Features; Names And Functions Of Buttons; Mode Change And Functions Of Each Mode - Seiko T-4 Instructions Manual

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■TIME/CALENDAR FUNCTION
The calendar adjusts automatically for odd and even months including February of
leap years from 2018 to 2067. Summer time (daylight saving time [DST]) can be set.
■DUAL TIME DISPLAY FUNCTION
Home time and world time (time of a city selected from 44 cities in the world [including
GMT]) are shown on the same display. DST can be set for each of the cities.
■STOPWATCH AND RECALL FUNCTIONS
The stopwatch can measure up to 9 hours, 59 minutes, and 59 seconds 9. Up to 100
lap/split times can be stored in memory, which can be recalled after measurement.
■SOLAR CHARGE FUNCTION
The solar panel on the dial converts light into electrical energy to power the watch. Once fully
charged, the watch keeps running for approximately five months without being exposed to light.
■POWER SAVE AND SLEEP FUNCTIONS
If the watch is left untouched for a given period of time without being exposed to light and any
button operation, the Power Save or Sleep function is activated to save battery power.
■SOLAR MONITOR FUNCTION
The present level of solar power generation and the amount of power reserve are displayed in 11
levels respectively. They serve as guidelines for charging the watch.
■TURNING ON OF BACKLIGHT WITH TAP INPUT
When the watch is worn on the wrist, the backlight lights up for two seconds with a
single light tap on the watch face.
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Mode Change and Functions of Each Mode

• With each press of Button
, the mode changes in the following order.
〈Time/Calendar mode〉 〈Stopwatch mode〉
〈Solar Monitor mode〉
〈Alarm mode〉
・A single light tap on the watch face turns on the backlight for two seconds in any mode.
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Features

〈Recall mode〉
〈Timer mode〉

Names and Functions of Buttons

・The buttons are named
・Pressing Button
changes the modes.
・Markings inscribed on the case near each button indicate its main functions.
・The dots on the dial's edge indicate the current minutes in the Time/Calendar
mode, and the current level of solar power generation and the amount of power
reserve in the Solar Monitor mode.
Button
Button
Button
※ The markings on the case and the design of the watch may differ from model to model.
Time/Calendar mode
Stopwatch mode
Recall mode
Timer mode
Alarm mode
Solar Monitor mode
to
in clockwise order from the one in the bottom left.
Button
Solar panel
Mode mark
shown on top
Function
row
TIME
・ Setting and display of time, date and day of week;
and fully automatic calendar from 2018 to 2067
・ Selection of home city; DST setting;
contrast adjustment; power save setting;
and adjustment of sensitivity to tap input
・ World time display; and DST setting for each city
・ Turning on/off of hourly time signal/button
operation confirmation sound; and alarm test
CHRONO
・Stopwatch measurement (in 1/10 sec increment)
・Measures up to 9 hours, 59 minutes and 59 seconds 9.
・ Measurement of lap/split times and storage
thereof (up to 100 data) in channels.
RECALL
・ Recall and deletion of data measured
and stored in the Stopwatch mode
TIMER
・ Can be set to count down from 10 seconds
up to 9 hours, 59 minutes and 59 seconds.
・Countdown can be repeated up to 99 times.
ALARM
・3-channel daily alarm
・Alarm can be engaged/disengaged channel by channel.
SOLAR
・ Display of current level of solar power
generation and amount of power reserve
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Refer to:
P. 83
P. 93
P. 97
P. 101
P. 104
P. 107
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