1. To install or replace the batteries, unscrew the cover with the button at the bottom of the simulator.

2. Remove the battery pack.

Remove batteries from the battery pack.

4. Install three new batteries (type AAA) according to the polarity. Pay attention, it is necessary that the batteries were placed minus the spring.

6. Install the lid, (you can first turn counterclockwise half a turn to match the parts exactly), making sure that the lid is straight, turn the lid clockwise.

7. Press the button at the bottom of the simulator and make sure that it turns on.

8. EYEIMPROVER is ready to use. Do not forget to turn it off after use.

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