配有发光二极管显示器，选单参数控制、可调节的电气滞留时间和参数储存器。
It features an LED display, menu driven parameter control, electronic ramp and dwell, and a memory for parameter storage.
如果显示的单词不是你想要的，请按上键、下键或左、右键浏览可能组合的候选单词。
If the word shown is not the one you want, you can press UP or DOWN, or LEFT or RIGHT to browse the possible optional words.
假如你想要下拉选单里的答案可以乱排勾选'随机排列'，注意：测验卷显示设定也必须在试题里设成随机排列才能运作。
Check the 'shuffle' box if you want the answers in the drop-down menus to be shuffled. Note: the Quiz display setting must also be set to shuffle within a questions for this to work.
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