Rich,
>From the serial number you provided I can tell you it is a K3 not a K3S.
The S3 model number you gave is the model number of the matching speaker.
Also, you say it has a USB connection not a RS232 connection. This tells me 
that it has been upgraded with the KIO3B option.
Does it have the 2nd receiver?
As to other options and filters it may be easiest to take the top cover off and 
look inside.

73,
Mark, WB9CIF

-----Original Message-----
From: [email protected] <[email protected]> On 
Behalf Of Richard Clemens
Sent: Tuesday, October 22, 2024 20:12
To: [email protected]
Subject: [Elecraft] Assistance with learning about an Elecraft S3 needed

I recently acquired an Elecraft S3 radio #8179, panadaptor plus external 
speaker from a SK.

I need to come up to speed with the operation of the radio, features and what 
modules are installed. From the outside it has the USB connection so I realize 
it has been updated from the original.  I undeerstand it has a configuration 
that I should backup and lots more.

I do have a stack of manuals and a collection of cables plus many years as a 
ham but little experience with Elecraft. Any suggestions are welcome!

--
Rich Clemens
[email protected]
[email protected]
Cell 304-439-8421
VoIP 304-878-5600
HH   5189
HoIP 100364


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