User manual CASIO DQD-105

[. . . ] Because of this, such factors as changes in the reflectivity of the ionosphere, as well as movement of the ionosphere to higher altitudes due to seasonal atmospheric changes or the time of day may change the reception range of the signal and make reception temporarily impossible. 500 km · Reception is best when the back of the clock is facing toward Mainflingen. Note, however, that moving the clock while the time calibration signal receive operation is taking place will make stable reception impossible. · Think of the clock as acting like a TV or radio when it is receiving the calibration signal. When receiving indoors, move to a location as near as possible to a window. [. . . ] Press + to increase the flashing digits. USING THE CLOCK Any of the following procedures can be used to set current date and time. · Auto receive of the time calibration signal · Manual receive of the time calibration signal · Manual setting without using the time calibration signal Auto Receive · The clock receives the time calibration signal eight times each day (2:00, 5:00, 8:00, 11:00, 14:00, 17:00, 20:00, 23:00). · A signal receive operation takes from two to ten minutes under good signal conditions. Antenna Icon Receive in progress: Icon flashes Receive failed: Icon not displayed Receive successful: Icon displayed · Holding down + or ­ changes the flashing digits at high speed. The day of the week is set automatically in accordance with the date setting. · Pressing + or ­ while the Time Setting Screen is on the display causes the seconds count to be reset to 00. · Each press of + or ­ while the 12-hour/24-hour Timekeeping Screen is on the display toggles between 12-hour and 24-hour timekeeping. After making the settings you want, use the SET button (5) to display the Normal Timekeeping Screen. · The clock automatically returns to the Normal Timekeeping Screen if you leave a setting screen on the display for about three minutes without performing any operation. Wave OK Indicator Receive in progress: OK not displayed All receives over the past 24 hours failed: OK not displayed At least one successful receive over the past 24 hours: OK displayed 2 Operation Guide DQD-105 USING THE ALARM The alarm sounds and the light turns on when the alarm time you set is reached. You can also use the Alarm Mode selector (7) to select the snooze alarm feature. TO TURN AUTO LIGHT ON AND OFF 1. While the Normal Timekeeping Screen is displayed, press the AUTO LIGHT button (3). Within about five seconds, press the Alarm Time Set buttons (4) to toggle Auto Light on or off. After the setting is the way you want, simply do not perform any key operation for about five seconds. * A NIGHT LIGHT indicator ( Setting the Alarm Time Use the Alarm Time Set buttons (4) to set the alarm time. Pressing the Alarm Time Set buttons (4) causes the alarm time to appear in place of the time on the display. Press to change the alarm time setting (+). 34 · Holding down + or ­ changes the digits at high speed. Turning the Alarm On and Off Use the Alarm Mode selector (7) on the side of the clock to turn the alarm on and off, and to select the snooze feature. Alarm Mode selector SNOOZE Description The alarm sounds at the preset time for one minute, and seven more times every five minutes thereafter. Even if you stop the alarm sound by pressing the SNOOZE/LIGHT button (1), the alarm operation is performed again five minutes later. · The indicator flashes on the display to indicate that the snooze feature is activated. Normal Timekeeping Screen ( ( ) ) AUTO LIGHT button (3) Five seconds NIGHT LIGHT indicator ( ) ALM ON The alarm sounds at the preset time for one minute. Auto Light On ALM OFF · The light also turns on for the first five seconds that the alarm sounds. · The alarm sound changes over four levels as it sounds. Alarm Time Set buttons (4) Stopping the Alarm · When alarm is sounding, press the SNOOZE/LIGHT button (1) to stop it. [. . . ] Make sure that their positive (+) and negative (­) ends face in the correct directions. If you load batteries incorrectly, they can burst and damage the clock. Be sure to press the RESET button (6) after replacing batteries. Battery precautions · Keep batteries out of the reach of small children. If a battery is swallowed accidentally, contact your physician immediately. [. . . ]