[WriteLog] Voice Keyer <-> Heil Headset

Sun Jan 18 15:41:31 EST 2004

 Hi Rick,
 I believe you should plan on running your heil directly to the computer.
If the computer is far away, you may want to wire in an appropriate
extension from your interface to the mic input of the soundcard.
 If you wire it up this way, then when the voice keyer is active, the mic
will be muted, and you can yell for food all you like, unless of course if
you want all of us to get some food for you, in which case just press the
footswitch and yell... and we'll all hear you on 20m.
 If you go to this link, the writelog authors provide a nice diagram, which
should be your starting point. http://www.writelog.com/support/wlso2r.pdf
 If you actually play around with everything with your soundcard control
program open, you'll see exactly how writelog manipulates and controls the
soundcard. Pure genius!!!
 73 and good luck.
 Dean -- 8P6SH
 ----- Original Message ----- 
 From: "Rick Mintz" <Rmintz at Rochester.rr.com>
 To: <writelog at contesting.com>
 Sent: Saturday, January 17, 2004 12:08 PM
 Subject: [WriteLog] Voice Keyer <-> Heil Headset
 Hi Gang,
 I am building a WL interface box for RTTY and SSB to my PC, with the
 appropriate FSK, CW, PTT switching circuits and audio isolation
 transformers.
 As part of this project I know that when the WL Voice Keyer is
transmitting
 the Heil (Heil BM-10 headset) mic is also active. (How can I yell for
food!)
 Anyone tell me a way that WL or a ComPort signal that WL activates can be
 used to mute the Heil microphone line?) The mic is feeding into the sound
 board to give the audio boost that a Heil requires with an Icom 765 rather
 than using an outboard Heil<->Icom preamp.)
 Thanks for any guidance.
 de Rick, W1TY
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