corrected bug with scaled temperature

tecs/tecs.c

@@ -1076,6 +1076,9 @@ int Settings(void) {
         ERR_P(LscCmd(ser, buf));
       }
       my_free(cfg);
+    } else {
+      cryo.scale=1;
+      samp.scale=1;
     }
 
     ERR_I(ReadTemp());

tecs/tecs_client.f

@@ -39,6 +39,7 @@
 	print *,'<parameter>          show parameter'
 	print *,'<parameter> <value>  set parameter'
 	print *,'plot                 temperature and power chart'
+	print *,'log <n>              show last n lines of logfile'
 	print *,'kill                 close TecsServer and exit'
 	print *,'exit,quit            exit, but do not close TecsServer'
 	print *,'help                 show list of parameters and cryo devices'