amt1.9 WHEN PICKING A POWER SOURCE FOR THE EXTRA LED, CHOOSE A POINT FROM THE INCOMING 12V LINE AS OPPOSED TO ONE OF THE REGULATED LINES WITHIN THE UNIT. THE 5V REGULATOR IS RUNNING HOT ENOUGH WITHOUT ADDING MORE TO IT. 8) THE REASON FOR THE PTT KILL SWITCH WILL BECOME APPARENT WHEN ONE TRIES TO USE THE AMT-1 TONE GENERATOR FOR SELF ALIGNMENT OR WHEN TRYING TO COPY ASCII OFF THE AIR. THE AMT-1 DOESNT DO ASCII WELL. IT SEEMS TO HAVE BEEN AN AFTERTHOUGHT. PICK A CONVENIENT SPOT ON THE BOARD TO CUT THE TRACE FROM THE 2N2222 SWITCHING TRANSISTOR TO THE XCVR JACK AND INSERT THE PTT SWITCH IN SERIES. A SPST SWITCH IS ADEQUATE. MOUNT SWITCH ON REAR PANEL.9) AS WITH MOD #8, THE REASON FOR THIS MOD WILL BECOME APPARENT WHEN YOU USE THE INTERNAL TONE GENERATOR TO ALIGN THE DISPLAY LIGHTS. CONTINUED IN FILE AMT1.5