Knut,
The KAT500 in manual mode will recall the tuner settings that were last
used for a particular band segment and antenna.
Hence the strong suggestion that you "train" the KAT500 - set it to AUTO
and do a TUNE on each band segment and each antenna that you intend to
use for that band segment. You do not have to repeat that unless you
change antennas.
Once that is accomplished, put the KAT500 into MANUAL - it will not auto
tune, but it will recall the settings for that band and antenna
automatically.
If you leave it in AUTO mode, there is a chance that it will detect a
false high SWR and attempt to tune when you transmit.
73,
Don W3FPR
On 8/11/2016 12:47 PM, ab2tc wrote:
Hi Don & Alan,
Without the KAT3 present the ATU TUNE button has no effect other than
displaying the "NO ATU" message briefly. This goes for both tap and hold. As
you say, use the TUNE button to generate a medium power (set by "TUN PWR" in
config) carrier. This will cause the KAT500 to recall a stored setting or
tune if necessary if in AUTO mode. It's a little murky to me under what
circumstances it will tune if in MANUAL mode, but it will usually at least
do a recall of stored setting if it has one.
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