On logic board behind the front panel 
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Remove D9 to expand vhf rx
  
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Remove d10 to expand uhf rx
  
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Cut w1 jumper wire to expand tx on all bands
  
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AM selectable by holding [V/MHZ] button for 2 secs
  
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Crossband repeat, set desired freqs press [VHF MAIN] [UHF MAIN]and 
[SET] simultaniously.To deactivate press [SET] for 2 secs
  
There is also a remote access feature but its lengthy and I hate typing.
 
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