Ron,

I thought that the MD 522 had two sets of 85 hz shift, not 85 and 850 shift. Or is that another choice?

73, 

Duncan 
K2OEQ 

Sent from my Kleinschmidt TT-4/TG, the US Army's first portable digital communications device, 1950-1980


-------- Original message --------
From: [email protected]
Date: 11/16/23 23:33 (GMT-05:00)
To: [email protected]
Subject: [GreenKeys] Tri-tone RTTY

The MD-522, which I use from time to time and several also use on our RATT net, can use dual tones.  There is a diversity front panel setting that adds 85 Hz shift to the 850 shift.  John K9WT and I have used it for a demonstration once.

 

Ron Boltz

K3TZJ