Client mode for wl-500g P ?

[P Still]

How could I set the wl-500g P in Client Mode ?
In wl-500g it was possible but I haven't seen any way of doing it with
wl-500g P.

[NikolaPP]

i have a same problem , the input signal is damn low
see:
http://img91.imageshack.us/img91/7250/aaggg3sj.gif
distance 50m , i see direct AP...
Does have any solutions for this problems?