[Yaesu] [Fwd: FT-901D with External Electronic Keyer]

[David G. Maley]

Don;
Do you know what kind of output your keyer has?  Relay? Open Collector?
You may need a small buffer relay bewteen the two pieces of equipment.
Good luck.
Dave
WA0ZZG


On Fri, 25 Oct 2002, CARLSON wrote:

> 
> 
> -------- Original Message --------
> Subject: FT-901D with External Electronic Keyer
> Date: Fri, 25 Oct 2002 07:49:31 -0400
> From: CARLSON <carlson@hargray.com>
> To: yeasu@contesting.com
> 
> 
> 
> Fellow Hams,
> I sent this message yesterday but apparently it did not make it. Forgive 
> me if this is dupe. I am new to this reflector but have been on the 
> Collins for many years and know there is a wealth of experience and 
> information available on the reflectors.
> I recently acquired a FT-901D, no built in keyer,  from a ham just too 
> old to operate any longer. Cosmetics are good and the only function that 
> does not operate is the Reject/Width  but that's for another day. Here 
> is my present problem as I work CW almost exclusively have had an MFJ 
> Electronic Keyer for over twenty years. I have used it on Collins, 
> Drake, Kenwood and an FT-102 with no problems are need for modification. 
> The output from the keyer is phono plugs.. That leaves only two Keyer 
> circuit wires available to the three position plug into the FT-901D. I 
> have tried every wiring configuration possible using the two wires from 
> the Keyer to the Transceiver three conductor plug. When turing the 
> transceiver keyer switch to MAN, I get either a constant key down or 
> nothing depending on the wiring configuration. A straight hand key works 
> fine.
> I am out of options and help will be greatly appreciated. Thanks.
> 73, Don Carlson, K4KI
> 
> 
> 
> 
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