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B&K Precision 4045B - Manual User Manual

Page 70

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70

The Program Message Unit can be divided into

three sections as follows:

a) Program Header

The Program Header represents the operation to be

performed, and consists of ASCII character mnemonics.

Two types of Program Headers are used in the

MODEL 4045B: Instrument-control headers and Common

Command and Query headers. Common Command and

Query Program Headers consist of a single mnemonic

prefixed by an asterisk ('*').

The mnemonics consist of upper - or lower-case alpha

characters.

Example: The command to set the frequency to

1KHZ may be written in the following ways:

FREQ 1KHZ

FREQ 1000HZ

FREQ 1000

FREQ 1E3

freq 1khz

freq 1000hz

freq 1000

freq 1e3

b) Program Header Separator