amt1.idx
 
mods

  1) REPLACE FILTER RESISTORS. (FACTORY MOD)  2) REPLACE R5. (FACTORY MOD)
3) REPLACE C1.  4) MODIFY DISPLAY LIGHTS.  5) ADD POWER SWITCH.
6) ADD TX DATA INVERT SWITCH.  7) ADD RX DATA INVERT SWITCH.
8) ADD PTT KILL SWITCH.  9) ADD AUDIO I.O SHORT SWITCH.
10) ADD TTL/RS232 SELECT SWITCH. 11) ADD RS232 I/O JACKS.
12) ADD TRANSMITTER TTL OUTPUT JACK. 13) SEPARATE ANALOG/DIGITAL
GROUNDS (FACTORY MOD-ONLY NEEDED ON SOME UNITS).


files

Data is contained in files amt1 - amt1.10.