User Guide

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Table of Contents

Introduction............................................................................................................................................................5–5

Phone description .............................................................................................................................................5–5

Energy management..............................................................................................................................................5–8

Battery and charging ........................................................................................................................................5–8

Normal and extreme voltages .........................................................................................................................5–9

Power key and system power-up................................................................................................................. 5–10

Modes of operation........................................................................................................................................ 5–10

USB, SIM, µSD........................................................................................................................................................ 5–10

Micro USB......................................................................................................................................................... 5–10

SIM interface ................................................................................................................................................... 5–10

µSD card interface .......................................................................................................................................... 5–11

User interface....................................................................................................................................................... 5–12

Display module............................................................................................................................................... 5–12

Keyboard ......................................................................................................................................................... 5–12

Backlight and illumination............................................................................................................................ 5–12

Audio concept...................................................................................................................................................... 5–12

AV connector........................................................................................................................................................ 5–13

RF description ...................................................................................................................................................... 5–15

Receiver (RX)................................................................................................................................................... 5–15

Transmitter (TX) ............................................................................................................................................. 5–15

Bluetooth ........................................................................................................................................................ 5–16

Technical specifications...................................................................................................................................... 5–16

General specifications.................................................................................................................................... 5–16

Battery endurance.......................................................................................................................................... 5–16

Main RF characteristics for GSM band phone .............................................................................................. 5–16

Environmental conditions ............................................................................................................................. 5–17

List of Tables

Table 7 Nominal voltages......................................................................................................................................5–9

Table 8 Key signal matrix ................................................................................................................................... 5–12

Table 9 AV connector pins .................................................................................................................................. 5–14

List of Figures

Figure 22 Battery pin order...................................................................................................................................5–8

Figure 23 Battery connector..................................................................................................................................5–9

Figure 24 SIM interface ....................................................................................................................................... 5–11

Figure 25 Audio block diagram.......................................................................................................................... 5–13

Figure 26 Bluetooth interface............................................................................................................................ 5–16

RM-436

System Module

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