diff --git a/src/SCRIPTS/BF/CMS/common.lua b/src/SCRIPTS/BF/CMS/common.lua
index 6c1f703..b562fed 100644
--- a/src/SCRIPTS/BF/CMS/common.lua
+++ b/src/SCRIPTS/BF/CMS/common.lua
@@ -70,12 +70,14 @@ screen = {
 
 cms = {
     menuOpen = false,
+    synced = false,
     init = function(cmsConfig) 
         screen.config = assert(cmsConfig, "Resolution not supported")
         screen.reset()
         screen.clear()
         protocol.cms.close()
         cms.menuOpen = false
+        cms.synced = false
     end,
     open = function()
         protocol.cms.open(screen.config.rows, screen.config.cols)
@@ -112,6 +114,7 @@ cms = {
                     screen.buffer = cRleDecode(screen.data)
                     screen.draw()
                     screen.reset()
+                    cms.synced = true
                 end
             else
                 protocol.cms.refresh()
diff --git a/src/SCRIPTS/BF/cms.lua b/src/SCRIPTS/BF/cms.lua
index 15ca339..364bf05 100644
--- a/src/SCRIPTS/BF/cms.lua
+++ b/src/SCRIPTS/BF/cms.lua
@@ -1,16 +1,25 @@
-lastMenuEventTime = 0
+local lastMenuEventTime = 0
+local INTERVAL = 80
 
 local function init()
     cms.init(radio)
 end
 
+local function stickMovement()
+    local threshold = 30
+    return math.abs(getValue('ele')) > threshold or math.abs(getValue('ail')) > threshold or math.abs(getValue('rud')) > threshold
+end
+
 local function run(event)
-    lastMenuEventTime = getTime()
+    if stickMovement() then
+        cms.synced = false
+        lastMenuEventTime = getTime()
+    end
     cms.update()
     if (cms.menuOpen == false) then
         cms.open()
     end
-    if (event == radio.refresh.event) then
+    if (event == radio.refresh.event) or (lastMenuEventTime + INTERVAL < getTime() and not cms.synced) then
         cms.refresh()
     end
     if (event == EVT_VIRTUAL_EXIT) then