diff --git a/@postman/src/main.cpp b/@postman/src/main.cpp
index a81d824..317e12c 100644
--- a/@postman/src/main.cpp
+++ b/@postman/src/main.cpp
@@ -22,11 +22,11 @@
 
 //============<identities>============
 //
-#define MY_GROUP_ID   (20000)
-#define MY_ID         (MY_GROUP_ID + 1000 + 21)
-#define MY_SIGN       ("@POSTMAN|REPEATER")
+#define MY_GROUP_ID   (10000)
+#define MY_ID         (MY_GROUP_ID + 1)
+#define MY_SIGN       ("@POSTMAN|@SAMPLER")
 //
-#define ADDRESSBOOK_TITLE ("3rd floor")
+#define ADDRESSBOOK_TITLE ("broadcast only")
 //
 //============</identities>============
 
@@ -56,7 +56,7 @@
 #define HAVE_CLIENT_I2C
 #define DISABLE_AP
 // #define SERIAL_SWAP
-#define REPLICATE_NOTE_REQ
+// #define REPLICATE_NOTE_REQ
 
 //============<parameters>============
 //
diff --git a/@sampler/src/main.cpp b/@sampler/src/main.cpp
index 3e5a3d3..8645450 100644
--- a/@sampler/src/main.cpp
+++ b/@sampler/src/main.cpp
@@ -29,9 +29,9 @@
 // --> a light indicator for playing/stopped
 //
 //==========</list-of-configurations>===========
-#define USE_EXTERNAL_ANALOG_REFERENCE
-#define USE_IDLE_NOISE
-#define USE_LED_INDICATOR
+// #define USE_EXTERNAL_ANALOG_REFERENCE
+// #define USE_IDLE_NOISE
+// #define USE_LED_INDICATOR
 
 //============<parameters>============
 //