User manual UNI-T DT 830

[. . . ] Further details and technical information can be found in the "Reference" section. · The bottom dial is a disk that rotates to indicate various types of information, depending on the mode. - During regular timekeeping, the thick line of the disk 30 indicates the current second. In other modes, the thick line on the disk will indicate the day of the week, the alarm ON/OFF setting, and the DST ON/OFF setting. [. . . ] · You can return to the time setting mode after configuring the day setting by pressing C. Pressing C will cause the watch to beep twice. 3 30 0 Month Day 12. After all of the settings are the way you want and the day display is no longer changing, press A. This will cause the bottom dial hand to start moving again and the other hands to start moving from their current positions. · You can press A at any time during the above procedure to return to regular timekeeping. · The watch's built-in full automatic calendar makes allowances for different month lengths and leap years. Once you set the date, there should be no reason to change it except after you have the watch's battery replaced. Stopwatch Indicator hand Stopwatch hours (24-hour format) 30 Stopwatch minutes Stopwatch 1/20 seconds The stopwatch lets you measure elapsed time. · When you enter the Stopwatch Mode, the bottom dial hand moves to 12 o'clock and the right dial hands move to 12 o'clock. · You can start elapsed time measurement with the stopwatch while the watch is in the Stopwatch Mode or the Timekeeping Mode. · The display range of the stopwatch is 23 hours, 59 minutes, 59. 95 seconds. · The stopwatch continues to run, restarting from zero after it reaches its limit, until you stop it. · Each press of either button changes the setting by one minute. After setting the alarm time, press A to exit the setting mode. · Setting the alarm time causes the alarm to turn on automatically. Alarm Operation The alarm tone sounds at the alarm time for 10 seconds, regardless of the mode the watch is in. · Alarm operations are performed in accordance with the Timekeeping Mode time. · Pressing any button stops the alarm tone operation. To toggle an alarm on and off In the Alarm Mode, press A to toggle the alarm setting indicated by the bottom dial hand ON or OFF. Adjusting the Home Positions If you notice that the watch hands are not indicating 12 o'clock, ON/OFF settings, or other indicator settings correctly, you can adjust the "home positions" of the hands manually to correct them. World Time Indicator hand City code 30 Bottom dial World Time (24-hour format) The World Time Mode shows you the current time in 29 cities (29 time zones) around the world. A simple operation swaps your Home City with the currently selected World Time City. · When you enter the World Time Mode, the indicator hand will move automatically to the city code that is currently selected as the World Time City code. At the same time, the right dial hands will move to the current time in that city. · If the current time shown for a city is wrong, check your Home City settings and make the necessary changes. · All of the operations in this section are performed in the World Time Mode. To adjust the home positions 1. In the Timekeeping Mode, as you hold down A, hold Indicator hand down C for about three seconds until the watch beeps. [. . . ] seconds. Hour hand Minute hand 30 Left dial hand Correct hour and minute hand home positions Right dial hands 30 Correct right dial hands home positions 2. After confirming that the bottom dial hand and indicator hand are both at the proper home positions, press C. This will switch to hour hand and minute hand home position adjustment. · The hour hand and minute hand are at their proper home positions if they both move to 12 o'clock, and if the left dial hand is pointing at 24. [. . . ]