DISP
ON/OFF
com mand
Using the DISP com mand (page 6-33 ), the read out dis play can be turned OFF,
yet data can still be ac quired from the read out chan nels. (NOTE: Not avail able
in Pro file mode or when sent via RS232.
C code ex am ple:
/* turn dis play off */
Send(0, 13, “ DISP OFF”, 8L, NLend );
/*Ask for 10 read ings */
for( i=0; i<10; i++)
{
Send(0, 13, “O 1”, 3L, NLend );
Re ceive(0, 13, buffer[ i], 20, STOPend );
}
Set tling (%) Power Level (dBm) Read ings/Sec ond
0.1 0 160
0.1 –30 160
10.0 –30 160
The 0.1% set tling on –30 dBm power level re sults were not im proved be cause
of the amount of time needed to set tle to 0.1% on –30 dBm.
FAST
ON/OFF
com mand
Using the FAST com mand (page 6-38 ) lim its the types of mea sure ments that
can be taken. As some pro cesses are turned off, higher mea sure ment speeds
can be achieved. FAST will not op er ate when sent via RS232. When the FAST
ON com mand is se lected, the read out dis play is also turned OFF.
C code ex am ple:
/* send fast mode ON*/
Send(0, 13, “FAST ON”, 7L, NLend );
/* Setup the power me ter into talk ad dressed. In this mode */
/* we can read from power me ter with out re ad dress ing each */
/* time. */
Receivesetup(0,13);
/* Now read 10 read ings */
for (loop = 0; loop < 10; loop++)
{
RcvRespMsg(0,buffer,STOPend);
}
5-22 ML2400A OM
OPTIMIZING READINGS PROCEDURES
NOTE
Using FAST mode only
in creases speed when
ask ing for one mea -
sure ment at a time, us -
ing the ‘Re ceive’ com -
mand.