Hi Joe
You are true that it looks like it should be on, but it loses something in
the translation :-)
I use my TS-450 all the time here in FSK and it's set to 'off'. Default is
on. 73
Tom W7WHY
> Hold down the 'm.in' key while turning on the radio.
>
> Check menu number 38. It should be set to 'off' for normal FSK.
If this is true (and I have no reason to doubt Tom), it is another
case in which a Kenwood manual provides incorrect information about
the operation of the radio. The Kenwood manual states that "ON"
represents a "closed" contact (switch "on") for Mark.
"When the FSK transmission key is shorted, you can change between
space transmission (off) and mark transmission (on)."
- TS-450S/TS-690S Instruction Manual, pg 53.
Almost every modern FSK interface provides an open collector FSK
output that is *closed* in Mark (pulled to ground) and *open* in
Space. This is the same as the "simple" transistor on the output
of a serial port or USB to RS-232 converter for those using EXTFSK
with MMTTY.
73,
... Joe, W4TV
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