The Kessler Engineering CX-Auto is a high quality CI-V controlled antenna switch that will handle you most demanding antenna switching needs.
- 8 selectable antenna connections available.
- Companion to the AT-Auto antenna tuner.
- May be controlled through the AT-Auto or stand-alone using DDUtil.
- Enab select this check box to use this feature.
- AT-Auto select this check box if the AT-Auto tuner will be used to control or in conjunction with the CX-Auto switch.
- DTR/RTS select one or both of these check boxes to power your CI-V adapter. Consult your CI-V adapter owners manual for details.
- Note; some adapters like the ICOM CT-17 have their own power source and don't require the DTR/RTS check boxes to be selected.
- Serial Port selects the port used to connect the CI-V adapter to the PC.
- Comm Data selects the appropriate baud rate and data properties to match your CI-V adapter.
- CX Addr selects the proper CI-V address to match the CX-Auto selected address as described in the CX-Auto owners manual. The options are B0, B1, B2 and B3 with B0 being the default.
- Clear button disconnects all coax outputs (grounds each port).
- Radio Buttons 0 - 7 press any button to select the matching port on the CX-Auto.
- You will also need a Serial to CI-V Adapter to convertt the RS232 serial data format to CI-V serial format used by the CX-Auto. You can use virtually any serial or USB device that meets the requirements defined by the Icom CI-V standard.
CX-Auto Stand Alone Operation
DDUtil provides the following methods to operate this switch.
- Automatic Band Following via the band data file (BCD tab).
- Macro Commands via macro buttons or F-Keys (Macro tab).
- Manual Selection of each coax port via GUI (Graphic User Interface) radio buttons (BCD tab).
Automatic Band Following
- Assign a macro number to each 100kHz band segment of the Band Data File you want to assign an antenna to.
- Note: the Macro field in the Band Data File must be zero (0) if no macro is assigned.
Freq Data Macro ---- ---- ----- 1800 1 10 1900 1 10 2000 1 10 3500 2 11 3600 2 11 3700 2 11 3800 2 11 3900 2 11 4000 2 11 more...
- Select the Enable check box on the Ports tab under Data Signals.
- Note: Make sure one the parallel ports is selected (<>None) even if you don't have a parallel port or the feature won't work.
- Select the Enable check box on the BCD tab under BCD Device Setup.
- On the Macro tab create a macro defining which antenna port (0 - 7) you want selected for this band/segment using the DDKS macro command as follows:
- DDKS01; will select port 1 on the switch.
- DDKS02; will select port 2 on the switch.
- Note: the command DDKS08; un-selects ALL ports.
- Using the same macro(s) as defined above manually execute the desired macro using a macro button or the appropriate F-Key.
Manual Selection via GUI
- On the BCD tab in the CX-Auto group select the desired radio button for the port desired.
CX-Auto Operation with the AT-Auto Tuner
Automatic Band Following
- See the CX-Auto owners manual for setting up the AT-Auto tuner to control the CX-Auto antenna switch.
- Pay particular attention to operating manual section 18.104.22.168, configuring the CI-V Tx Enable internal jumper. It must be shorted or the AT-Auto will not control the CX-Auto switch.
- Caution! If you setup the AT-Auto to control the CX-Auto do *NOT* use the DDUtil band following feature also or unexpected results can/will occur. You can only use one or the other for band following, not both.
- However, you can use the macro or manual CX-Auto features in DDUtil to over-ride the AT-Auto setting of the CX-Auto switch. Like switching from one antenna to another to compare signal strength.