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3.1
3.1.1
Spread Spectrum Communication
The BHT-200BW-CE/201BW-CE supports spread spectrum communication.
Notes for Wireless Operations
• If there are too many communications errors, first make sure that the BHT-200BW-CE/201BW-CE
points directly at an access point because the 2.4-GHz band requires a more or less straight line path.
Note also that the low-power radio waves have trouble passing through human bodies and other
obstacles along that path.
• This link will not operate properly in the vicinity of microwave ovens, industrial heaters, high-frequency
medical equipment, and other sources of radio waves in the 2.4-GHz band.
• Electromagnetic noise from personal computers, refrigerators, and other home appliances can also
interfere with link operation.
• Environmental factors that can also interfere with link operation include large metallic objects, metallic
dust, or metallic walls in the vicinity of the path and vibration at either end.
To System Designers:
• Before developing the application, make sure that the intended environment is free of the
interference factors above and thus actually capable of supporting link operation.
• Assume that there will be communications failures requiring robust retry capabilities in the
software.
• When introducing the BHT link operation into an environment where equipment using radio waves
in the 2.4-GHz band operates or when introducing such equipment after the introduction of the
BHT link operation, be sure to confirm that the BHT radio link operates properly with all
equipment being in operation beforehand.
• If the environment of the radio communications system is changed after the introduction (e.g.,
newly installed household appliances and movement/addition of shelves or objects), then confirm
that the radio link operates properly again before the actual use.
108
- Bar Code Handy Terminal 1
- US and Canada Regulations 3
- LABELING: 4
- Grip style BHT 4
- Preface 6
- How this book is organized 7
- Related Publications 8
- Screen Indication 8
- SAFETY PRECAUTIONS 9
- Chapter 1 17
- Quick Guide 17
- 1.1 Reading Bar Codes 18
- Setting the hand strap 20
- Using the hand strap 20
- Using the stylus 21
- Operating the touch screen 21
- 1.3 Setting the Frontlight 22
- 1.4 Using the Keypad 23
- 1.5 Transferring Data 24
- Using infrared link 25
- Using USB interface 26
- Chapter 2 27
- Getting Started the BHT 27
- System Configuration 28
- BHT Operating System (OS) 30
- Software Development Kit 31
- Components 32
- Grip style BHT 33
- 30-key pad 34
- 26-key pad 35
- Battery voltage level 36
- Windows desktop on the LCD 38
- Preparation 39
- Into the grip 40
- Low Battery Indication 42
- 2.3.4 BHT Turning-off Notes 46
- Backing-up the Registry 47
- Restoring the Registry 47
- 2.3.5 Warm and Cold Booting 48
- Cold-booting the BHT 49
- Release button 51
- Battery cartridge cover 51
- Battery cartridge 51
- Battery pull strap 51
- Backup battery cover 53
- Backup batter 53
- Clear insulation sheet 55
- Inside cover 55
- Discharge Counter." 57
- Operating in System Menu 58
- My Computer 59
- Internet Explorer 59
- BHTSHELL 60
- 2.5.2 Start Menu 61
- Command Prompt 62
- Favorites 62
- Documents 62
- Control Panel 62
- Dialing Properties 64
- Owner Properties 64
- Display Properties 66
- Regional Settings Properties 66
- Connection 67
- PC Connection Properties 67
- Taskbar 69
- Structure of System Menu 71
- SF + C/BS 72
- (C) keys 72
- [ 1 ] Execute Program 73
- [ 2 ] Communication Menu 74
- Downloading 76
- Uploading 79
- Problem 81
- Solution 81
- [2.2] ActiveSync (IrDA) 82
- [2.3] ActiveSync (RF) 83
- [2.4] ActiveSync (USB) 85
- [3.1] Control Panel 87
- [3.2] File System 88
- Select No 89
- ⇓ ⇑ 89
- Select Yes 89
- [3.3] Device Menu 93
- Display setup menu 96
- Key definition menu 97
- Frontlight menu 100
- Power Management menu 101
- Setting the ESSID 104
- Setting the RF options 105
- Setting the WEP keys 105
- (128-bit WEP) 106
- Testing with Ping 107
- • Type2 108
- • Type1 108
- [ 4 ] Test Menu 109
- [4.1] Bar-code reading test 110
- [4.2] Beeper scale test 111
- [4.3] Aging test 111
- [4.4] Communications test 112
- [ 5 ] Explorer 121
- [ 6 ] System Information 121
- 3.1.2 RF-Related Parameters 125
- TRANSMIT KEY 126
- 3.2 Infrared Communication 127
- USB driver/receive 128
- Pin 8 Pin 2 129
- Synchronization 131
- Transmission Speed 131
- Vertical Parity 132
- 3.5.2 Using Ymodem 133
- 3.6 ActiveSync 134
- Setting up ActiveSync 3.7 135
- Host Compute 137
- Connector interface cable 137
- 4.1 System Errors 142
- Shutdown due to low battery 143
- Chapter 5 145
- Handling the CU-200 (Option) 145
- 5.1 Functions of the CU-200 146
- Interface cable 151
- CU-201: RS-232C 151
- CU-221: USB 151
- Cartridge (using the CU-200) 153
- ON (in red) 154
- ON (in green) 154
- 5.6 Interface Specifications 155
- Appendices 157
- Appendix A. Specifications 158
- (3) Bar Code Label Size 160
- Pin 2 Pin 8 162
- Pin 7 Pin 1 162
- A.2 CU-200 163
- Flash Card 165
- C.1 Applicable Standards 169
- C.2 Interface Cables 170
- BHT-200B-CE/200BW-CE 172
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