Quick Reference Guide

Quick Reference Guide 3

Introduction

The ET51 is a wireless LAN (WLAN) tablet and the ET56 is a wireless WAN (WWAN)

tablet.

Features

Item Description

1 Ambient Light Sensor - Recognizes the ambient light and adjusts the

display brightness (if enabled).

2 Front Microphones - Use for voice communications or audio recordings.

3 Front Facing Camera - Use for video conferencing or capturing images and

video.

4 Camera Indicator LED - Lights red when the camera is activate.

Momentarily lights red when the device boots and shuts down.

5 Charging Indicator LED - Indicates charging status.

OFF - device is not connected to charger.

ORANGE - device is charging.

GREEN - device is connected and fully charged.

RED - charge error.

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