ISO測(cè)試卡 (DIN 19051)簡(jiǎn)介

TE143旨在檢查文檔復(fù)制的可讀性。 在模式號(hào)84中，八邊形內(nèi)的兩條線的方向必須對(duì)于八個(gè)符號(hào)中的七個(gè)沒有問題地被識(shí)別。

The TE143 is designed to check the readability of document reproductions. In pattern number 84 the direction of the two lines inside the octagon must be recognized without problems for seven out of eight symbols.