mute flashing light student time manager reminder multi-function clock loud timer tone timer

bk-863 super large screen film positive countdown timer

i. functions:

there are year, month, day, clock, noise (24-hour system) week, positive and countdown functions;

2. function settings

sequence: time → year → month → day → alarm clock, automatic week conversion;

in time mode → long press the mode key for 2 seconds, hour, minute, second flashing, on time key "hour" +1, press the key "minute" +1, press the second key "second" +1, press the second key less than 30 seconds to return to zero, more than 30 seconds to 0 points +1, press the mode key year flashing, press the "time" +1 on time, press the split key "points" +1, press the mode key month, day flashing, press the button month +1 on time, press the split key day +1, press the mode key to display the sound time, hour, minute, second flashing, the "r" icon appears on time key "time" +1, press the key "minute" +1, save the alarm clock setting according to the mode to return the time display;

3. sound switch setting

in the sound time display mode, press the mode button for 2 seconds to turn on the sound with the icon, and press the mode for 2 seconds to turn off the sound with the icon disappearing;

4. sound off

when the noise occurs, press the mode key to stop the sound, and start the snooze timer at the same time. the snooze sign "z" flashes at a frequency of 1hz, and automatically sounds again after 8 minutes, if the sound ends in 60 seconds repeatedly, the snooze timer will be turned off without pressing the mode key until the next noise;

v. sound off snooze

press the start/stop button when the bell is ringing, and the sound stops. at the same time, the snooze timer and the "z" icon are not started;

vi. countdown function

the maximum setting range is 99 hours and 59 minutes 59 seconds. at the same time, press the minute key to reset the data, return to zero, press the time key "time" +1, press the split key "minute" +1, press the second key "second" +1, press the start/stop key to start or stop;

vii. positive timing function

the maximum setting range is 9 9 minutes 59 seconds 99 milliseconds. at the same time, press the minute key to reset, the data is zeroed, and the start/stop key starts or stops the timing.

8. sound off

there is a switch on the right side, push off to turn off the sound and use led light instead of the sound, push on to turn on the sound