Too often you see an overdriven signals on the digital sub-bands multiple audio sidebands on PSK, splatter from overdriven MFSK and RTTY. The last step is usually needed to insure that the settings are not lost when the operating system is closed and restarted. The waterfall palette used is 'default.pal', and the received signal is about 20 dB above the noise floor.Īpply and save the changes. The three signal views should be similar to this with the level/range controls set to -20 and 70 respectively. Remember that changing the WF/FFT/SIG level and range controls DOES NOT effect the decoder signal path. You can then proceed to adjust the waterfall/fft appearance when you have the audio Rx level adjusted correctly. The colors can be set to suit the users' color vision. The default settings will be good for most users. The transition levels can be adjusted on the 'Signal Level' configuration panel. RED - signals too high, danger of decode errors YELLOW - signals level high, but still OK The diamond indicator to the left of the fldigi AFC button will be colored as follows: The peak signals do should not exceed the upper/lower gray lines on the display. Make sure that the input gain controls are not set too hot. Then set the transceiver to an active portion of the digital band 14.070 MHz for PSK or 14.074 MHz for JT type digital signals.

Adjust the audio path gain transceiver audio, external audio codec gain, and operating system gain for a noise level that is about -50 dB on the VU meter. Set your transceiver to a portion of the band with no signals 14.065 MHz might suffice. This step often fixes the 'No Audio Device Installed or Found' error on Windows PCs.If your sound card a/d (also referred to as codec) is functioning correctly there should be no signal offset and the signal will be centered vertically about the x-axis. When your PC starts again, it will automatically look for and install the missing audio driver. Right-click on your audio device in the Device Manager.Ī new window will pop up asking for confirmation, click Uninstall. Right-click on your audio device again, but this time select Update Driver.Ĭhoose Search automatically for updated driver software to find and install any new drivers. If it's disabled, right-click on it and select Enable Device. Look for Sound, Video, and Game Controllers and click on it to see the devices.įind your audio device in the list. Go to the Device Manager (you can find it in the Start Menu). Here's how you do it: Step 1: Check Your Audio Device Sometimes the audio driver might need a fresh install to work properly. If it’s a Bluetooth device, pair it again with your PC.

If it’s a USB device, try a different USB port. If your audio device isn’t showing, check the connections. In the same Device Manager window, right-click on your audio device under Audio Inputs and Outputs. If the audio device is disabled, you can enable it easily: If not, click on the Start button.Ĭlick Apply and then OK to save any changes. In the new window, look for Startup Type and make sure it is set to Automatic.Īlso, check if the Service status is Running. Once you find Windows Audio, right-click on it and select Properties. You can press the letter W on your keyboard to quickly jump to services starting with the letter W. We'll start by checking if the Windows Audio service is running properly:Ĭlick on the Start Menu (the little windows icon on the bottom left corner of your screen), type services, and then press Enter.Ī new window will open showing a list of services. So, let's march forward and reclaim the audio realm that rightfully belongs to us! Check Windows Audio Services By the end of this tutorial, the sweet sound of resolution will echo through your speakers, marking a victorious end to the silence imposed by this error. Fear not! This piece serves as a beacon, guiding you through a step-by-step method to resolve this common but vexing issue. However, encountering the “No Audio Device Installed or Found” error can throw us off balance, hindering our smooth sail through the digital sphere. Navigating through the digital space, audio output is a crucial element that enhances our interactive experience on Windows 10/11.

Fldigi port audio device not available