ON (all carriage returns are followedby a linefeed (ASCII decimal 10)), and
the duplexto HALF disabling echo.
The serialport can be used to transmit measurements to a computer or printer.
It can alsobe used to change settings of the 1521 from a computer or interface
with software. A full list of commands follows in Section 8.2.
Commands sentto the 1521 must end with an EOS character which is a car-
riage return (ASCII decimal 13) or linefeed character (ASCII decimal 10).
Commands can be sent with upper or lowercase letters. Data returned from the
1521 ends witha carriage return and a linefeed.
8.2 Communication Command List

8.2.1 Primary Commands

The followinggroup of commands read or set various functions.
Description Command Example
Response
Format
Response
Example Range
Readmeasurement, extended
format
t[emperature] t t: 999.999
{C,O,F,R,orK}
mm-dd-yyyy
hh:mm:ss
t: 125.745 C
03-01-1999
15:49:15
Readmeasurement, simple format f[etch?]
rea[d?]
me[asure?]
fetch?
read?
meas?
t:999.999