4U CHECK4U 3 매뉴얼 - 페이지 15
{카테고리_이름} 4U CHECK4U 3에 대한 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. 4U CHECK4U 3 17 페이지. Id checker
*Sometimes, even if it is an original product, the red led might be on.
In this case, wipe the ID card surface and insert it again. If the card is
damaged, there can be an error.
Do not disassemble the equipment but use the cleaning card when cleaning the
inside.
SENSOR
* Wrap both sides of the card with a thin cloth (to let it fit into the home) and
dip it with an alcohol to clean.
As a reference,
15
Cleaning Methods
Swipe the cleaning
card up and down