diff --git a/bin/oref0-subg-ww-radio-parameters.sh b/bin/oref0-subg-ww-radio-parameters.sh
index 6407c0c52..eeb6a511a 100755
--- a/bin/oref0-subg-ww-radio-parameters.sh
+++ b/bin/oref0-subg-ww-radio-parameters.sh
@@ -14,7 +14,8 @@ SUBG_RFSPY_DIR=$HOME/src/subg_rfspy
 
 ################################################################################
 set -e
-set -x
+# use set -x to debug oref0 ww pump communication errors
+# set -x
 
 echo
 echo The CC111x is located at $SERIAL_PORT