Technical 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
- 3.4. PCB Parts Placement
- 3.6. Frequency Reference Specifications
- 3.7. A431 Module’s Photographs
- 4. Software
49
Commands
TIME
DESCRIPTION Sets/returns the real time clock.
PARAMETERS The actual time, or none in the GET version.
RETURNS The actual time as dd/mm/yyyy hh:mm:ss.
REMARKS GET/SET.
REMOTE No.
EXAMPLES TIME 12/12/1999 22:10:10
193 TIME 0
#
TIME
193 TIME 12/12/1998 22:10:10 0
#
BL
DESCRIPTION Sets/returns the band limits.
PARAMETERS The frequency band limits (Hz), or none in the GET version.
RETURNS The actual frequency band limits, in Hz.
REMARKS GET/SET. This is a hidden command (i.e. not available for the normal user in the
CMDS list).
REMOTE No.
EXAMPLE BL 432000000 450000000
193 BL 0
#
BL
193 BL 432000000 450000000 0
#
FREQ
DESCRIPTION Sets/returns the operating frequency.
PARAMETERS The operating frequency and step (Hz), or none in the GET version.
RETURNS The actual frequency and step, in Hz.
REMARKS GET/SET.
REMOTE Yes, SET only.
EXAMPLE FREQ 433925000 25000
193 FREQ 0
#