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Teledyne API Model T360/T360M Operation Manual Operating Instructions
129
4.12. SETUP MORE VARS: INTERNAL VARIABLES
(VARS)
The T360 has several-user adjustable software variables, which define certain
operational parameters. Usually, these variables are automatically set by the
instrument’s firmware, but can be manually re-defined using the VARS menu.
Table 4-13 lists all variables that are available within the 818 password protected
level.
Table 4-13: Variable Names (VARS)
NO. VARIABLE DESCRIPTION
ALLOWED
VALUES
0 DAS_HOLD_OFF
Changes the internal data acquisition system (DAS) hold-off
time, which is the duration when data are not stored in the
DAS because the software considers the data to be
questionable. That is the case during warm-up or just after
the instrument returns from one of its calibration modes to
SAMPLE mode. DAS_HOLD_OFF can be disabled entirely
in each DAS channel.
Can be between 0.5
and 20 minutes
Default=15 min.
1 CONC_PRECISION
Allows the user to set the number of significant digits to the
right of the decimal point display of concentration and
stability values.
AUTO, 1, 2, 3, 4
Default=AUTO
2
STABIL_GAS
Selects which gas measurement is displayed when the STABIL
test function is selected.
CO
2
& O
2
1
3 DYN_ZERO
Dynamic zero automatically adjusts offset and slope of the
CO
2
response when performing a zero point calibration
during an AutoCal (Section 5).
ON/OFF
4 DYN_SPAN
Dynamic span automatically adjusts slope and slope of the
CO
2
response when performing a zero point calibration
during an AutoCal (Section 5).
Note that the DYN_ZERO
and DYN_SPAN features are not
allowed for applications requiring EPA equivalency.
ON/OFF
5 CLOCK_ADJ
Adjusts the speed of the analyzer’s clock. Choose the +
sign if the clock is too slow, choose the - sign if the clock is
too fast.
-60 to +60 s/day
7
SERVICE_CLEAR ON resets the service interval timer. ON/OFF
7
TIME_SINCE_SVC Time since last service (hours). 0–500000
7
SVC_INTERVAL Sets the interval between service reminders (hours). 0–100000
1
O
2
gas measurement is only available in analyzers with O
2
sensor options installed.
07272B DCN6552