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Hold mode button until alarm time appears push mode button one more time until seconds flash on current time click adjust button to switch between minutes and hours click alarm button to change hour or minute. Click mode to exit "set" mode
Press the MODE button 3 times. Press the LAP/RESET button until the hour flashes. Press the ST./STOP button to change the hour. Press the LAP/RESET button again to select the minutes. Press the ST./STOP button to change the minutes. Press MODE again when you're finished setting the time.
you go to alm1 or 2 and keep the reset button pushed in till number flashes then use st stp button to set and to change digits press mode button
To set the Sheng Bang HD 1688 clock, first ensure the clock is powered on. Press and hold the "Mode" button until the hour digits start flashing, then use the "Set" button to adjust the hour. Press "Mode" again to switch to minute adjustment and use "Set" to change the minutes. Once you've set the time, press "Mode" one last time to save the settings.
Use the float feature found on the mode button. Press mode and then select a number next to FLOAT. If FLOAT is selected, the calculator will not round. Selecting a number next to float will round to that many decimal places.