[ICOM] ICOM HM-56 Mic. Stuck on Xmit - a fix

[W4ABW at aol.com]

Does that ICOM mic (HM-56) also contain a battery ? Someone once told me it  
had a bat and that could also cause the mic to key up the rig  erroneously if 
the bat was low. 
 
Al
W4ABW