VS Series Helium Mass Spectrometer Leak Detectors
DRAFT 4/23/15
A-5
Table A-1 lists inquiries that are used to determine internal operating parameters.
All inquiries, except VER, begin with
? and end with <CR>.
Table A-1 Internal Operating Parameters
Inquiry Response
?ALL Responds with four lines. Each begins with a <cr><lf>. The first line
reports the ion chamber value. The second line reports the emission value.
The third line reports the value of the offset variable. The fourth line reports
the gain value.
?AZ<0 Reports the status of the Auto-zero < 0 function, ON or OFF.
?CALOK Reports the status of the last calibration.
?CL-XFER Reports the currently stored contra-flow mode crossover pressure.
?CPLOCKOUT Reports the status of the control panel lockout feature, ON or OFF.
?CURRDATE Reports the current system date and time in the following format: 3
05/25/2005 04:19:03.35 1 where 3 is the day of the week (0 = Sunday, 1 =
Monday, etc), 05/25/2005 is mm/dd/yyyy (date), 04:19:03.35 is
hh/mm/ss/ms (time) and 1 is PM (0=AM, 1=PM, 2=24 hour).
?DISPLAY Reports what the display bar graph is set to, log or lin.
?EMISSION Reports the emission value.
?EXPONENT Reports the current manual-mode exponent with a two-character (minus
followed by one digit) number. The exponent is within the least sensitive
range (as reported by ?RANGE) and the three lower (more negative
exponent) ranges. See also INIT-EXPONENT.
?EXTLEAK Reports the currently stored value of the external standard leak.
?GAIN Reports the system gain value by returning a three-character number
consisting of a two-digit gain factor with a decimal point after the first digit.
?INTEXT Indicates which leak, Internal or External has been selected for use during
calibration.
?I/O BOARD Returns the status: 0 = not installed, 1 = installed
?IO_VER Returns the software revision of the installed I/O PCB
?IONCHAMBER Reports the ion chamber value.
?LANGUAGE Reports the language that has been selected to display on the front panel
(0=English, 1=French, 2=German, 3=Korean, 4=Spanish, 5=Japanese,
6=Chinese or Russian depending on software version purchased).
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