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Button Operation Tone; Troubleshooting - Casio 3173 Operation Manual

Casio watch operation guide
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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
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
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 while confi guring sensor measurement mode
settings, and during bearing sensor calibration.
To change the illumination duration
1. In the Timekeeping Mode, hold down
city code setting screen.
Before the city code starts to fl ash, the message SET Hold will appear on the display. Keep
depressed until SET Hold disappears and the city code starts to fl ash.
2. Keep pressing
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" for information about how to
scroll through setting screens.
3. Press
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
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 sunrise or sunset time is being calculated
To turn the auto light switch on and off
In the Timekeeping Mode, hold down
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.
Auto light switch on
Auto light switch on
indicator
indicator
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.
Operation Guide 3173 3246
until the currently selected city code starts to fl ash. This is the
twice to exit the setting screen.
Wear the watch on the
Wear the watch on the
outside of your wrist
outside of your wrist
for about three seconds to toggle

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
, the display
Module 3173
Module 3173
Mute indicator
Mute indicator
Module 3246
Module 3246

Troubleshooting

Time Setting
■ The current time setting is off by one hour.
You may need to change your Home City's standard time/daylight saving time (DST) setting. Use the
procedure under "To change the current time and date settings" to change the standard time/daylight
More than
More than
saving time (DST) setting.
40°
40°
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
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.
Even if battery power is at Level 1 (H) or Level 2 (M), the Digital Compass Mode, Barometer/
Thermometer Mode, or Altimeter Mode sensor may be disabled if there is not enough voltage available
to power it suffi ciently. In this case, ERR will appear on the display. This does not indicate malfunction,
and sensor operation should resume once battery voltage returns to its normal level.
If ERR keeps appearing during measurement, it could mean there is a problem with the applicable
sensor.
■ ERR appears on the display after I perform bidirectional calibration or northerly calibration.
If - - - appears and then changes to ERR (error) on the calibration screen, it means that there is something
wrong with the sensor.
If ERR disappears after about one second, try performing the calibration again.
If ERR keeps appearing, contact your original dealer or nearest authorized CASIO distributor to have
the watch checked.
■ ERR appears on the display after I perform northerly calibration.
The ERR message indicates there may be some problem with the sensor. The ERR message also may
be due to movement of the watch while the calibration procedure is being performed. Try performing
calibration again, taking care to ensure that the watch is not moved.
If this does not solve the problem, the problem may be due to some nearby source of terrestrial
magnetism. Try performing the calibration procedure again from the beginning.
Whenever you have a sensor malfunction, take the watch to your original dealer or nearest authorized
CASIO distributor as soon as possible.
■ What causes incorrect direction readings?
Incorrect bidirectional calibration. Perform bidirectional calibration.
Nearby source of strong magnetism, such as a household appliance, a large steel bridge, a steel
beam, overhead wires, etc., or an attempt to perform direction measurement on a train, boat, etc. Move
away from large metal objects and try again. Note that digital compass operation cannot be performed
inside a train, boat, etc.
■ What causes different direction readings to produce different results at the same location?
Magnetism generated by nearby high-tension wires is interfering with detection of terrestrial magnetism.
Move away from the high-tension wires and try again.
■ Why am I having problems taking direction readings indoors?
A TV, personal computer, speakers, or some other object is interfering with terrestrial magnetism
readings. Move away from the object causing the interference or take the direction reading outdoors.
Indoor direction readings are particularly diffi cult inside ferro-concrete structures. Remember that you will
not be able to take direction readings inside of trains, airplanes, etc.
■ The barometric pressure differential pointer does not appear on the display when I enter the
Barometer/Thermometer Mode.
This could indicate sensor error. Try pressing
The barometric pressure differential pointer is not displayed when the displayed current barometric
value is outside of the allowable measurement range (260 to 1,100 hPa).
World Time Mode
■ The time for my World Time City is off in the World Time Mode.
This could be due to incorrect switching between standard time and daylight saving time. See "To specify
standard time or daylight saving time (DST) for a city" for more information.
Charging
■ The watch does not resume operation after I expose it to light.
This can happen after the power level drops to Level 5. Continue exposing the watch to light until the
battery power indicator shows "H" or "M".
1. In the Timekeeping Mode, hold down
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
depressed until SET Hold
disappears and the city code starts to fl ash.
2. Keep pressing
until MUTE or KEY
corner of the display.
See step 3 under "To change the current time and date settings"
for information about how to scroll through setting screens.
3. Press
to toggle the button operation tone on (KEY ) and off (MUTE).
4. After the settings are the way you want, press
setting screen.
Note
The mute indicator is displayed in all modes when the button
operation tone is turned off.
Barometric
Pressure/Temperature
Measurement
again.
until the currently selected
is displayed in the upper left
twice to exit the
Altitude
Measurement

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