Subject: KENWOOD 2600 extend
 
Locate the two diodes standing on end with Teflon covering the top
part of their leads (which at one time were soldered together, broken,
and then resoldered).  Simply clip these two leads to unlock the
transmitter, but be sure to reset the microprocessor by pushing the
reset button before the set is capable of transmitting on any
frequency at 150 MHz.