I recently upgraded my K3 with the new K103B that provides a USB connection,
eliminates the need for an external PC soundcard and retains all of the
original RS232 functionality. I have an Edgeport USB to RS232 four port box
providing RS232 connectivity to the K3, the amplifier, and rotator
I am in need of a KXV3A I.F. out board for K3. If you have one to sell, I am
interested in purchasing from you. You can reach me at K6LEN@ARRLnet or
310-261-6696. Tnx
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For the record, the error message refers to the KAT500, not the KPA500. The
issue is caused by a device pulling down the Auxbus because it is powered off.
You may see it with just about any device that uses this communication bus,
except the KPA500.
Quite simply, the KPA can talk on the bus,
Stewart,
The message really means, "Something of sufficiently low impedance to
common is attached to the auxbus, holding the auxbus line at a logical
low. Turn on the device if it is off -- this is the most common cause
of the problem -- or disconnect the device from the auxbus."
The
Stewart,
It sounds like you have the XV144 JP7 jumpered and not JP8 - otherwise
you would not be able to power the XV144 on/off with the front panel switch.
With the jumper on JP8 and none on JP7, the XV144 will power itself on
when you select the 144MHz band (actually the K3 TRN address that
I have a K3 connected to an XV144 in the preferred configuration shown
in the manual with the AUX port used for band switching.
Occasionally I find that with the XV144 powered down the K3 hangs
complaining that the KPA500 needs to be turned on. I can cure this by
powering on the XV144 or by
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