The Receiver Panel is the most complex control panel.
The main selection controls for SDRs/frequency bands and modes are shown below.
| Receiver Panel Mode Selections | |
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SDR and Band Profile Selection dropdown menu |
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Audio Decoder Mode Selection buttons |
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Digital Decoder Mode Selection dropdown menu |
| Mode Selection Information | OpenWebRX+ Audio and Digital Modes |
| Receiver Panel Controls | ||
|---|---|---|
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New Bookmark The button on the upper right pops up a bookmark entry dialog: 
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Manually enter the name. The frequency and modulation type (including digital) are auto-filled but can be edited prior to saving. Saved bookmarks are displayed above the frequency scale: 
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Tuning Step The button resets the tuning step to 1Hz. Drop-down box provides a set of tuning steps to select from. |
Use the drop-down box to select the desired tuning step. From 1Hz to 50kHz. This sets the frequency step used when scrolling the mouse wheel or when using the tuning buttons. |
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Waterfall Colors Button auto-adjusts waterfall colors. Slider adjusts waterfall minimum level. |
Slider adjusts waterfall minimum level affecting colors. Control-Right Click on the button toggles auto color levels on/off. |
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Waterfall Colors Button resets waterfall colors to the default. Slider adjusts waterfall maximum level. |
Slider adjusts waterfall maximum level affecting colors. |
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Audio Level Button mutes/unmutes audio. Slider adjusts the audio level. |
Slider adjusts audio level. |
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Squelch Button auto-sets squelch. Slider adjusts squelch level. |
Slider adjusts squelch settings. |
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Noise Reduction The button toggles noise reduction on/off. |
The slider adjusts the amount of noise reduction. |
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Display Range Controls + and − buttons zoom the waterfall in/out one step. ⤚⤙ zooms in maximum and ↔ zooms out maximum. |
The Sinusoid button turns on signal strength display which can be seen just below the row of buttons. REC button starts audio recording. Signal level is along the bottom. |