Instruction/ maintenance manual of the product 2891 Casio
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Operation Guide 2891 1 Y our watch runs on electrical power generated from light and stored by a chargeable battery . To ensure stable operation, make sure that the solar cell of the watch is exposed to light as much as possible.
Operation Guide 2891 2 • Each press of the D button causes the watch to beep and cycles through the Recall Mode, World Time Mode, Stopwatch Mode, T imer Mode, Alarm Mode, and Receive Mode as shown below.
Operation Guide 2891 3 The power supply of this watch uses a solar cell to generate electrical power , which is stored by a rechargeable battery . Using or storing the watch where it is not exposed to.
Operation Guide 2891 4 ❚ Positioning Y our Arm Correctly • Y ou should be wearing the watch on the outside of your wrist when using the full auto light switch. • Make sure that the left (9 o’clock) and right (3 o’clock) sides of the watch are within ± 15 degrees of being parallel with the ground.
Operation Guide 2891 5 What is a radio-controlled watch? Y our radio-controlled watch is designed to receive a time calibration signal that contains standard time data, and adjust its current time setting accordingly . Signal is received by built-in antenna.
Operation Guide 2891 6 1. In the Timekeeping Mode, press the D D D D D button six times to display the last reception date and time. 2. Hold down the E E E E E button for about two seconds until the current O n /OFF setting starts to flash on the display .
Operation Guide 2891 7 Y our watch uses a built-in magnetic sensor to detect and display direction. Y ou can use displayed data to determine the direction to an objective or your current bearing.
Operation Guide 2891 8 ❚ To perform 2-point calibration 1. In the Timekeeping Mode, press the A A A A A button to enter the Compass Mode. 2. Hold down the E E E E E button for about two seconds until “–1–” appears on the display • This is the 2-point calibration screen.
Operation Guide 2891 9 Digital Compass Reference ❚ What is a digital compass? The Earth is like a giant magnet with a north pole and a south pole. The magnetism of the Earth is called “terrestrial magnetism”. The magnetic sensor of your watch is a magnetic compass that detects terrestrial magnetism to determine direction.
Operation Guide 2891 10 Interpreting the Pressure T endency Graph Example Pressure T endency Graphs The following examples show how you can predict upcoming weather conditions based on the pressure tendency graph.
Operation Guide 2891 11 Calibrating the T emperature Sensor The temperature sensor is calibrated at the factory , and further calibration normally is not required. Perform the following operation only when you find that a temperature reading taken with another accurate instrument is very different from the reading produced by your watch.
Operation Guide 2891 12 The watch uses International Standard Atmosphere (ISA) values that are defined by the International Civil A viation Organization (ICAO) to convert readings taken by its built-in pressure sensor to relative altitude values.
Operation Guide 2891 13 Using the Altitude Alarm The altitude alarm sounds for five seconds when the measured altitude value is in excess of a preset target altitude.
Operation Guide 2891 14 Cumulative Data In the Recall Mode, each press of the B button toggles the display between the altitude record screen and the cumulative data screen. Altitude Record Screen Cumulative Data Screen When the cumulative data screen is displayed, use the C (forward) and A (back) buttons to scroll through the cumulative data.
Operation Guide 2891 15 Altitude Reading Precautions Readings that are close to the absolute altitude above sea level are not possible under the following conditions.
Operation Guide 2891 16 Y ou can set the start time of the timer in units of one minute in the range of 1 to 60 minutes. The watch beeps for 5 seconds when the end of the countdown is reached. T urning on the watch’s auto repeat timer feature causes the countdown to restart from the start time whenever the end of the countdown is reached.
Operation Guide 2891 17 4. Press the D D D D D button to move the flashing to the minute digits. • As with the hour setting, use the C (+) and A (–) buttons to change the minute setting. 5. When the setting is the way you want, press the E E E E E button to exit the setting screen and return to the timer mode screen.
Operation Guide 2891 18 4. Press the C C C C C button to cycle through the summer time settings until the one you want is displayed. • AT (Auto) This setting enables the auto summer time setting, which turns summer time on or off in accordance with the received time calibration signal.
An important point after buying a device Casio 2891 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Casio 2891 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Casio 2891 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Casio 2891 you will learn all the available features of the product, as well as information on its operation. The information that you get Casio 2891 will certainly help you make a decision on the purchase.
If you already are a holder of Casio 2891, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Casio 2891.
However, one of the most important roles played by the user manual is to help in solving problems with Casio 2891. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Casio 2891 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
