I have a question about how the display behaves on the O II when the
RX-366 is installed with 2.4 kHz, 6 kHz , and 600 Hz Hz roofing filters
installed. Everything works as it should, but the display has a slight,
minor bug in it.
I have performed the RAM clear and full Master Rest sequence.
Basically, whenever I have selected either LSB or LCW (the CW mode I
prefer because of my long experience with the TS-930S) as I decrease the
BW, I never see the to filter BW bar get narrower than the 2.4 kHz
width. It will expand to the 6 kHz width and shrink to 2.4 kHz, but not
to 600 Hz. The same is true if I have LSB selected. for all other modes,
it behaves as expected. If I switch modes from either LSB or LCW while
in the narrowest roofing filter setting, a phantom red roofing filter
line is left where the USB/UCW filter display had been. As soon as I
increase the BW to greater than 2.4 kHZ, the phantom red line vanishes.
If I leave the radio in the nawrrowest setting, when I turn it on, the
roofing filter selection displays correctly, but once I increase the RX
bandwidth beyond 600 Hz, the roofing filter display widens (as it
should) but never shrinks again.
The filter I have in the 600 Hz slot is really the INRAD 500 Hz roofing
filter, in case that makes a difference.
OS is 3.033xd, DSP is 2.11b410
Has anyone else seen this?
Kim N5OP
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