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[RFI] K3 and KX3 User Interface

To: rfi@contesting.com
Subject: [RFI] K3 and KX3 User Interface
From: Jim Brown <jim@audiosystemsgroup.com>
Reply-to: jim@audiosystemsgroup.com
Date: Fri, 21 Feb 2014 22:54:50 -0800
List-post: <rfi@contesting.com">mailto:rfi@contesting.com>
On 2/21/2014 5:30 PM, wa3afs@nycap.rr.com wrote:
I do find the K3 and KX3 a little daunting when it
comes to finding something in the menus.

I'm a real OT, got started in 1955, and I've used a bunch of radios. I've owned and used radios like the FT100D, IC7000, and IC746 where you need to go deep into menus to do ordinary things. The Elecraft radios are not like that. Everything you need for day to day operation is on the front panel. There are knobs to set the IF bandwidth, to shift the IF, set the RF and AF gains, turn the preamp and attenuator on and off, set mic gain, tune RIT and XIT, tune the 2nd VFO, set the power out, mic gain, keying speed, and so on. If you're in the menus with these radios to do operational things, you haven't RTRM.

Menus in Elecraft radios are used almost entirely for configuration and setup -- do you want to use a mic on the front panel or at the rear panel, telling the radio what roofing filters are installed, whether it has a tuner or power amp installed, what the speed is for the serial port, and so on. You also need a top level menu to set VOX sensitivity. Once you've set the radio to work the way you want it to, everything you need is on the front panel.

RTFM is a simple solution, and it's a decent manual. I'm a VERY active contester and DXer, and I can go for a month without touching a menu unless I change my setup.

Is the user interface a bit different from the JA radios? Sure -- the JA radios are different from each other, and Ten Tec is different from all of them. But Elecraft's differences have excellent human engineering, are geared to the fact that the box is smaller, so there are fewer knobs on a smaller front panel, so fewer knobs must do more, and most knobs (and buttons) have multiple functions depending on whether you give them a short push or a long push, and on what mode you're in. And nearly all those functions are silk-screened onto the front panel!

For example, one knob is Mic Gain in SSB mode and CW keying speed in CW mode. Another sets output power, compression in SSB mode, and monitor volume (CW sidetone), and you push the knob to cycle between those functions.

Right after the K3 went into production, it went on the VP6DX trip to a remote island, and the trip leader, K3NA, spent 16 minutes talking through the radio with the operators. With only that short training, all of them found radios they had never seen before very easy to operate.

Another advantage of these radios for ARES is that they are very stingy about using power -- the lead designer (and owner) N6KR, got started designing backpacking radios -- so they are the ideal radio to have around when we need to get a lot of operating hours on batteries.

73, Jim K9YC


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