Sync Your Xiegu G90 To The HDSDR

Things You Will Need To Sync Your Xiegu G90 To The HDSDR

1. Omnirig
2. 3.5mm audio cable
3. Stereo Audio Adapter or External Sound Card with a line in

If you already have a line input on your PC, then you will not need the stereo audio adapter.  Some computers, depending on what brand and how old they are, have a mic and line on the same input on the back of your PC. It will give you the option to choose a mic-in or line-in from a pop-up menu.  If that’s the case, make sure you select the line input option “NOT MIC.”

A CAT cable will be included with your Xiegu G90, but you will need to look for one on eBay if you don’t have one. If you have one, connect it to your PC’s USB port via the CAT control on the Xiegu G90’s head.

You will need a 3.5mm audio cable should have left and right stereo on both ends. One is available on Amazon here.

One end of the cable must be connected to the G90’s IQ on the back, and the other end must be connected to the PC’s line input for it to function. (Do Not Use The Mic Input; It Could Damage the Radio’s IQ Port.) Your PC must have a stereo input.  Avoid attempting to use your computer’s microphone input.

This will require a stereo audio adapter or an external sound card with a line input if your computer does not have one (do not use the mic input). You can purchase it here on Amazon.

Now, let’s sync your Xiegu G90 to the HDSDR

In the HDSDR software, click Options, then Cat to Radio, and finally click Setup to configure (Omnirig) for the Xiegu G90 on the HDSDR.

Choose IC 756 Pro under Omnirig Rig Type, followed by the COM Port it is utilizing. Check what port your CAT cable is using in Device Manager. It won’t function unless you choose the same bandwidth rate as the port. Put the number of stop bites at 1. Put both the DTR and the RTS on low.
Set Timeout and Poll Int to 100. Click OK after that.

Hover your cursor over CAT to HDSDR, then select the port Omnirig is using by clicking Options in your HDSDR again.

Back in options now, click Swap I and Q channels for RX input after hovering over input channel mode for RX.

Click on the RF front-end configuration after returning to the options. Select SDR if the output is Omnirig-controlled. Make sure full synchronization in both directions is selected if you want the radio to control the HDSDR and the HDSDR to control the radio. Then click OK.

Back in options, hover over Cat Radio (Omnirig), and select sync rig 1. That is it. Press start on the HDSDR, and your G90 should be synced and working.

Your G90 For Transmit Settings

Click on the TX for the Omnirig that you’re currently using. After that, click back on the TX, then hover over to mute the RX audio on TX.