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Operation Guide 5612 5613
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• Static electricity or magnetic force can interfere with proper operation of the auto
light switch. If illumination does not turn on, try moving the watch back to the
starting position (parallel with the ground) and then tilt it back toward you again. If
this does not work, drop your arm all the way down so it hangs at your side, and
then bring it back up again.
• Under certain conditions, illumination may not turn on until about one second after
you turn the face of the watch towards you. This does not necessarily indicate
malfunction of the auto light switch.
• You may notice a very faint clicking sound coming from the watch when it is shaken
back and forth. This sound is caused by mechanical operation of the auto light
switch, and does not indicate a problem with the watch.
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Illumination Precautions
• Illumination may be difficult to see when viewed under direct sunlight.
• Illumination turns off automatically whenever an alarm sounds.
• Frequent use of illumination runs down the battery.
Auto light switch precautions
• Avoid wearing the watch on the inside of your wrist. Doing so causes the auto light
switch to operate when it is not needed, which shortens battery life. If you want to
wear the watch on the inside of your wrist, turn off the auto light switch feature.
• Illumination may not turn on if the face of the watch is
more than 15 degrees above or below parallel. Make
sure that the back of your hand is parallel to the ground.
• Illumination turns off in about 1.5 seconds or 3 seconds,
even if you keep the watch pointed towards your face.
More than 15 degrees
too high
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Initial Screens
When you enter the Stopwatch Mode, World Time Mode or Alarm Mode, the data you
were viewing when you last exited the mode will appear first.
Timekeeping
• Resetting the seconds to
00
while the current count is in the range of 30 to 59
causes the minutes to be increased by 1. In the range of 00 to 29, the seconds are
reset to
00
without changing the minutes.
• The year can be set in the range of 2000 to 2099.
• The watch’s built-in full automatic calendar makes allowances for different month
lengths and leap years. Once you set the date, there should be no reason to
change it except when battery has replaced.
• The current time for all city codes in the Timekeeping Mode and World Time Mode
is calculated in accordance with the Coordinated Universal Time (UTC) for each
city, based on your Home City time setting.
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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.
Auto Return Features
• If you leave the watch with a flashing setting on any digital display for two or three
minutes without performing any operation, the watch will exit the setting mode
automatically.
• The watch will return to the Timekeeping Mode automatically if you do not perform
any operation for two or three minutes in the Alarm Mode.
High-Speed Movement
• The
D
and
B
buttons are used to change setting in various setting modes. In
most cases, holding down these buttons will start high-speed movement.
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3. Check the positions of the hour and minute hands.
• The hands are in the correct home positions if they
are pointed at 12 o’clock. If they aren’t, use
D
(clockwise) and
B
(counterclockwise) to adjust their
positions.
4. When everything is the way you want, press
A
to
return to regular timekeeping.
• This will cause the hour and minute hands to move to
the current Timekeeping Mode time and the speed
hand to move to the 0 position.
• Pressing
C
here will return to the setting at the
beginning of step 2.
Correct hour and minute
hand positions
Hour and minute hands
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Hand Home Position Correction
The speed, hour, and minute hands of the watch can be thrown off by exposure to
strong magnetism or impact. The watch is designed to correct speed, hour and minute
hand manually.
To adjust home positions
1. In the Timekeeping Mode, hold down
D
for at least
three seconds until
Sub
flashes in the upper digital
display.
• This is the home position adjustment mode.
2. Check the position of the speed hand.
• The speed hand is in the correct home position if it is
pointed at 50 (12 o’clock). If it isn’t, use
D
to move
the hand clockwise until it is.
• After confirming that the speed hand is in its correct
home position, press
C
.
Speed hand
Correct speed hand
position
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To turn the auto light switch on and off
In the Timekeeping Mode, hold down
B
for at least three seconds to toggle the auto
light switch on (auto light switch on indicator displayed) and off (auto light switch on
indicator not displayed).
• The auto light switch on indicator remains in all modes while the auto light switch is
turned on.
• In order to protect against running down the battery, the auto light switch will turn
off automatically approximately six hours after you turn it on. Repeat the above
procedure to turn the auto light switch back on if you want.
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Warning!
•
Always make sure you are in a safe place whenever you are reading the watch
using the auto light switch. Be especially careful when running or engaged in
any other activity that can result in accident or injury. Also take care that
sudden illumination by the auto light switch does not startle or distract others
around you.
•
When you are wearing the watch, make sure that its auto light switch is turned
off before riding a bicycle or operating a motorcycle or any other motor
vehicle. Sudden and unintended operation of the auto light switch can create
a distraction, which can result in a traffic accident and serious personal injury.
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About the Auto Light Switch
Turning on the auto light switch causes illumination to turn on, whenever you position
your wrist as described below in any mode.
Moving the watch to a position that is parallel to the ground and then tilting it towards
you more than 40 degrees causes illumination to turn on.
• Wear the watch on the outside of your wrist.
Parallel to
ground
More than
40°
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• You can use the procedure below to select either 1.5 seconds or 3 seconds as the
illumination duration. When you press
B
, 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
display contents start to flash. This is the setting mode.
2. Press
C
nine times to display the current illumination
duration
LT1
or
LT3
.
3. Press
D
to toggle the setting between
LT1
(1.5
seconds) and
LT3
(three seconds).
4. Press
A
to exit the setting mode.
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