Countdown Timer Using Method
1. Before using, please press the "C" button to reset, it will display 00:00 00 and flash.
2. Press the "hour" "minute" and "second" button separately to set the countdown time, then the screen shows "ON"
3. Press the "start/restart" button to start work.
For example: need to set the expose time 5 minutes 30 seconds :
1. Press "C" button to remove the original set ;
2. Press "minute" set to "5"; press "seconds" set to "30"; Then press "start/restart" to start machine, light on.
3. After 5 minutes 30 seconds , light will turn off automatically.
If this setting do not need to be changed, it will be saved automatically. When the machine start again, timer will start again from 5 minutes and 30 seconds.
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