indicator light

常见例句

The "MultiAccount" card has two buttons on its face, each with an indicator light that can be pressed to record data to its magnetic strip.
其中一种“多帐号”智能信用卡在其表面上有两个按钮，每个按钮拥有一个指示灯，你一按就能够将帐号数据记录到它的磁条上。
Up front, the glass runs edge to edge and there is an indicator light in the top right corner that alerts you to new emails and a assortment of other things.
正面是从边到边的玻璃；右上角有一个指示灯来提示有新邮件和其他东东。
Wait until the indicator light shows a full charge (on the ADR6300, for example, the charging LED changes from amber to green) but do not yet turn the device back on.
等到充电器指示灯显示完全充满后（在手机ADR6300上，充电器的LED充满后，灯的颜色会从琥珀色变成绿色），这时候也不要打开手机。

Lastly, below the battery slot is an indicator light for wireless connectivity, while another on the right lets you know when the battery is charging.
ENGADGET: Tritton Warhead 7.1 Wireless Surround Sound Headset for Xbox 360 review
So when BlackBerry, formerly known as Research In Motion, launched its new phones last month it was no surprise that those two key features that keep me in love with my BlackBerry, the indicator light and full keyboard, were still in play.
FORBES: 3 Reasons I Still Have A BlackBerry And Won't Switch
But that red indicator light?
FORBES: 3 Reasons I Still Have A BlackBerry And Won't Switch