Half the participants were assigned thereal treatment; the other half received a placebo from a device thatlooked similar to the laser but was in fact a low-power LED.

研究人员分配一半志愿者接受真正的治疗，另一半接受一个装置发出的安慰剂——看上去类似激光，但实际上是低功率LED光。

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In this battery low status, the power LED flashes 2 times by pulling the scanner trigger.

如已处于低电量状态，每次按键按下时，电源LED 会闪2 下。

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If it is enabled, while the power is low, the power LED on the handheld unit flashes 5 times, and the beeper emits 5 beepers for every 10 minutes or 200 scans.

如使能，当手持终端的电源是低电量时，每10 分钟或200 次扫描，电源指示LED 会闪5 下，蜂 鸣器会鸣叫5 声。

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In 10 hours of daylight charging the unit gathers up to 20 hours worth of battery power for use in the low-power 8 LED mode, or 10 hours of life if used in 16 LED mode.

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"The MultiSync EA Series has transitioned to LED backlighting, offering our enterprise customers industry-leading low power consumption and less hazardous materials, not to mention a more aesthetically pleasing product, " said Lynn Gu, Product Manager at NEC Display Solutions.

ENGADGET: NEC revamps its MultiSync lineup with new 24-inch IPS monitor