Using The Privacy Shutter; Dell Optimizer - Dell NOT21684 Owner's Manual

To reduce the risk of eye strain, it is also recommended that you:
● Position the display at a comfortable viewing distance between 20 and 28 inches (50 and 70 cm) from your eyes.
● Blink frequently to moisten your eyes, wet your eyes with water, or apply suitable eye drops.
● Look away from your display, and gaze at a distant object at 20 ft (609.60 cm) away for at least 20 seconds during each
break.
● Take an extended break for 20 minutes every two hours.

Using the privacy shutter

1. Slide the privacy shutter to the left to access the camera lens.
2. Slide the privacy shutter to the right to cover the camera lens.
Figure 1. Camera shutter

Dell Optimizer

This section provides the Dell Optimizer specifications of your Latitude 5540.
On Latitude 5540 with Dell Optimizer, the following features are supported:
● ExpressConnect—Automatically joins the access point with the strongest signal, and directs bandwidth to conferencing
applications when in use.
● ExpressSign-in—The Intel Context Sensing Technology's proximity sensor detects your presence to instantly wake up the
computer and login using the IR camera and Windows Hello feature. Windows locks when you walk away.
● ExpressResponse—Prioritizes the most important applications. Applications open faster and perform better.
● ExpressCharge—Extends the battery runtime and improves battery performance by adapting to your patterns.
34 Specifications of Latitude 5540