In a message dated 9/17/2007 6:10:43 PM Eastern Daylight Time, 
[EMAIL PROTECTED] writes:

> Anyone know were the mute contacts are on the SX42

The muting contacts are Pins 5 and 8 on the octal plug (SO-1) on the rear 
chassis apron of the SX-42. There is probably a jumper between those pins now. 
Operation of the SEND/RECEIVE switch on the front panel removes the center tap 
of the power transformer HV winding, effectively removing the HV from the 
receiver.  When using a remote switch or relay, place the SEND/RECEIVE switch 
in 
the SEND position.

73,  

John,  W4AWM


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