GE Sensing RPT 301 User Manual page 26

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Command:
Where: 'nnnnnn' is a number between 1 and 999999. This is
Reply: None
Result: A reading is transmitted every nnnnnn seconds.
X - Auto Send from switch-on
The 'A' command is cancelled by any following commands and is not
restored at switch-on. If the pressure transducer continuously sends
readings and does so even after power failure, (this includes using the
'shutdown' facility) then the 'X' command can be used to select this
facility. This command allows a transmission period to be stored in
nonvolatile memory which will be automatically loaded and actioned as
if the 'A' command had been sent at switch-on.
Command:
Where: 'nnnnnn' is a number between 0 and 999999.
Reply: None
Result: Instrument powers up in auto-send mode with the
K177 Issue No. 3
RPT 301 User Manual
A,nnnnnn
the period in seconds between successive
transmissions.
The transmission format is the same as the reply of the
'R' command.
X,nnnnnn
This is the transmission interval in seconds as for the
'A' command. A value of 0 disables the Auto send at
switch-on.
selected transmission interval.