diff --git a/priv/signs.json b/priv/signs.json
index d227ea33..a46ac165 100644
--- a/priv/signs.json
+++ b/priv/signs.json
@@ -2,8 +2,8 @@
   {
     "id": "lab_test_1",
     "type": "realtime",
-    "pa_ess_loc": "TBR01",
-    "scu_id": "TBR01SCU001",
+    "pa_ess_loc": "TEST",
+    "scu_id": "TESTSCU001",
     "default_mode": "auto",
     "read_loop_offset": 120,
     "text_zone": "n",
@@ -48,8 +48,8 @@
   {
     "id": "lab_test_2",
     "type": "realtime",
-    "pa_ess_loc": "TBR01",
-    "scu_id": "TBR01SCU001",
+    "pa_ess_loc": "TEST",
+    "scu_id": "TESTSCU001",
     "default_mode": "auto",
     "read_loop_offset": 30,
     "text_zone": "s",