DSPEC
®
Digital Gamma-Ray Spectrometer
38
SET_PZ
num
This sets the pole zero to num, which must be between 0 and 4095. See also ENABLE
_PZ_AUTO, SHOW_PZ, and DISABLE_PZ_AUTO.
SET_PZ_DELAY
num
Sets the time in 400-ns to wait after the peak of a pulse before sampling the baseline to
evaluate the quality of the PZ adjustment when automatic pole-zero adjustment is in
progress. Num should be between 0 and 200. Normally, the parameter is selected
automatically by the DSPEC, based on the rise time setting. See also SHOW_PZ_DELAY.
Execution Errors:
%131128085<CR>
The number is incorrect.
%131132080<CR>
A number must be included.
SET_RADIX_BINARY
This command is provided for compatibility with other ORTEC MCBs. It specifies that
binary records are to be used by the WRITE command for sending spectral data to the host
computer via the serial line. This is the only radix supported by the DSPEC.
SET_ROI
start_chan,number_of_chans
Sets the ROI flags for the specified channels. This command can be used multiple times to
set ROI flags without affecting previously set flags. ROI flags specify channels within a
device that are considered for ROI integral and ROI peak presets.
SET_ROI_SAMPLE
num
Selects which controls signals are displayed as an ROI on the captured waveform. The
selected signals are logically anded and if the result is not zero, the ROI bit is turned on. The
following signals may be selected with the associated bit.
Bit 0:
Pile-up Reject
Bit 1:
Negative Baseline Threshold
Bit 2:
Baseline Restorer Gate
Bit 3:
Positive Baseline Threshold
Bit 4:
Busy
Bit 5:
Gate
Bit 6:
Reserved
Bit 7:
Peak Detect
Bit 8:
Reserved
SET_ROI_UNCERTAINTY
start, chans
Sets the region to be used for the uncertainty preset calculation. See also
SHOW_ROI_UNCERTAINTY.
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