Thermo Scientific 42i Instruction Manual page 301

Thermo Fisher Scientific
Send: set custom 1 range 55.5
Receive: set custom 1 range 55.5 ok
range mode
This command reports the current range mode.
Send: range mode
Receive: range mode single
set range mode mode
This command sets the current range mode to single, dual, or auto. The
example below sets the range mode to single.
Send: set range mode single
Receive: set range mode single ok
gas mode
This command reports the current mode of sample, zero, or span. The
example below reports that the gas mode is sample.
Send: gas mode
Receive: gas mode sample
set sample
set sample gas
These commands set the zero/span valves to the sample mode. The
example below sets the instrument to sample mode, that is, the instrument
is reading the sample gas.
Send: set sample
Receive: set sample ok
set zero
set zero gas
These commands set the zero/span valves to the zero mode. The example
below sets the instrument to zero mode that is, the instrument is reading
the sample gas.
Send: set zero
Receive: set zero ok
set span
set span gas
These commands set the zero/span valves to the span mode. The example
below sets the instrument to span mode that is, the instrument is sampling
span gas.
C-Link Protocol Commands
Measurement Configuration
Model 42i Instruction Manual B-37