User's Manual
Table Of Contents
- 1. Introduction
- 2. Hardware
- 3. The A431 Radio Module
- 3.1. About the A431 Radio Module
- 3.2. Functional description
- 3.3. Manufacturing Issues
- 3.3.1. Marking and labeling issues
- 3.3.2. Alignment Range and Switching Range
- 3.3.3. Tuning Procedure
- 3.3.4. Setting Up the Default Parameters
- 3.3.5. Definitions
- 3.3.6. Test Equipment Settings
- 3.3.7. Trimming Elements
- 3.3.8. Adjusting the Receiver Front End
- 3.3.9. Adjusting the VCOs
- 3.3.10. Adjusting the Crystal Reference
- 3.3.11. Checking the Receiver Parameters
- 3.3.12. Checking the Transmitter Parameters
- 3.3.13. Data Transfer Check
- 3.6. Frequency Reference Specifications
- 3.7. A431 Module’s Photographs
- 4. Software
5
TX ___________________________________________________________________________ 55
B ____________________________________________________________________________ 56
Returned errors list____________________________________________________________________ 56
Command line interpreter _______________________________________________________ 56
Device descriptors and storage handler ___________________________________________ 57
Real time clock ________________________________________________________________ 57
Radio interface ________________________________________________________________ 57
Notifications __________________________________________________________________ 57
Adcon Packet Radio Protocol _________________________________________________57
Digital Squelch _______________________________________________________________________ 58
Modulation Technique Used (low speed modem) _________________________________________ 59
Generic Format of a Radio Frame _______________________________________________________ 59
Data Frames _________________________________________________________________________ 61