Apparently the KPA-500 includes the ability to operate in a CAT
pass through mode (like the P3) with Elecraft and Kenwood rigs
(see Menu items RS232 P, RS232 X, RADIO, and SER POLL).
*UNFORTUNATELY* the Kenwood configuration is not documented in the
KPA-500 Owners Manual (unlike the Icom "band voltage" and Yaesu BCD
control configurations).
It would greatly assist non-Elecraft owners if the KPA-500 Owners
Manual included explicit diagrams and configuration settings for
Icom, Yaesu and Kenwood (RS-232 CAT ONLY) transceivers along the
lines of Figure 4 on page 13 for the K3 using "KPAK3AUX Cable and
Separate Key Line".
Without documentation (including information showing if RTS/CTS is
passed through from the transceiver as expected by Kenwood rigs
or whether the KPA-500 provides a CTS "pull up" on the RS-232 (XCVR)
jack) from Elecraft or access to a KPA-500 for "hands on engineering"
it is not possible for third party suppliers to provide any support
for (Kenwood) configurations that include KPA-500/KAT500 .
73,
... Joe, W4TV
On 2019-03-06 8:00 PM, Jim Brown wrote:
The KPA500 and KAT500 both detect transmitting frequency with as little
as a tap on the mic or a dit at 35 wpm, and switch almost
instantaneously. All they need is PTT (Amp Key) from the rig to an RCA
jack that loops through the KPA500 to the KAT500 with an RCA-RCA jumper.
That "loop-through" allows the KPA500 to prevent auto-tuning while the
power amp is active. The KAT500 has three operating modes that can be
programmed from Elecraft's control program -- Auto, Manual, and Bypass.
In general, the KAT500 remembers the last settings you used the last
time you were on that band, and for which of the three outputs.
73, Jim K9YC
On 3/6/2019 12:37 PM, Joe Subich, W4TV wrote:
I have
no information about adding the KPA500/KAT500 into the mix as I
do not know if/how the KPA500/KAT500 acquires frequency/band data
from the TS-480.
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