How to cancel the time telling in the computer digital calendar?

Time setting: a- Date and time setting/Move b- Hour alarm switch/Add c- Alarm setting/Move d- Adjustment of running birds (for example, set the morning of May 24th, 2004 as 10: 38), and press ". Press the "A" key again, the "Month" flashes, and press "B" to set it as "May" month; Press the "A" key again, the "Day" flashes, and press the "B" key to set it as "24th" day; Press the "A" key again, and the "hour" flashes; Press the "B" key in the morning and set it to "10"; Press the "A" key again, the "Minute" flashes, and press the "B" key to set it to "38" minutes; Press the "A" key again, and the "second" will flash; Press the "B" or "C" key, and seconds will be counted from 00; (Note: This step is not displayed when there is no second digital tube. Press the "A" key again to exit the time setting. Alarm setting: press the "C" key to enter the alarm setting, and the alarm serial number will be displayed at the position of the digital tube and will flash. Press the "B" key to select one of the settings of alarm 1 ~ 4; Blink when pressing the "C" key again, and press the "B" key to adjust to the set value; Press the "C" key to flash again, and press the "B" key to adjust to the set value; Press the "C" key again, and press the "B" key to switch when the position of the day digital tube shows "On" or "-"alarm status; After setting, press the "c" key again to exit the alarm setting. * Setting of running water birdsong: set it to running water birdsong state, and when it comes to voice time, there will be normal voice music time. At this time, the running water birdsong state will be turned off, and the normal running water birdsong function will be restored only after the time music is over. Press the "D" key lightly to adjust the running water birdsong, or press the "D" key until the running water birdsong is turned off when this function is not used. Call again after power failure or plug it in after unplugging, with voice and music time telling functions. At this time, the bird running call is turned off, and press the "D" key to switch to the working state of the bird running call. Note: As long as 1 or 1 of the four alarms is set to ON, the alarm indicator lights up, and only when all alarms are turned off will the alarm indicator lights go out. Hourly alarm setting: During normal operation, press the "B" key, and when the alarm indicator lights up, it means that the alarm has been turned on; otherwise, it means that the alarm is turned off.