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6 - 36 THE CPL PROTOCOL
wave_nr The oscilloscope waveform source:
001 - 004 for CH1 - CH4 00e for EXT TRIG
011 - 084 for m1.1 - m8.4 01e-08e for m1.e - m8.e
091 - 504 for m9.1 - m50.4 (Extended Memory only)
09e - 50e for m9.e - m50.e (Extended Memory only)
(xx.e for 2 ch. versions only; xx3 and xx4 for 4 ch. versions only)
admin 16 parameters, separated by a ",":
count The acquisition length: 512, 8192, 16384 or 32768
(Extended Memory: 8192 and higher)
sample 2 bytes (Most Significant Byte + Least Significant Byte), representing
the 16-bit sample value (bit 16 = -32768, bit 15 = 16384, ..., bit 1 = 1).
Range: -32k (down) ... +32k (up)
checksum 1 byte checksum over all sample bytes
PARAMETER TYPE EXAMPLE NOTES
trace_name string m4.1
Y_unit string V
X_unit string s
Y_zero number 3 Y-position (reverse)
X_zero number -8.625E-6 Trigger delay
Y_resolution number 78.13E-3
X_resolution number 1E-6
Y_range number 65535
date string [F]1994-01-25
1)
time string 17:11:25:40 no",A" option: 17:11:25
dT-corr number 375E-3 dT = dT-corr * X-resolution
min/max number 0 1 = min/max trace
mult_shot_tot number 32
mult_shot_nr number 5
reserved string 0
reserved string 0
1) When ’A’ option is added; F = date format
(E = European, A = American, J = Japanese)
No option then E format.
Example: 1000000011000111 = value -32569
byte 1 byte 2
byte 1 = 128 (value -32768)
byte 2 = 128+64+4+2+1 = 199 (value +199)