HP E1563A User Manual page 79

:COUNt?
:PRETrigger:COUNt
E1564A Digitizer and 33,554,432 for the 2-channel E1563A Digitizer, depending on
the amount of memory on the card. The following describes the limits with the
different memory options:
HP E1563A (2-channel) HP E1564A (4-channel)
Memory Size
4 MBytes
8 MBytes
16 MBytes
32 MBytes
64 MBytes
128 MBytes
•
One pre-trigger sample is required to get the above maximums. The maximum
is one less if pre-trigger count is zero.
•
Executable when initiated: No
•
Coupled command: No
•
Reset (*RST) condition: all channels set to 1 sample
SAMPle:COUNt? [MIN | MAX] command returns the number of samples each
channel will make. The number of samples returned is common to all channels.
SAMPle:PRETrigger:COUNt <count> | MIN | MAX command sets the number
of pretriggers (number of readings that will occur before the trigger event occurs).
The count is common to all channels.
•
<count> must be a positive number and not greater than the sample count -1.
Maximum Samples
1,048,576
2,096,152
4,194,304
8,388,608
16,777,216
33,554,432
Digitizer Command Reference
Maximum Samples
524,288
1,048,576
2,097,152
4,194,304
8,388,608
16,777,216
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