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: you need to set the exposure time to be 5 minutes
30 seconds:
1. Press
the "C" button to remove the original setting;
2. Press
the "minute" button to set to be "5"; press the "seconds" button
to set to be "30"; then press the "start/restart" button to
start the machine, and the light is on.
3. After
5 minutes 30 seconds, the light will be turned off
automatically.
If this
setting does not need to be changed, it will be saved
automatically. When the machine starts again, the timer will
start again from 5 minutes and 30 seconds. |