Varian 948, Operation And Service Manual

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Models 947, 948 and 960 Leak Detectors Operations and Service Manual
C-3
?LEAK An eight-character number consisting of a three-digit leak rate mantissa with
decimal point after the first digit followed by E–, then a two-digit number, which
is the leak rate range exponent (e.g., 1.35E-07).
?nREJECT A six-character number consisting of a two-digit reject leak rate mantissa with a
decimal point after the first digit followed by E-, followed by a two-digit leak rate
range exponent (e.g., 7.0E-05). This inquiry reports the value of the requested
set point, where n is the reject set point 1 through 4.
?OFFSET A number representing the position of the preamplifier offset (digi-pot) device as
a percent of full scale. 50 represents mid-scale.
?PRESSURES Two lines. Each line begins with a <CR><LF>.
First line Consists of the words test port
followed by a number of mTorr.
Second line Consists of the words system TC
followed by a number of mTorr.
?RANGESTOP A string of three characters that tells the most sensitive range exponent when
the auto range function is operating.
?REJECT A nine-character string consisting of a one digit reject number (1,2,3,4), a space,
a two-digit reject leak rate mantissa with a decimal point after the first digit, E–,
and a two-digit number which is the reject leak rate range exponent
(e.g., 7.0E-05).
This inquiry is used for reporting the reject leak rate that was most recently input
using one of the INIT-nREJECT commands.
?REPELLER Reports the repeller voltage. The format is: REPELLER 402.2
?ROUGH A string of three digits that tells the number of seconds set into the sequencer's
rough timer.
?RSONOFF A string of three characters that reads either off or on to tell whether the Range
Stop feature is operating.
?SEQONOFF A string of three characters that reads either off or on to tell whether the auto
sequence function is operating.
Table C-1 Internal Operating Parameters (Continued)
Inquiry Response