User's Manual

Document:
TBD
Page:
17 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.
● Long press on Power will shut down the unit after 1min (to
be confirmed)
Volume Up / Down
● Volume button - will have” –“ & “+” keys: Pressing + will
increase volume,
● Pressing – will decrease volume
● Pressing and holding down on ” –“ & “+” will continue to
decrease or increase volume until max setting is reached
● # of volume steps = 10 with follow spacing
Boot-loader
Factory Reset
Volume + / Power will open the Bootloader menu when device is off.
Menu will allow user to go into:
● fastboot mode,
● boot normally (by default) or
● Factory Reset - boot in recovery mode.
After 90sec, the system will boot normally unless the user change the
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