[TenTec] Omni 545 10Mhz?

[w1dwz at fullchannel.net]

Perhaps one of you  old time TENTEC gurus that lived through the birth
cycle of this rig can help me.    It is a Model  545   S/N  0025  . 
Early production . 

The front panel has a 10.0 Mhz position on it  , but there is no
apparent  circuitry in the radio for  generating output on that band. 

Is there someone aboard the  net here  , that can advise me of sources
for obtaining materials / info / tips / etc on executing the necessary
steps to take to get this rig fired  up on  30 Meters.  

Thanks to anyone who can offer help   ,  in advance. 

73  Dave W1DWZ