2-23 Program Errors Programming with GPIB Commands
2-62 PN: 10370-10374 Rev. F MG369xC GPIB PM
2-23 Program Errors
Two types of errors can occur in bus programming—invalid-parameter and syntax. These two error types are
described in the following paragraphs.
Invalid Parameter
Invalid-parameter errors are those that cause the signal generator to beep. These errors include:
• Programming an analog frequency sweep where the sweep start frequency is greater than the stop
frequency
• Attempting to enter a frequency, time, or power level parameter that exceeds the limits of the signal
generator
• Failing to properly end a parameter entry with a suitable terminator such as MH, DB, MS, etc.
Syntax
Syntax errors are those that occur in the formulation of a program statement, such as writing “EXTTFS”
instead of “EXTTRS”.
To prevent misinterpretation of command statements, the signal generator ignores all portions of the
command statement following the syntax error.
All commands are ignored until the signal generator receives the Unlisten command (ASCII 63; “?” character)
over the bus or until the signal generator is addressed to talk.
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