Content OverviewsPreface ................................................................................................................................. iHow this book is organized .............................................................................................. iiSAFETY PRECAUTIONS ..................................................................................................... ivChapter 1 Quick Guide ................................................................................................. 11.1 Reading Bar Codes .................................................................................................... 21.2 Setting and Using the Hand Strap ........................................................................... 41.3 Setting the Backlight ................................................................................................. 51.4 Using the Keypad ...................................................................................................... 61.5 Transferring Data ....................................................................................................... 7Chapter 2 Getting Started the BHT and System Mode ............................................. 92.1 BHT System Configuration ....................................................................................... 102.2 Components and Functions ..................................................................................... 152.3 Preparation ................................................................................................................ 172.3.1 Setting-up 1: Loading the Battery Cartridge ................................................... 172.3.2 Setting-up 2: Setting the Calendar Clock ........................................................ 212.3.3 Adjusting the LCD Contrast & Beeper Volume and Switching theBeeper & Vibrator .............................................................................................. 242.3.4 Battery Voltage Display ..................................................................................... 262.3.5 Synchronization Display in Radio Communication(BHT-7500S/7500W only) .................................................................................. 262.3.6 Battery Replacement Notes .............................................................................. 272.3.7 BHT Turning-off Notes ...................................................................................... 292.4 Initializing the BHT System ...................................................................................... 332.5 Operating in System Mode ...................................................................................... 372.5.1 Starting System Mode ...................................................................................... 372.5.2 Operating in System Mode .............................................................................. 422.5.3 Detailed Description of the Functions in System Mode ................................. 44Chapter 3 Communications Operations of the BHT .................................................. 1233.1 Spread-Spectrum Communication (BHT-7500S/7500W only) ............................... 1243.1.1 Notes for Wireless Operations ......................................................................... 1243.1.2 RF-Related Parameters ..................................................................................... 1243.2 Infrared Communication .......................................................................................... 126