HP E1563A, User Manual, Page: 79 / 166

Digitizer Command Reference 79
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 Maximum Samples Maximum Samples
4 MBytes 1,048,576 524,288
8 MBytes 2,096,152 1,048,576
16 MBytes 4,194,304 2,097,152
32 MBytes 8,388,608 4,194,304
64 MBytes 16,777,216 8,388,608
128 MBytes 33,554,432 16,777,216
•
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
:COUNt?
SAMPle:COUNt? [MIN | MAX] command returns the number of samples each
channel will make. The number of samples returned is common to all channels.
:PRETrigger:COUNt
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.