KCAT Users Manual  1.1
KCAT Users Manual - Version 1.1

Table of Contents


Kachina Universal Computer Control Program

This is a computer control program for the Kachina 505DSP transceiver. The program is supported on the following operating systems:


First time setup


You will need to select the serial port to which your transceiver is connected. This screen capture shows the ports on one of my Linux systems. Windows would list the COM ports that are installed (and not currently in use).

Select TEST if you want to test drive the program without actually connecting to the 505. If you do select TEST this dialog will appear every time you start the program. The program will attempt to use the last used serial port when starting after a satisfactory operating session.


The program allows you to control many aspects of the user interface including fonts, foreground colors, background colors, lighted button colors, and the Scheme (general appearance of controls). Here is an example of a possible set of user choices:


After you become familiar with the various controls you will probably want to turn off the tooltips. Uncheck the "Enable tooltips" menu item on the "Config" menu.

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Operating Controls


The frequency display is also a control. Each numeric is sensitive to mouse left/right buttons for up/down and to the mouse scroll wheel for rapidly changing values. Click on any of the numeric segments and you can enter a new frequency using the keyboard numeric keypad. If you make an error simply enter a non-numeric key (press the Esc key). Use the period key to separate the kHz from the Hz value. Set the newly entered frequency by pressing the Enter key.


The second image shows the tool tip for the frequency control

Vfo-A and Vfo-B are separate controls, A on the left, B on the right.

When the mouse pointer is over the frequency display you can also change frequency values using the arrow and page key buttons:


These buttons control how each vfo is used

Each "vfo" consists of the frequency, mode, bandwidth triad.


The active vfo triad can be saved to the vfo list using the [|>] button, the selected vfo triad can be deleted from the list using the [X] button, and all of the entries can be deleted using the [ ] button


The buttons that have a light box are toggles - activated when the lighted box is colored. Some of these are linked to a slider. If the button state is inactive then that associated slider will be greyed out. In the example the volume control is active and the RIT and IF shift controls are inactive. The volume slider will be greyed out when the Spkr button is not illuminated. Sliders can also be adjusted using the mouse wheel when the mouse cursor is over the intended control.

CW Keyboard

Open the CW Keyboard from the Utils Menu CW Keyboard

Connecting kcat to FLDIGI


Xmlrpc is used via a local socket device for the two programs to communicate. FLDIGI acts as the server and kcat the client. There is no requirement for start / stop ordering of the programs. Your local firewall should be set up to allow FLDIGI access to the socket address.

kcat sends rig configuration data to FLDIGI when the two programs initially recognize each other. This data is used to populate the rig name, the available modes and the available bandwidths.

After this initial communications the operator can set the paired controls from either FLDIGI or kcat. The two programs will remain synchronized.

PTT can be activated at kcat or using the T/R button on FLDIGI. FLDIGI also engages the PTT via the macro <TX> <RX> tags. When operating digital modes with FLDIGI you need to use the PTT from FLDIGI.


Access to additional controls is obtained by pressing the down-arrow button.

PTT - can be selected via the h/w PTT line, the PTT dialog button, or from a support application such as FLDIGI.

Tune - command the internal antenna tuner to tune to the current frequency and antenna port.

A/T - turn the automatic antenna tuner on and off. Pressing Tune will place the A/T in the On condition

Carr - transmit a carrier at the AM carrier level.

Antenna Ports


You can set the antenna combinations of A/B, Rx/Tx to be used with various frequency bands. The menu item Config / Antenna Ports provides access to the set up dialog. You can also over ride those settings by choosing from the Ant: table pick list. details on antenna port selection and setup

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