Agilent Technologies Infiniium 90000 Series Programmer's Manual page 1104

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Sample Programs
do_command(":CHANnel1:OFFSet 0.0")
qresult = do_query_values(":CHANnel1:OFFSet?")[0]
print "Channel 1 offset: %f" % qresult
# Set horizontal scale and offset.
do_command(":TIMebase:SCALe 200e-6")
qresult = do_query_string(":TIMebase:SCALe?")
print "Timebase scale: %s" % qresult
do_command(":TIMebase:POSition 0.0")
qresult = do_query_string(":TIMebase:POSition?")
print "Timebase position: %s" % qresult
# Set the acquisition mode.
do_command(":ACQuire:MODE RTIMe")
qresult = do_query_string(":ACQuire:MODE?")
print "Acquire mode: %s" % qresult
# Or, set up oscilloscope by loading a previously saved setup.
sSetup = ""
f = open("setup.stp", "rb")
sSetup = f.read()
f.close()
do_command(":SYSTem:SETup #8%08d%s" % (len(sSetup), sSetup), hide_param
s=True)
print "Setup bytes restored: %d" % len(sSetup)
# Set the desired number of waveform points,
# and capture an acquisition.
do_command(":ACQuire:POINts 32000")
do_command(":DIGitize")
# =========================================================
# Analyze:
# =========================================================
def analyze():
# Make measurements.
# --------------------------------------------------------
do_command(":MEASure:SOURce CHANnel1")
qresult = do_query_string(":MEASure:SOURce?")
print "Measure source: %s" % qresult
do_command(":MEASure:FREQuency")
qresult = do_query_string(":MEASure:FREQuency?")
print "Measured frequency on channel 1: %s" % qresult
do_command(":MEASure:VAMPlitude")
qresult = do_query_string(":MEASure:VAMPlitude?")
print "Measured vertical amplitude on channel 1: %s" % qresult
# Download the screen image.
# --------------------------------------------------------
sDisplay = do_query_string(":DISPlay:DATA? PNG")
sDisplay = get_definite_length_block_data(sDisplay)
1104 Agilent Infiniium 90000 Series Oscilloscopes Programmer's Reference