I have mobile transceiver FT2200 version B3.
Hi ! have a 12 programming jumper across on the control unit (under LCD display). My transceiver have :

Automatic repeater shift version B
Tone Burst 1750Hz
RX 110MHz-180MHz FM/AM (110MHz-140MHz automatik AM)
TX 140MHz-174MHz FM
Jumper across.
Nr.	Nr.0	Nr.1	Nr.2	Nr.3	Nr.4	Nr.5	Nr.6	Nr.7	Nr.8	Nr.9	Nr.10	Nr.11
JUMP>	NO	YES	NO	NO	NO	NO	NO	NO	NO	YES	NO	NO

NO > JUMPER NOT is
YES > JUMPER it is
JUMPER Nr.5 >> AM RX block out (info HB9PD)