diff --git a/serial/essai.sh b/serial/essai.sh
index 06ab908..b6b3d4e 100755
--- a/serial/essai.sh
+++ b/serial/essai.sh
@@ -5,19 +5,19 @@ DATAFILE="foo.dat"
 TMPFILE="/tmp/dd2data"
 
 IMAGE="graphe.png"
-NB_READ=5000
+NB_READ=500
 
 ./t -vv -n ${NB_READ} -d ${DEVICE} | tee -a ${DATAFILE}
 
 gnuplot << __EOC__
-set term png 	size 4200,640
+set term png 	size 1280,640
 set output 	"${IMAGE}"
 set grid
 set title	"Temperature dans le Double Dragon 2"
 set xdata 	time
 set timefmt 	"%s"
 set format x 	"%d, %H:%M:%S"
-set yrange [ 0.0 : 30.0]
+set yrange [ 0.0 : 30.0 ]
 plot	"${DATAFILE}" using 1:2 title " foo" with lines, \
 	"${DATAFILE}" using 1:3 title " bar" with lines, \
 	"${DATAFILE}" using 1:4 title "quux" with lines, \
diff --git a/serial/t.c b/serial/t.c
index fffe1f1..3eef5fe 100644
--- a/serial/t.c
+++ b/serial/t.c
@@ -23,7 +23,7 @@ int loop(int sfd, int iters)
 {
 int		count, foo;
 long		temps;
-char		ligne[200];
+char		ligne[200], buff[200];
 float		datas[4];
 struct tm       *p_tms;
 
@@ -39,9 +39,10 @@ for (count=0; count<iters; count++) {
 	if (verbosity > 1)
 		{
 		p_tms = localtime(&temps);
-		(void)strftime(ligne, 19, "%H:%M:%S", p_tms);
-		fprintf(stderr, "%6d   %s\n", count, ligne);
+		(void)strftime(buff, 19, "%H:%M:%S", p_tms);
+		fprintf(stderr, "%s    %6d / %d\n", buff, count, iters);
 		}
+	//
 	foo = parse4values(ligne, 'T', datas);
 	// 
 	if (foo >= 0) {