Both of my K3S's do exactly the same thing here. Both are running F/W
5.66. I reverted one to a previous F/W (version 5.64) and the same
symptoms persisted. I did not measure the actual output with an external
Wattmeter; these are the values as reported by the K3 itself.
It's not a big deal for me but it certainly seems curious.
Mike, AB9V
On 2/2/2019 12:49 PM, Bob McGraw K4TAX wrote:
I've seen consistently that the 6M TUNE power on my K3S, s/n 10163
defaults to 16 watts. I have set the TUNE power at 20 watts and it
performs correctly on all bands except 6M. I've completed the TX
Power Calibration with the K3 Utility. All looks good there. I
have PWR Per Band set such that the KPA500 is driven correctly from
the K3S. The TUN PWR value as set in the CONFIG menu is 020 for 6M.
But when TUNE is pressed the VFO B display is 16 watts and the
measured output is 16 watts. On other bands, when TUNE is pressed
the VFO B display is 20 watts and the measured power is 20 watts +/- 1
watt. Also when the PWR is set to 100 watts, the 6M measured
output power is 100 watts +/- 10% This is measured using a known
good 50 ohm dummy load and two different power meters to confirm the
results.
MCU is 5.66, FPF 1.26, DSP1 is 2.88. I think these are current.
Not a big deal in any way but just curious as to why?
Any ideas?
73
Bob, K4TAX
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