diff --git a/tcl/drivers/ccu4ext.tcl b/tcl/drivers/ccu4ext.tcl
index 5e3e837..57c6033 100644
--- a/tcl/drivers/ccu4ext.tcl
+++ b/tcl/drivers/ccu4ext.tcl
@@ -96,6 +96,7 @@ proc ccu4ext::calcsmooth {level minspeed maxspeed} {
   set lasttime [silent 0 sct lasttime]
   if {$lasttime == 0} {
     set lasttime $now
+    hupdate [sct]/smooth $level
   }
   set delta [expr $now - $lasttime]
   sct lasttime $now
@@ -220,7 +221,10 @@ proc ccu4ext::fillExt {type} {
       return idle
     }
     0 { # watching
-      validated_level
+      if {[validated_level] eq ""} {
+        clientput "invalid $type level - suspend watching"
+        return idle
+      }
       set minspeed [expr - 100.0 / [hvali [sct]/minholdhours] / 3600.]
       set maxspeed [expr - 100.0 / [hvali [sct]/maxholdhours] / 3600.]
       set s [calcsmooth $level $minspeed $maxspeed]
diff --git a/tcl/ls372sc.addon b/tcl/ls372sc.addon
index c969a48..c99f8bc 100644
--- a/tcl/ls372sc.addon
+++ b/tcl/ls372sc.addon
@@ -3,19 +3,11 @@ addonDesc = additional LakeShore 372
 #-sensor abs: converted value will be absolute value (-sensor raw does respect sign)
 
 makenv ls_dilsc -driver 372_lsc -port dilsc-ls2.psi.ch:7777 {
-  # LiErF4 puck CHA
-  lsc_sensor reg A -sensor U08127 -excitation 20uV -filter 1 -dwell 3       
-  # LiErF4 puck CH7
-  lsc_sensor plato 7 -sensor U08905 -excitation 20uV -filter 1 -dwell 3
-  # LiErF4 puck CH8
-  lsc_sensor chip 8 -sensor T_chip_2025-04-08 -excitation 20uV -filter 1 -dwell 3 
-
-  #lsc_sensor plato 7 -sensor QT2-PS1_RuO -excitation 20uV -filter 1 -dwell 3 #MWpuck
+  lsc_sensor reg 7 -sensor U07012 -excitation 20uV -filter 1 -dwell 3     
+  lsc_sensor plato A -sensor U08905 -excitation 20uV -filter 1 -dwell 3
+  #lsc_sensor chip 8 -sensor T_chip_2025-04-08 -excitation 20uV -filter 1 -dwell 3 
   #lsc_sensor chip 2 -sensor 2023-BC1_2 -excitation 20uV -filter 1 -dwell 3
   #lsc_sensor chip 8 -sensor 2024-BC1-V2 -excitation 20uV -filter 1 -dwell 3 
-  #lsc_loop heater_plato -loop 0 -channel 1 -maxheater 10mA -resist 320 -loopname plato
-  #lsc_sensor plato 8 -sensor U08910 -excitation 20uV -filter 1 -dwell 3
-  #lsc_sensor reg A -sensor U08833 -excitation 20uV -filter 1 -dwell 3  #MW puck
   lsc_loop heater_plato -loop 0 -channel A -maxheater 10mA -resist 28 -loopname plato
 }
 
diff --git a/tcl/secop.config b/tcl/secop.config
index fa428c6..87e3aea 100644
--- a/tcl/secop.config
+++ b/tcl/secop.config
@@ -1,6 +1,6 @@
 deviceDesc = SECoP test (version v1.0)
 
-device stick_menu "secop"
+device stick_menu "none secop"
 
 set ::secop_version 4