Operation Guide 3135 3206
•The letters “UTC” is the abbreviation for “Universal Time Coordinated”, which is the
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.
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 |
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| • 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.
Barometer and Thermometer Precautions
•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.
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.
To calibrate the pressure sensor and the temperature sensor
1. Press B to enter the Barometer/
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| Temperature | 0.1°C (0.2°F) |
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| Barometric Pressure | 1 hPa (0.05 inHg) |
•“OFF” is displayed while the reference temperature value and barometric pressure value are zero (0).
•Pressing A and C at the same time returns to the factory calibration (OFF).
4.Press E 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. |
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| 2. | Hold down E until the city code starts to |
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| flash, which indicates the setting screen. |
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for information about how to scroll through setting screens.
4. | Press A to change the unit setting. | |
| • Each press of A changes the selected unit setting as shown below. | |
| Temperature | °C and °F |
| Altitude | m and ft |
| Barometric Pressure | hPa and inHg |
5. | After the settings are the way you want, press E to exit the setting screen. | |
Specifications
Accuracy at normal temperature: ±20 seconds a month
Timekeeping: Hour, minute, second, p.m. (P), month, day, day of the week Time format:
Calendar system: Full
Other: 2 display formats (Day of the Week, Barometric Pressure Graph); Home City code (can be assigned one of 33 city codes); Standard Time / Daylight Saving Time (summer time)
Digital Compass: 20 seconds continuous measurement; 16 directions; Angle value 0° to 359°; Four direction pointers; Calibration (bidirectional, northerly); Magnetic declination correction
Barometer:
Measurement and display range:
260 to 1,100 hPa (or 7.65 to 32.45 inHg) Display unit: 1 hPa (or 0.05 inHg)
Measurement timing: Daily from midnight, at two hour intervals (12 times per day); Every five seconds in the Barometer/Thermometer Mode
Other: Calibration; Manual measurement (button operation); Barometric pressure graph
Thermometer:
Measurement and display range:
Display unit: 0.1°C (or 0.2°F)
Measurement timing: Every five seconds in the Barometer/Thermometer Mode
Other: Calibration; Manual measurement (button operation)
Altimeter:
Measurement range:
Display range:
Display unit: 5 m (or 20 ft.)
Current Altitude Data:
Altitude Memory Data: 24 altitude records and one high altitude record
Altitude records: Pressing a button records the current altitude value, along with the date
High altitude record: Automatically records the highest altitude value measured in the Altimeter Mode to date, along with the date (month- day) of the reading.
Other: Reference altitude setting; Altitude graph
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