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Chinese characters. Click the "←", "→" button to perform the
page turning operation when selecting characters.
✓ Enter English characters: Click the English characters and press
"Enter" to confirm.
✓ If the input is completed and the cursor still flashes, press “Enter”
to cancel the cursor.
✓ Click "Cancel" to not save the input and exit the keyboard, click
“Confirm” to save the input and exit the keyboard.
✓ Click the " " button to delete characters.
4.3 Software operation
4.3.1 Phototoxicity test
The MED (minimum erythema dose) test is required before UVB
treatment. This test can help doctors determine the appropriate UVB