diff --git a/Packages/MIES/MIES_BrowserSettingsPanel.ipf b/Packages/MIES/MIES_BrowserSettingsPanel.ipf
index f70418c7ac..d2f4ae4d1d 100644
--- a/Packages/MIES/MIES_BrowserSettingsPanel.ipf
+++ b/Packages/MIES/MIES_BrowserSettingsPanel.ipf
@@ -1267,25 +1267,22 @@ Function BSP_CheckProc_ChangedSetting(cba) : CheckBoxControl
 					endif
 					break
 				case "check_BrowserSettings_TTL":
-					if(checked)
+					if(checked && !GetCheckBoxState(bsPanel, "check_BrowserSettings_VisEpochs"))
 						EnableControl(bsPanel, "check_BrowserSettings_splitTTL")
 					else
 						DisableControl(bsPanel, "check_BrowserSettings_splitTTL")
 					endif
 					break
 				case "check_BrowserSettings_VisEpochs":
-					AdaptDependentControls(bsPanel, "check_BrowserSettings_splitTTL", CHECKBOX_UNSELECTED, checked, DEP_CTRLS_SAME)
+					if(GetCheckBoxState(bsPanel, "check_BrowserSettings_TTL"))
+						AdaptDependentControls(bsPanel, "check_BrowserSettings_splitTTL", CHECKBOX_UNSELECTED, checked, DEP_CTRLS_SAME)
+					endif
 					if(checked)
 						DisableControls(bsPanel, "check_Display_EqualYrange;check_Display_EqualYignore")
 					else
 						EnableControls(bsPanel, "check_Display_EqualYrange;check_Display_EqualYignore")
 					endif
 					break
-				case "check_BrowserSettings_splitTTL":
-					if(!checked)
-						PGC_SetAndActivateControl(bsPanel, "check_BrowserSettings_VisEpochs", val = 0)
-					endif
-					break
 				default:
 					if(StringMatch(ctrl, "check_channelSel_*"))
 						BSP_GUIToChannelSelectionWave(bsPanel, ctrl, checked)
diff --git a/Packages/MIES/MIES_DataBrowser.ipf b/Packages/MIES/MIES_DataBrowser.ipf
index cb35383981..1d55fd89dd 100644
--- a/Packages/MIES/MIES_DataBrowser.ipf
+++ b/Packages/MIES/MIES_DataBrowser.ipf
@@ -117,7 +117,7 @@ Function DB_ResetAndStoreCurrentDBPanel()
 	PGC_SetAndActivateControl(bsPanel, "Settings", val = 0)
 	CheckBox check_overlaySweeps_disableHS, WIN = $bsPanel, value= 0
 	CheckBox check_overlaySweeps_non_commula, WIN = $bsPanel, value= 0
-	CheckBox check_BrowserSettings_splitTTL, WIN = $bsPanel, value= 1
+	CheckBox check_BrowserSettings_splitTTL, WIN = $bsPanel, value= 1,disable=DISABLE_CONTROL_BIT
 	PopupMenu popup_overlaySweeps_select, WIN = $bsPanel, mode=1
 	SetVariable setvar_overlaySweeps_offset, WIN = $bsPanel, value= _NUM:0
 	SetVariable setvar_overlaySweeps_step, WIN = $bsPanel, value= _NUM:1
@@ -200,7 +200,6 @@ Function DB_ResetAndStoreCurrentDBPanel()
 	CheckBox check_BrowserSettings_DAC, WIN = $bsPanel, value= 0
 	CheckBox check_BrowserSettings_ADC, WIN = $bsPanel, value= 1
 	CheckBox check_BrowserSettings_TTL, WIN = $bsPanel, value= 0
-	CheckBox check_BrowserSettings_splitTTL, WIN = $bsPanel, value= 0,disable=DISABLE_CONTROL_BIT
 	CheckBox check_BrowserSettings_OChan, WIN = $bsPanel, value= 0
 	CheckBox check_BrowserSettings_dDAQ, WIN = $bsPanel, value= 0
 	CheckBox check_Calculation_ZeroTraces, WIN = $bsPanel, value= 0
diff --git a/Packages/MIES/MIES_DataBrowser_Macro.ipf b/Packages/MIES/MIES_DataBrowser_Macro.ipf
index 8bc105828b..4245176470 100644
--- a/Packages/MIES/MIES_DataBrowser_Macro.ipf
+++ b/Packages/MIES/MIES_DataBrowser_Macro.ipf
@@ -930,7 +930,7 @@ Window DataBrowser() : Graph
 	CheckBox check_SweepControl_HideSweep,value=0
 	CheckBox check_BrowserSettings_splitTTL,pos={170.00,56.00},size={58.00,15.00},disable=2,proc=BSP_CheckProc_ChangedSetting
 	CheckBox check_BrowserSettings_splitTTL,title="sep. TTL"
-	CheckBox check_BrowserSettings_splitTTL,help={"Display the TTL channel data as single traces for each TTL bit"}
+	CheckBox check_BrowserSettings_splitTTL help={"Display the TTL channel data as single traces for each TTL bit (ITC hardware only, for other hardware types this is always the case regardless of this checkbox)"}
 	CheckBox check_BrowserSettings_splitTTL,userdata(tabnum)="0"
 	CheckBox check_BrowserSettings_splitTTL,userdata(tabcontrol)="Settings"
 	CheckBox check_BrowserSettings_splitTTL,userdata(ResizeControlsInfo)=A"!!,G:!!#>n!!#?!!!#<(z!!#`-A7TLfzzzzzzzzzzzzzz!!#r+D.OhkBk2=!z"