Seiko S802 Instructions Manual page 32

How to Reset Built-In IC
In case the watch shows an abnormal display, follow the procedure below to reset the built-
in IC. The normal display will resume.
① Press and hold Buttons Ⓐ, Ⓑ, Ⓒ and Ⓓ simultaneously. When the display becomes blank,
release all the buttons.
Button Ⓒ
Button Ⓑ
Button Ⓐ
② The built-in IC is reset.
When the normal display appears instead of the blank display, the Time/Calendar display of
the Time/Calendar mode is shown. It starts counting from 12:00 am on January 1, 2018.
To use the watch with an accurate time indication, be sure to set the time/calendar after
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resetting the built-in IC.
※After the built-in IC is reset, the home time display shows the Japan time (city code: TYO), and
the world time display shows GMT (Greenwich Mean Time).
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Button Ⓓ
Specifications
1. Frequency of crystal oscillator ···· 32,768 Hz (Hz = Hertz ... Cycles per second)
2. Loss/gain (monthly rate) · ·············· Less than 20 seconds at normal temperature range (between 5℃ and 35℃)
3. Operational temperature range ··· between −10℃ and +60℃ (Temperature range for display function between 0℃ and＋50℃)
4. Display system
Time/calendar mode · ················· Date, day of the week, A/P (in a 12-hour format), hour, minutes and seconds
Dual time display of home time and world time, world time mark and DST mark
(Alarm mark and hourly time signal mark)
Stopwatch mode · ························ M easures up to 9 hours, 59 minutes and 59 seconds 9 in 1/10-second increments.
Lap/split times, lap/split No., current time, and stopwatch mark
(Alarm mark and hourly time signal mark)
Recall mode ·································· T otal time, lap/split times, best lap time, average lap time, lap/split No., memory
channel No., and date of measurement (month and date)
(Alarm mark and hourly time signal mark)
Timer mode ··································· 9 hours, 59 minutes and 59 seconds can be set in second increments.
Number of repetitions, current time, timer mark, and graphic display of remaining
seconds for the last 59 seconds of each countdown
Alarm mode ··································· D esignated alarm time (hour and minutes), A/P (in a 12-hour format), "on/- -" (engagement/
disengagement) mark, alarm channel (AL1, AL2 and AL3), and current time
(Alarm mark and hourly time signal mark)
Solar Monitor mode · ··················· G eneration levels (11 levels), amount of power reserve (11 levels), and current time
(Alarm mark and hourly time signal mark)
5. Display medium · ································ Nematic Liquid Crystal, FEM (Field Effect Mode)
6. Power source ····································· Secondary battery, 1 piece
7. Duration of operation ······················ A pproximately 5 months (without being exposed to light after full charge, under
the conditions below: Illuminating light ... once/day for 2 seconds; alarm...10
seconds/day; and Power Save...6 hours/day)
8. Illuminating light································ EL (Electroluminescent light)
9. IC (Integrated Circuit) ····················· Oscillator, frequency divider and driving circuit, C-MOS-IC, 1 piece
※The specifications above are subject to change without prior notice for product improvements.
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