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viii DS2208 Digital Scanner Product Reference Guide

USB Convert Unknown to Code 39 .......................................................................................... 7-9

USB Fast HID ........................................................................................................................... 7-9

USB Polling Interval ............................................................................................................... 7-10

Keypad Emulation .................................................................................................................. 7-12

Quick Keypad Emulation ........................................................................................................ 7-12

Keypad Emulation with Leading Zero .................................................................................... 7-13

USB Keyboard FN1 Substitution ............................................................................................ 7-13

Function Key Mapping ........................................................................................................... 7-14

Simulated Caps Lock ............................................................................................................. 7-14

Convert Case ......................................................................................................................... 7-15

USB Static CDC ..................................................................................................................... 7-15

CDC Beep on <BEL> ............................................................................................................. 7-16

TGCS (IBM) USB Direct I/O Beep ......................................................................................... 7-16

TGCS (IBM) USB Beep Directive ........................................................................................... 7-17

TGCS (IBM) USB Bar Code Configuration Directive ............................................................. 7-17

TGCS (IBM) USB Specification Version ................................................................................ 7-18

ASCII Character Sets for USB ..................................................................................................... 7-18

Chapter 8: SSI Interface

Introduction .................................................................................................................................... 8-1

Communication .............................................................................................................................. 8-1

SSI Transactions ............................................................................................................................ 8-3

General Data Transactions ...................................................................................................... 8-3

Decoded Data Transmission .................................................................................................... 8-4

Communication Summary .............................................................................................................. 8-6

RTS/CTS Lines ........................................................................................................................ 8-6

ACK/NAK Option ...................................................................................................................... 8-6

Number of Data Bits ................................................................................................................. 8-6

Serial Response Timeout ......................................................................................................... 8-6

Retries ...................................................................................................................................... 8-6

Baud Rate, Stop Bits, Parity, Response Timeout, ACK/NAK Handshaking ............................. 8-6

Errors ....................................................................................................................................... 8-6

SSI Communication Notes ....................................................................................................... 8-7

Using Time Delay to Low Power Mode with SSI ............................................................................ 8-7

Encapsulation of RSM Commands/Responses over SSI .............................................................. 8-8

Command Structure ................................................................................................................. 8-8

Response Structure ................................................................................................................. 8-8

Example Transaction ...........................................

.................................................................... 8-9

Setting Parameters ..................................................................................................................... 8-10

Scanning Sequence Examples .............................................................................................. 8-10

Errors While Scanning ........................................................................................................... 8-10

Simple Serial Interface Parameter Defaults ................................................................................. 8-11

SSI Host Parameters ................................................................................................................... 8-12

Select SSI Host ...................................................................................................................... 8-12

Baud Rate .............................................................................................................................. 8-12

Parity ...................................................................................................................................... 8-14

Check Parity ........................................................................................................................... 8-15

Stop Bits ................................................................................................................................. 8-15

Software Handshaking ........................................................................................................... 8-16

Host RTS Line State .............................................................................................................. 8-17