[Kenwood] TS 850 and optional filters

[Jorge Diez - CX6VM]

Hello,
I have a TS850SAT and i am installing the optional filters i have in
another radio, YG-455C-1 for CW and YK88SN-1 for SSB.

I notice I must match the number of the filter switch inside top panel.

For YG-455C-1 i swith on the #1 switch and seems is working OK, pressing
the 455 button in the fron panel of the radio changes from  12k, 6k,
2.7k and 500

I don't figure out wich switch must i turn on to activate the YK88SN-1

Thanks in advance

73,
jorge
CX6VM

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