AOR SDU5600 Specifications download pdf (Page 40)

8-3 Basic format of the command

Each command to be sent to the SDU5600 consists of 4 letters (upper case) in

ASCII code with appropriate parameters followed by <CR><LF>.

Each letter represents the following:

(1) First letter Either W for write or R for read

(2) Second letter Line of command such as S for

spectrum analysis, V for visual

set-up, U for user interface and

I for information

(3 & 4) Third and Fourth letter Categories of each line of command

8-4 RS232 command list

Commands are divided into four categories:

S = Spectrum analysis

V = Visual command

U = User Interface

I = Information

Microsoft Windows® Hyper Terminal® may be used to control the SDU5600 or you may write your

own software.

An example of command format is given here:

RSCF<CR> Response: SCF79.5<SP><CR><LF>

In this example, the centre frequency is read.

Command = Read

Category = Spectrum analysis

Type of command (abbreviation) = CF

Parameter (variable) = Not used in this example

Example of input = RSCF<CR> Response from SDU5600 = SCF79.5<SP><CR><LF>

A correct WRITE command results in the action being carried out and <CR><CR><LF> being

returned. An incorrect command results in a question mark “?” followed by <CR><LF> being

returned.

Section 8-3, 8-4

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AOR SDU5600 Specifications Page 40