[Elecraft] K1-4 4 band version gone?

["Hjalmar Duklæt"]

I use the technique with the rubber band and change filter board in 5 minutes from I start to unscrew the first screw of the top cover. 
73 de Hal/la4xx
K1 2929

On 14-07-23 19:12, Mike Morrow  <kk5f at earthlink.net> wrote:
> 
> >> Changing band modules is a special pain for me 
> >> because installed the onboard tuner (which is 
> >> rarely used) into my K//1/
> 
> > The band module resides under the ATU board making 
> > such changes something not done without some 
> > strong motive.
> 
> Tom/N0SS described 14 years ago a simple technique that
> makes a filter board change when the KAT1 is installed
> much easier. He cut two segments from a thin rubber band
> and placed them inside the spacers that separate the KAT1
> and KFL1. He threaded the screw coming out below the KAT1
> PCB into each spacer with rubber strip in it. That keeps
> the otherwise loose spacers in place on the screw threads
> as the screws are turned during KAT1 removal/replacement
> for subsequent KFL1 swaps.
> 
> The K1 MCU remembers the frequency display calibration for
> each band that was set by OFS, using a new KFL1 requires only
> loosening the two KAT1 PCB screws, removing the KAT1 (the
> KAT1-KFL1 spacers will now remain on the screw threads as the
> KAT1 is pulled off), swapping the KFL1, replacing the KAT1,
> installing the K1 top cover, and assigning b1 and b2 to the
> new bands.
> 
> OK...so it's *still* a bit of a pain. But not having to mess
> with those two PCB spacers below the KAT1 is *major* improvement!
> 
> Mike / KK5F
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