--- a/tempctrl.c	Wed Oct 29 17:41:04 2008 +1030
+++ b/tempctrl.c	Wed Oct 29 17:45:32 2008 +1030
@@ -80,8 +80,10 @@
     int16_t	check_interval;
     int16_t	stale_factor;
 
+#ifndef WITHUSB
     /* Beep if stale */
     int8_t	dobeep;
+#endif
 } __attribute__((packed)) settings_t;
 
 /* Current settings in RAM */
@@ -112,7 +114,9 @@
     .idlebits = 0x00,
     .check_interval = 10,
     .stale_factor = 3,
+#ifndef WITHUSB
     .dobeep = 1
+#endif
 };
 
 /* Local variable declarations */
@@ -286,11 +290,13 @@
     if (stale)
 	nextstate = 'i';
     
-    /* Handle beeping */
+#ifndef WITHUSB
+/* Handle beeping */
     if (settings.dobeep && stale)
 	beeping = 1;
     else
 	beeping = 0;
+#endif
 	
     /* Handle state forcing */
     if (settings.mode != TC_MODE_AUTO)
@@ -508,7 +514,10 @@
 		      "Min heat overshoot - %d, Min cool overshoot - %d\r\n"
 		      "Min cool on time - %d, Min cool off time - %d\r\n"
 		      "Min heat on time - %d, Min heat off time - %d\r\n"
-		      "Beep on stale - %S\r\n"),
+#ifndef WITHUSB
+		      "Beep on stale - %S\r\n"
+#endif
+		     ),
 		 settings.fermenter_ROM[0], settings.fermenter_ROM[1], settings.fermenter_ROM[2], settings.fermenter_ROM[3], 
 		 settings.fermenter_ROM[4], settings.fermenter_ROM[5], settings.fermenter_ROM[6], settings.fermenter_ROM[7], 
 		 settings.fridge_ROM[0], settings.fridge_ROM[1], settings.fridge_ROM[2], settings.fridge_ROM[3], 
@@ -519,7 +528,10 @@
 		 settings.minheatovershoot, settings.mincoolovershoot,
 		 settings.mincoolontime, settings.minheatontime,
 		 settings.minheatontime, settings.minheatofftime,
-		 settings.dobeep ? PSTR("yes") : PSTR("no"));
+#ifndef WITHUSB
+		 settings.dobeep ? PSTR("yes") : PSTR("no")
+#endif
+	    );
 	return;
     }
     if (!strcasecmp_P(cmd, PSTR("mode"))) {
@@ -538,6 +550,7 @@
 	}
 	return;
     }
+#ifndef WITHUSB
     if (!strcasecmp_P(cmd, PSTR("beep"))) {
 	if (buf[8] == '1')
 	    settings.dobeep = 1;
@@ -547,6 +560,7 @@
 	    printf_P(PSTR("Expected a 0 or 1\r\n"));
 	return;
     }
+#endif
     if (!strcasecmp_P(cmd, PSTR("ferm")) ||
 	!strcasecmp_P(cmd, PSTR("frg")) ||
 	!strcasecmp_P(cmd, PSTR("amb"))) {