1. Max  screen frame size: 21 X 25 inch (54x64 cm external diameter)

2. With 8 pcs LED  ultraviolet light,

3. Equipped with 8mm tempered glass , keep safety when it was broken

4. Timer  will turn off the light automatically according to the setting. It will  keep 
this setting and repeat use unless you change the exposing time.

5. Send 2 pcs black  sponge cover on the plate to get a better exposing result.

Count range:  1 second--- 99 hours 59 minutes and 59 seconds

Working temperature: - 25 c ---- 65 c

Different brand emulsion will need variety exposing time, operator need  to test with 
this machine and set to the best exposing time.
　

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.