If you are on the road and trying to get your projector set up in a hurry, this removes any doubt about the current position of the zoom lens, which can save you a few seconds.
如果你是出差使用并且想很快就把投影机架起来演示的话，关闭此功能可以无视镜头的变焦位置，从而可以节省一点时间。
To save the current position and time zone information as the defaults which will be used in all future runs of the program, select save defaults from the File menu.
在程序任何情况下保存当前位置和时区为默认，在文件菜单中选择保存为默认值。
To save the current position and time zone information as the defaults which will be used in all future runs of the program, select save defaults from the File menu.
在程序任何情况下保存当前位置和时区为默认，在文件菜单中选择保存为默认值。
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