Operation Guide 3148
To turn Power Saving on and off
Barometer and Thermometer Precautions
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Power Saving on indicator
1.In the Timekeeping Mode, hold down A until the city code starts to flash, which indicates the setting screen.
2.Press D nine times until the Power Saving on/off screen appears.
3.Press E to toggle Power Saving on (ON) and off (OFF).
4.Press A to exit the setting screen.
•The Power Saving on indicator (PS) is on the display in all modes while Power Saving is turned on.
•The pressure sensor built into this watch measures changes in air pressure, which you can then apply to your own weather predictions. It is not intended for use as a precision instrument in official weather prediction or reporting applications.
•Sudden temperature changes can affect pressure sensor readings.
•Temperature measurements are affected by your body temperature (while you are wearing the watch), direct sunlight, and moisture. To achieve a more accurate temperature measurement, remove the watch from your wrist, place it in a well ventilated location out of direct sunlight, and wipe all moisture from the case. It takes approximately 20 to 30 minutes for the case of the watch to reach the actual surrounding temperature.
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. |
• With the |
times in the range of noon to 11:59 p.m. and no indicator appears for times |
in the range of midnight to 11:59 a.m. |
• With the |
without any indicator. |
• The |
Mode is applied in all modes. |
• The watch’s |
month lengths and leap years. Once you set the date, there should be no |
reason to change it except when battery power drops to Level 5. |
• 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. |
• The UTC offset is a value that indicates the time difference between a |
reference point in Greenwich, England and the time zone where a city is |
Pressure Sensor and Temperature Sensor Calibration
The pressure sensor and temperature sensor built into the watch are calibrated at the factory and normally require no further adjustment. If you notice serious errors in the pressure readings and temperature readings produced by the watch, you can calibrate the sensor to correct the errors.
Important!
•Incorrectly calibrating the barometric pressure sensor can result in incorrect readings. Before performing the calibration procedure, compare the readings produced by the watch with those of another reliable and accurate barometer.
•Incorrectly calibrating the temperature sensor can result in incorrect readings. Carefully read the following before doing anything.
Compare the readings produced by the watch with those of another reliable and accurate thermometer.
If adjustment is required, remove the watch from your wrist and wait for 20 or 30 minutes to give the temperature of the watch time to stabilize before adjusting.
To calibrate the pressure sensor and the temperature sensor
located. |
• The letters “UTC” is the abbreviation for “Coordinated Universal Time”, |
which is the |
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. |
Illumination Precautions
•The
•Illumination may be hard to see when viewed under direct sunlight.
•Illumination turns off automatically whenever an alarm sounds.
•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.
•Frequent use of illumination runs down the battery.
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1.Press D to enter the Barometer/ Thermometer Mode.
2.In the Barometer/Thermometer Mode, hold down A for about two seconds until either OFF or the current temperature calibration value starts to flash. This is the setting screen.
•If you want to calibrate the barometric pressure sensor, press D to move the flashing to the middle display area. This is the pressure sensor calibration screen.
Auto light switch precautions
•The auto light switch is turned off automatically whenever battery power is at Level 4.
•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.
More than 15 degrees | • Illumination may not turn on if the face of the |
too high | 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 one second, 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.
•Under certain conditions, illumination does not turn on until about one second after you turn the face of the watch towards you. This does not necessarily indicate malfunction.
•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.
3. Use E (+) and B
Temperature | 0.1°C (0.2°F) |
Barometric Pressure | 1 hPa (0.05 inHg) |
•Pressing E and B at the same time returns to the factory calibration (OFF).
4.Press A to return to the Barometer/Thermometer Mode screen.
To select the temperature, barometric pressure, and altitude units
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| 1. | Enter the Timekeeping Mode. |
lll | 2. | Hold down A until the city code starts to | |
| flash, which indicates the setting screen. | ||
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l | l | 3. | Use D to select the setting screen for the unit |
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you want to change.
• See step 3 under “To set the time and date” for information about how to scroll through setting screens.
4. | Press E to change the unit setting. | |
| • Each press of E changes the selected unit setting as shown below. | |
| Temperature | °C and °F |
| Barometric Pressure | hPa and inHg |
| Altitude | m and ft |
5. | After the settings are the way you want, press A to exit the setting screen. | |
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