User's Manual

Document:
TBD
Page:
19 of 42
ENGINEERING
Documentation
Revision:
1.6
Date:
24-May-17
Title:
TND540 Requirement
Proprietary and Confidential
This document contains confidential and property information which belongs to Rand McNally, Inc. This
document may not be copied, reproduced, or transmitted to others in any manner, nor may any use of the
information on this document be made, except for the specific purposes for which it is transmitted to the
recipient without prior written consent of Rand McNally, Inc.
OS Power Management
When the tablet off and not connected to external power, the OS
shall turn on the unit when user press the power key when the
battery level is above 5%;
If the battery level is at or below 5%, the tablet will:
1) If the tablet is currently ON and connected to an external power
supply, do nothing.
2) If the tablet is currently ON and not connected to an external
power supply, power off the tablet.
3) If the tablet is currently OFF and not connected to an external
power supply, do not allow the user to power on the tablet via the
power button.
4) If the tablet is currently OFF and and an external power supply is
connected, automatically power on the tablet.
USB Interface Requirement
USB ID ORIGINAL PID/VID
Default USB mode
If unit’s battery < 15%, and connected to power via USB, then set
backlight to 50%, and to be determined what other things can be
turned off.
USB PC Connection Procedure Enable MTP by default
USB connector Mini USB with OTG function
Flash Driver - SD Card
Flash Driver
Drive name for flash will be custom name
Shows both iNand and external SD if card is in slot.
Note: Default OS behavior in Android 5.1 is supported by our software
without any customization.
For Android >= 6.0, external sd card should default to "Portable
Mode".
Wi-Fi Encryption
Wi-Fi encryption supported
Wi-Fi module shall supporting following encryption methods
● WEP
● WPA
● WPA2
PDF 檔案使用 "pdfFactory Pro" 試用版本建立 www.pdffactory.com