode selector. Positions of the mode marks for the mode selector y nt/ Time calculation mode: [CALC.] Time mode: [TIME] Mode selector Timer mode: [TIMER] Stopwatch mode: [STOP-W.] The timer and stopwatch continue counting even if the mode is changed to another. ˙HOW TO SET THE TIMEɹɹʮTIMEʯ Current time display ɾIn the time calculation, timer and stopwatch modes, the current time can be shown in the upper row of the display as required. With each press of the time display key, the current time appears and disappears alternately. ɾUse the number entry and time keys to set the desired time. ɾThe time you wish to set should be entered in the 24-hour indication. The entered time, however, can be displayed in the 12-hour indication. 1 Turn the mode selector to set the knob to "TIME". 2 With each press of button A , the display changes as follows: Even while the display changes, the watch continues operating normally. Ex.) Time display key ˠ
ˠ
A A ʪCurrent time displayedʫ
ʪSecond setting displayʫˎ ʪCurrent time not displayedʫ
ˢ
A ʪTime setting displayʫˎ ʪChangeover between 12ɹand 24-hour indicationsʫ ˣ
A Notes: ɾThe current time can be displayed in any modes other than the time. ɾOnce the current time is displayed in one mode, it will also be displayed in the other modes. ɾIn the time mode, the current time is always displayed and will not disappear even if the time display key is pressed. ˠ
ʪTime displayʫ Note: If the watch is left untouched with the second digits flashing or with "--:-- --" or ɹɹ

"24 hour" displayed, the display will automatically return to the TIME in 1 to 2 ɹɹ
minutes. 3 In the time setting display, set the desired time using the number entry and time keys. Ex.) To set 10:00 a.m.: [1] [0] [࣌ HOUR ] [0] [෼ (MINUTE)] [0] [ඵ (SECOND)] Or [1] [0] [0] [0] [0] [0]
ˎIn the first method, entering the minute and second digits is not necessary if they are "0".