Install PKYa-10 device on the table:
— earth PKYa-10 device and connect it to the mains line, switch it on and off for a short time to make sure the lamp glows;
— place the eggs to be examined into the cells in the upper lid;
— switch on the backlit of PKYa-10 device with a toggle switch. Switch on the backlit for no more than 1 minutes followed by a switch-off for at least 2 minutes; and
— inspect the quality of eggs visually.
PKYa-10 device allows diagnosing the following items:
— small and large spots under the shell;
— turbid (opaque) eggs; and
— presence of foreign matters.
A quality egg should be transparent.