User's Manual

Document:
TBD
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8 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.
Storage Temperature -30 C to +70 C
Operating Surface temperature
Under room temperature unit surface temperature rising shall not
exceed 15 in any area that consumer can touch.
Room temperature = 25C
*Unit shall be tested using Rand McNally navigation app in demo
mode with maximum brightness.
Display
Screen Resolution
854 x 480
200 x 200 dpi
Touch screen
minimum icon design need to be:
6 mm by 6 mm;
Backlight Backlit LED
Brightness
350 lux
Brightness is measured with touch panel installed.
Contrast Ratio 500:1
Polarization
LCD screen shall be circular polarized (or equivalent) that be viewed
through a polarized sunglass.
Processor
CPU A64
Memory and Storage
Main Memory (RAM) 1GB (512*2)
On Board Storage (EMMC)
16GB SanDisk iNAND or equivalent with 8-bits data interface. HW
implantation shall capable upgrade to 32GB of EMMC.
GPS Performance
TTFF ≤60 sec
GPS Antenna
Antenna Center Frequency:1575.42 ± 4MHz
Polarization: RHCP
Antenna Patch Size: 18mm x 18mm x2mm
Peak Gain: 3dBi
VSWR: 2:1
6dB Beamwidth: 150 degrees
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