931003E / 0620 4. FIRMWARE COMMANDS AND RESPONSES
SHOW_PEAK
This command returns the contents of the ROI channel with the largest number of counts. An
ROI channel is a channel that has the ROI flag set. The maximum possible value is
2147483647, which is the maximum number of counts that can be stored in a 31-bit channel.
Responses:
$G0000000000075<CR> Maximum count in an ROI channel is zero or no ROI
channels were found.
$G0000000001076<CR> Maximum count in an ROI channel is 1.
... ...
$G2147483646120<CR> Maximum count in an ROI channel is 2147483646.
$G2147483647121<CR> Maximum count in an ROI channel is 2147483647.
SHOW_PEAK_CHANNEL
This command returns the number of the ROI channel with the largest number of counts. An
ROI channel is a channel that has the ROI flag set. The lowest number ROI channel with the
largest count is reported if more that one channel contains the largest number of counts.
Responses:
$C00000087<CR> Maximum count was found in channel 0 or no ROI channels
were found (see errors below).
$C00001088<CR> Maximum count was found in channel 1.
... ...
$C01023093<CR> Maximum count was found in channel 1023.
SHOW_RADIX
This command is for compatibility with other ORTEC MCBs. It always reports that the
number base radix for the WRITE command is binary.
Responses:
$FBIN<CR> Number base set to binary radix.
SHOW_ROI
Used in conjunction with the SHOW_NEXT command, SHOW_ROI reports the first
continuous group of channels that have the ROI flag set. The response is of the form
$Dsssssnnnnnccc<CR>
where sssss represents an integer number that is the number of the first channel of the “first”
group of channels that all have their ROI bit set, and nnnnn represents an integer number that
is the number of channels in the group. The SHOW_NEXT command is used to report the
“next” group of channels that all have their ROI bit set.
Responses:
$D0100000050078<CR> First ROI group starts at channel 1000 and is 50 channels
long.
$D0000000000072<CR> No ROI groups to report.
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