Bosch FSR Series Training Manual page 39

How to Replace the Interface Board (clock) – FSR (FD8306 – FD8507) Cont'd
All interface boards are programmed for the MEDIUM featured model initially from the supplier, for
example HXS24XU (HX24XXU): For the MOST featured models HXS25XU (HX25XXU) either one of
the tabs should be snapped off. For the least featured models, example HXS23XU, both tabs should
be snapped off . Be sure to check this before installing the board. Detailed instructions are included
with the replacement board.
Tabs
Jan. 2008, Iss. 1
39