xiiContent OverviewsPreface ................................................................................................................................. iHow this book is organized .............................................................................................. iiSAFETY PRECAUTIONS ..................................................................................................... ivChapter 1 Quick Guide ................................................................................................. 11.1 Reading 2D Codes and Bar Codes ........................................................................... 2BHT-100Q ................................................................................................................... 2BHT-100B .................................................................................................................... 41.2 Setting and Using the Hand Strap and Stylus ........................................................ 61.3 Setting the Backlight ................................................................................................. 81.4 Using the Keypad ...................................................................................................... 91.5 Transferring Data ....................................................................................................... 10Chapter 2 Getting Started the BHT and System Mode ............................................. 112.1 BHT System Configuration ....................................................................................... 122.2 Components and Functions ..................................................................................... 172.3 Preparation ................................................................................................................ 192.3.1 Setting-up 1: Loading the Battery Cartridge .................................................. 192.3.2 Setting-up 2: Setting the Calendar Clock ....................................................... 232.3.3 Adjusting the LCD Contrast, Beeper Volume and Touch Screen,and Switching the Beeper & Vibrator .............................................................. 242.3.4 Battery Voltage Display ..................................................................................... 282.3.5 Battery Replacement Notes .............................................................................. 292.3.6 BHT Turning-off Notes ...................................................................................... 312.4 Initializing the BHT System ...................................................................................... 352.5 Operating in System Mode ...................................................................................... 392.5.1 Starting System Mode ...................................................................................... 392.5.2 Operating in System Mode .............................................................................. 432.5.3 Detailed Description of the Functions in System Mode ................................. 45Chapter 3 Communications Operations of the BHT-100Q/100B ............................. 1083.1 Infrared Communication .......................................................................................... 1093.2 RS-232C Interface Specifications ............................................................................. 1113.3 Basic Communications Specifications and Parameters ........................................ 1133.3.1 Basic Communications Specifications ............................................................ 1133.3.2 Communications Parameters ........................................................................... 115