Vaisala CARBOCAP GMP231, User Manual, Page: 42 / 92

Table 28 SDELAY command
Syntax Description
SDELAY
<cr> Show serial line transmission delay.
SDELAY [delay]
<cr> Set a new serial line transmission delay, range 0
… 255 (milliseconds)
Example (set delay to 50 milliseconds):
sdelay 50
Serial delay : 50
Table 29 ECHO command
Syntax Description
ECHO [on/off] <cr> Enable or disable echoing of characters received
by the probe.
Example:
echo
Echo : OFF
4.10 Calibration commands
Before calibrating GMP231 using serial line commands, see Calibration and
adjustment (page 71) .
Make sure that the environmental compensation settings of the GMP231 are
properly set for your calibration environment.
Table 30 CCO2 command
Syntax Description
cco2
<cr> Show current user adjustment status.
cco2 -lo [co2]<cr>
cco2
-hi [co2]
<cr>
Perform a 1-point (only either low or high
concentration) or 2-point (both low and high
concentrations) calibration and adjustment.
-lo
= Adjustment at low concentration (under 2
%CO
2
)
-hi
= Adjustment at high concentration (over 2
%CO
2
)
co2 = CO
2
concentration reference in ppm
GMP231 User Guide M211501EN-E
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