diff --git a/README.md b/README.md
index 485ab07..a9971d1 100644
--- a/README.md
+++ b/README.md
@@ -63,8 +63,8 @@ ENABLE_CTCSS_TAIL_PHASE_SHIFT := 1 standard CTCSS tail phase shift rathe
ENABLE_BOOT_BEEPS := 0 gives user audio feedback on volume knob position at boot-up
ENABLE_SHOW_CHARGE_LEVEL := 0 show the charge level when the radio is on charge
ENABLE_REVERSE_BAT_SYMBOL := 1 mirror the battery symbol on the status bar (+ pole on the right)
-ENABLE_FREQ_SEARCH_TIMEOUT := 1 timeout if FREQ not found
-ENABLE_CODE_SEARCH_TIMEOUT := 0 timeout if CTCSS/CDCSS not found
+ENABLE_FREQ_SEARCH_TIMEOUT := 1 timeout if FREQ not found when using F+4 search function
+ENABLE_CODE_SEARCH_TIMEOUT := 0 timeout if CTCSS/CDCSS not found when using F+* search function
ENABLE_AM_FIX := 1 dynamically adjust the front end gains when in AM mode to helo prevent AM demodulator saturation, ignore the on-screen RSSI level (for now)
ENABLE_AM_FIX_SHOW_DATA := 1 show debug data for the AM fix (still tweaking it)
ENABLE_SQUELCH_MORE_SENSITIVE := 1 make squelch levels a little bit more sensitive - I plan to let user adjust the values themselves
@@ -200,3 +200,10 @@ Video showing the AM fix working ..
+
+# WARNING if trying to use K5/K6 to TX out of band ..
+
+Most of the radios TX energy is in the harmonics rather than the desired fundamental ..
+
+
+
diff --git a/images/TX_51MHz.png b/images/TX_51MHz.png
new file mode 100644
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diff --git a/images/TX_70MHz.png b/images/TX_70MHz.png
new file mode 100644
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