[Yaesu] How do I install the 500Hz filter in my FT-990 DC?

[Dave Wright - N8IT]

It is easy to install filters in the 990 since you can just unplug the 
filter board from the rig.  The hardest part of the job is taking the cover 
off the rig!   Once you have the rig open you will see that the 
instruction book has more than enough detail to do the job. 

I installed the 2000Hz filter and I put a 500Hz filter in place of the  
250Hz filter in my 990.   

73 de dave
--
David Wright - N8IT
dave@freeway.net

On Fri, 28 Nov 1997, JakeCart wrote:

> I have an FT-990 DC with no cw filters.  I want to install the Yaesu
> XF-109C filter in the rig.  The operating manual gives some brief
> instructions, along with some small pictures, but is not very descriptive. 
> Does anyone have any tips on how to install this filter and any advice on
> pitfalls I should avoid?
> 
> Thanks,
> 
> Jake -- N4UY
> 
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