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Operation Guide 3290
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City Code Table
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Alarms: 5 daily alarms (4 one-time alarms: 1 snooze alarm); Hourly Time Signal
Illumination: EL Backlight (electro-luminescent panel); Selectable illumination
duration
Other: Button operation tone on/off
Battery: One lithium battery (Type: CR1616)
Approximately 3 years on type CR1616 (assuming alarm operation 10 seconds per
day, and one illumination operation 1.5 seconds per day)
The above battery life is shortened by illumination as shown below.
x 5 illumination operations (10 seconds) per day: approximately 2.5 years
x 10 illumination operations (20 seconds) per day: approximately 1.7 years
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Specifi cations
Accuracy at normal temperature: ±30 seconds a month
Timekeeping: Hour, minutes, seconds, a.m. (A)/p.m. (P), day, day of the week
Time format: 12-hour and 24-hour
Calendar system: Full Auto-calendar pre-programmed from the year 2000 to 2099
Other: Home City code (can be assigned one of 48 city codes); Daylight Saving
Time (summer time)/Standard Time
World Time: 48 cities (29 time zones)
Other: Daylight Saving Time/Standard Time
Stopwatch
Measuring unit: 1/100 second
Measuring capacity: 59' 59.99''
Measuring modes: Elapsed time, split time, two fi nishes
Countdown Timer
Measuring unit: 1 second
Input range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
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Initial Screens
When you enter the World Time or Alarm Mode, the data you were viewing when you
last exited the mode appears fi rst.
World Time
x The seconds count of the World Time is synchronized with the seconds count of the
Timekeeping Mode.
x All World Time Mode times are calculated from the current Home City time in the
Timekeeping Mode using UTC time differential values.
x The UTC differential is a value that indicates the time difference between a
reference point in Greenwich, England and the time zone where a city is located.
x The letters “UTC” is the abbreviation for “Coordinated Universal Time”, which is the
world-wide scientifi c standard of timekeeping. It is based upon carefully maintained
atomic (cesium) clocks that keep time accurately to within microseconds. Leap
seconds are added or subtracted as necessary to keep UTC in sync with the Earth’s
rotation.
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x Holding down C to turn the button operation tone on or off also causes the watch’s
current mode to change.
x The mute indicator is displayed in all modes when the button operation tone is
turned off.
Auto Return Features
x If you leave the watch in the Alarm Mode for two or three minutes without performing
any operation, it automatically changes to the Timekeeping Mode.
x If you leave a screen with fl ashing digits or a cursor on the display for two or three
minutes without performing any operation, the watch automatically saves any
settings you have made up to that point and exits the setting screen.
Scrolling
The B and D buttons are used in various modes and setting screens to scroll
through data on the display. In most cases, holding down these buttons during a scroll
operation scrolls at high speed.
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Reference
This section contains more detailed and technical information about watch operation.
It also contains important precautions and notes about the various features and
functions of this watch.
Button Operation Tone
The button operation tone sounds any time you press one
of the watch’s buttons. You can turn the button operation
tone on or off as desired.
x Even if you turn off the button operation tone, the alarm,
Hourly Time Signal, and Countdown Timer Mode alarm
all operate normally.
To turn the button operation tone on and off
In any mode (except when a setting screen is on the
display), hold down C to toggle the button operation tone
on (
not displayed) and off ( displayed).
Mute indicator
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To illuminate the display
In any mode (except when a setting screen is on the display), press B to turn on
illumination.
x You can use the procedure below to select either 1.5 seconds or 3 seconds as the
illumination duration. When you press B, the illumination will remain on for about
1.5 seconds or 3 seconds, depending on the current illumination duration setting.
To specify the illumination duration
1. In the Timekeeping Mode, hold down A until the
seconds start to fl ash, which indicates the setting
screen.
2. While the seconds are fl ashing, press B to toggle the
illumination duration between 1.5 seconds (
) and 3
seconds (
).
3. Press A to exit the setting screen.
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Illumination
This watch has an EL (electro-luminescent) panel that causes the entire display to
glow for easy reading in the dark.
Illumination Precautions
x The electro-luminescent panel that provides illumination
loses power after very long use.
x Illumination may be hard to see when viewed under
direct sunlight.
x The watch may emit an audible sound whenever the
display is illuminated. This is due to vibration of the
EL panel used for illumination, and does not indicate
malfunction.
x Illumination automatically turns off whenever an alarm
sounds.
x Frequent use of illumination runs down the battery.
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To turn the Hourly Time Signal on and off
1. In the Alarm Mode, use D to select the Hourly Time
Signal (
).
2. Press A to toggle it on (
displayed) and off
(
displayed).
x The Hourly Time Signal on indicator is shown on the
display in all modes while the Hourly Time Signal is
turned on.
Hourly time signal on
indicator
On/Off status
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To turn an alarm on and off
1. In the Alarm Mode, use D to select an alarm.
2. Press A to toggle it on (
displayed) and off
(
displayed).
x Turning on a one-time alarm (
through )
displays the alarm on indicator on its Alarm Mode screen.
x Turning on the snooze alarm (
) displays the alarm
on indicator and snooze alarm indicator on the Alarm
Mode snooze alarm screen.
x In all modes, the alarm on indicator is shown for any
alarm that is currently turned on.
x The alarm on indicator fl ashes while the alarm is
sounding.
x The snooze alarm indicator fl ashes during the 5-minute
intervals between alarms.
Alarm on indicator
Snooze alarm indicator
On/Off status
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