Downloading and Using Files
Data Transfer Troubleshooting
Chapter 4 189
Data Transfer Troubleshooting
This section is divided by the following data transfer method:
“Direct PRAM Download Problems” on page 189
“User File Download Problems” on page 191
“User FIR Filter Coefficient File Download Problems” on page 195
“ARB Waveform Data Download Problems” on page 196
Each section contains the following troubleshooting information:
• a list of symptoms and possible causes of typical problems encountered while downloading
data to the signal generator
• reminders regarding special considerations, file requirements, and data limitations
• tips on creating data, transferring data, data application and memory usage
Direct PRAM Download Problems
Table 4-3 Direct-to-PRAM Download Trouble - Symptoms and Causes
Symptom Possible Cause
The transmitted pattern is
interspersed with random,
unwanted data.
Pattern reset bit not set.
Insure that the pattern reset bit (bit 7, value 128) is set on
the last byte of your downloaded data.
ERROR -223, Too much data
PRAM download exceeds the size of PRAM memory.
Either use a smaller pattern or get more memory by
ordering the appropriate hardware option.
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