110V Vacuum Exposure Unit

Vacuum Exposure Unit 110V

                                                                     2. Set the vacuum pumping time

1) Press “VACUUM”, the left indicator light (yellow) is lit up;

2) Press “ + ” or “ – ” in the “TIME CONTROL” area to set the vacuum pumping time according to your needs.
(For first-time users, please put an empty screen in the middle of the rubber inner cavity, just set 40 seconds for test; if the pointer of the vacuum gauge could reach or pass the middle of the green area, that’s ok. If not, please extend the time and test again until having reached the requirement.

3. Set the exposure time

1) Press “EXPOSURE”, the left indicator light (red) is lit up;
2) Press “ + ” or “ – ” in the “TIME CONTROL” area to set the exposure time according to your needs.
(Exposure time varies according to the coated photosensitive emulsion. Please just set 300 seconds for test and then reset a suitable time according to the exposure effect.)

4. Once finished the above settings, you could start exposure just as follows
1) Put the screens coated with photosensitive emulsion and the printed transparency film on the glass.
2) Put the air suction pipe in to the screen;
3) Close the cover and click the “START” button, then it will vacuum pump and expose automatically according to the settings;
4) When the set time is up, it will deflate automatically; Open the cover and exposure is finished. Please just cut off the power supply.

5. Functions of other keys
1) “RESET” for canceling the previous settings: if you want to reset the vacuum / exposure time, just press “VACUUM” / “EXPOSURE” and the left indicator light is lit up; Then press “RESET” and the original settings will turn to “ 0 ”; Next, you could set according to your needs.
2) “BACK” for stop working: if you want to stop vacuum pumping or exposure, just press the “BACK” button, that’s ok.

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