From a72f907d7523f82239f40a9a26aa0f5921c02c3c Mon Sep 17 00:00:00 2001
From: Hans Christian Olaussen <41271048+klutvott123@users.noreply.github.com>
Date: Thu, 12 Mar 2020 21:30:17 +0100
Subject: [PATCH] Fix vtx frequency backward compatibility

---
 src/SCRIPTS/BF/PAGES/vtx.lua | 2 ++
 src/SCRIPTS/BF/ui.lua        | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/SCRIPTS/BF/PAGES/vtx.lua b/src/SCRIPTS/BF/PAGES/vtx.lua
index bccdedab..dc2168d5 100644
--- a/src/SCRIPTS/BF/PAGES/vtx.lua
+++ b/src/SCRIPTS/BF/PAGES/vtx.lua
@@ -35,6 +35,8 @@ end
 
 if apiVersion >= 1.037 then
     fields[#fields + 1] = { t = "Frequency", x = x, y = inc.y(lineSpacing), sp = x + sp, min = 5000, max = 5999,                   vals = { 6 }, upd = function(self) self.handleFreqValUpdate(self) end }
+elseif apiVersion >= 1.036 then
+    fields[#fields + 1] = { t = "Frequency", x = x, y = inc.y(lineSpacing), sp = x + sp, min = 5000, max = 5999, ro = true }
 end
 
 -- Vals                     Fields
diff --git a/src/SCRIPTS/BF/ui.lua b/src/SCRIPTS/BF/ui.lua
index 04d59058..c65dfd09 100644
--- a/src/SCRIPTS/BF/ui.lua
+++ b/src/SCRIPTS/BF/ui.lua
@@ -342,7 +342,7 @@ local function run_ui(event)
             elseif event == EVT_VIRTUAL_ENTER then
                 if Page then
                     local f = Page.fields[currentField]
-                    if Page.values and Page.values[f.vals[#f.vals]] and not f.ro then
+                    if Page.values and f.vals and Page.values[f.vals[#f.vals]] and not f.ro then
                         pageState = pageStatus.editing
                     end
                 end