SSB transmit issue after using K3 Utility

[Mike Scott-7]

Today I used the K3 utility to adjust a crystal filter gain.
After making the adjustment to the 500Hz filter and closing the utility I
had a QSO on 40M SSB. They reported that I sounded nasal and was very
difficult to understand. After a power-off reset transmit audio returned to
normal. I have seen this situation from time to time since I have owned the
K3. I suspect but don't have a way to tell that I was transmitting through
the 500Hz filter. Listeners said it was like I was off frequency but no
amount of tuning helped.

Filters are set up as follows:
Fil 1  13.00 KHz enabled for CW, FM, AM; with Tx FM
Fil 2 6.00 KHz  enabled for CW, LSB, USB, Data, AM; with Tx AM
Fil 3  2.70 KHz  enabled for CW, LSB, USB, Data; with Tx CW and SSB
Fil 4  0.50 KHz  enabled for CW and Data, no Tx
Fil 5  Blank, nothing enabled

K3-100 #508
Utility version 1.1.6.3, standard RS232 connection
MCU 02.38
FPF 00.02
DSP1 0.190


Mike Scott - AE6WA
Tarzana, CA (DM04 / near LA)
K3-100 #508/ KX1  #1311



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[Nelson Wittstock]

How did your voice sound when you used the Monitor function?

Nelson, K8DJC

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