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Operation Guide 3172
To set an alarm time
1. In the Alarm Mode, use
A
and
C
to scroll through the alarm screens
until the one whose time you want to set is displayed.
AL1 AL2 AL3
SIG AL5
AL4
2. Hold down
E
until the alarm time starts to fl ash. This is the setting
screen.
• Before the alarm time starts to fl ash, the message SET Hold
will appear on the display. Keep
E
depressed until SET Hold
disappears and the alarm time starts to fl ash.
3. Press
D
to move the fl ashing between the hour and minute settings.
4. While a setting is fl ashing, use
A
(+) and
C
(–) to change it.
• When setting the alarm time using the 12-hour format, take care to set the time correctly as a.m. (no
indicator) or p.m. (P indicator).
5. Press
E
to exit the setting screen.
To test the alarm
In the Alarm Mode, hold down
A
to sound the alarm.
To turn an alarm and the Hourly Time Signal on and off
1. In the Alarm Mode, use
A
and
C
to select an alarm or the Hourly Time Signal.
2. When the alarm or the Hourly Time Signal you want is selected, press
B
to turn it on and off.
•
The alarm on indicator and the Hourly Time Signal on indicator are
shown on the display in all modes while these functions are turned on.
• If any alarm is on, the alarm on indicator is shown on the display in
all modes.
To stop the alarm
Press any button.
Illumination
The display of the watch is illuminated for easy reading in the dark.
The watch’s auto light switch turns on illumination automatically when
you angle the watch towards your face.
• The auto light switch must be turned on for it to operate.
To turn on illumination manually
Press
L
in any mode to illuminate the display.
• You can use the procedure below to select either one second or three
seconds as the illumination duration. When you press
L
, the display
will remain illuminated for about one second or three seconds,
depending on the current illumination duration setting.
• The above operation turns on illumination regardless of the current
auto light switch setting.
• Illumination is disabled during time calibration signal reception, while
confi guring sensor measurement mode settings, and during bearing
sensor calibration.
To change the illumination duration
1. In the Timekeeping Mode, hold down
E
until the currently selected city code starts to fl ash. This is the
city code setting screen.
• Before the city code starts to fl ash, the message SET Hold will appear on the display. Keep
E
depressed until SET Hold disappears and the city code starts to fl ash.
2. Keep pressing
D
until
LT1
or
LT3
is displayed in the upper left corner of the display.
• See step 3 under “To change the current time and date settings manually” for information about
how to scroll through setting screens.
3. Press
A
to toggle the illumination duration between three seconds (
LT3
displayed) and one second
(
LT1
displayed).
4. After the settings are the way you want, press
E
twice to exit the setting screen.
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.
Warning!
•
Always make sure you are in a safe place whenever you are
reading the display of 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
on 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 traffi c accident
and serious personal injury.
Note
• This watch features a “Full Auto EL Light”, so the auto light switch operates only when available light is
below a certain level. It does not illuminate the display under bright light.
• The auto light switch is always disabled, regardless of its on/off setting, when any one of the following
conditions exists.
While an alarm is sounding
During sensor measurement
While a bearing sensor calibration operation is being performed in the Digital Compass Mode
While a receive operation is in progress in the Receive Mode
While a sunrise or sunset time is being calculated
Alarm ON/OFF
indicator
Alarm ON/OFF
indicator
Hourly time signal
on indicator
Alarm on indicator
Hourly time signal
on indicator
Alarm on indicator
More than
40°
Wear the watch on the
outside of your wrist
More than
40°
Wear the watch on the
outside of your wrist
To turn the auto light switch on and off
In the Timekeeping Mode, hold down
L
for about three seconds to toggle
the auto light switch on (
A.EL
displayed) and off (
A
.
EL
not displayed).
• The auto light switch on indicator (
A
.
EL
) is on the display in all modes
while the auto light switch is turned on.
• The auto light switch turns off automatically whenever battery power
drops to Level 4.
Illumination Precautions
• Frequent display illumination can run down the battery quickly and require charging.
The following guidelines give an idea of the charging time required to recover from a single illumination
operation.
Approximately fi ve minutes exposure to bright sunlight coming in through a window
Approximately 50 minutes exposure to indoor fl uorescent lighting
• The electro-luminescent panel that provides illumination loses power after very long use.
• Illumination may be hard 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
• Wearing the watch on the inside of your wrist, movement of your arm, or vibration of your arm can
cause frequent activation of the auto light switch and illumination of the display. To avoid running down
the battery, turn off the auto light switch whenever engaging in activities that might cause frequent
illumination of the display.
• Note that wearing the watch under your sleeve while the auto light switch is turned on can cause
frequent illumination of the display and can run down the battery.
• 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 after the preset illumination duration, even if you keep the
watch pointed towards your face.
• 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 towards your face
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.
• 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.
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.
• 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
1. In the Timekeeping Mode, hold down
E
until the currently selected
city code starts to fl ash. This is the city code setting screen.
• Before the city code starts to fl ash, the message SET Hold
will appear on the display. Keep
E
depressed until SET Hold
disappears and the city code starts to fl ash.
2. Keep pressing
D
until
MUTE
or
KEY
is displayed in the upper left
corner of the display.
• See step 3 under “To change the current time and date settings
manually” for information about how to scroll through setting
screens.
3.
Press
A
to toggle the button operation tone on (
KEY
) and off (
MUTE
).
4. After the settings are the way you want, press
E
twice to exit the
setting screen.
Note
• The mute indicator is displayed in all modes when the button
operation tone is turned off.
Troubleshooting
Time Setting
See “Radio Controlled Atomic Timekeeping” for information about adjusting the time setting according to a
time calibration signal.
■
The current time setting is off by hours.
Your Home City setting may be wrong. Check your Home City setting and correct it, if necessary.
■
The current time setting is off by one hour.
If you are using the watch in an area where time calibration signal reception is possible, see “To confi gure
Home City settings”.
If you are using in the watch in an area where time calibration signal reception is not possible, you may
need to change your Home City’s standard time/daylight saving time (DST) setting manually. Use the
procedure under “To change the current time and date settings manually” to change the standard time/
daylight saving time (DST) setting.
Sensor modes
■
I can’t change the temperature, barometric pressure, and altitude units.
When
TYO
(Tokyo) is selected as the Home City, the altitude unit is set automatically to meters (m), the
barometric pressure unit to hectopascals (hPa), and the temperature unit to Celsius (°C). These settings
cannot be changed.
■
“ERR” appears on the display while I am using a sensor .
Subjecting the watch to strong impact can cause sensor malfunction or improper contact of internal
circuitry. When this happens,
ERR
(error) will appear on the display and sensor operations will be disabled.
Digital
Compass
Measurement
Barometric
Pressure/Temperature
Measurement
Altitude
Measurement
•
If
ERR
appears while a measurement operation is being performed in a sensor mode, restart the measurement.
If
ERR
appears on the display again, it can mean there is something wrong with the sensor.
Auto light switch on
indicator
Auto light switch on
indicator
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Mute indicatorMute indicator