Help / Info / Update check

Start/Stop HDSDR

Minimize HDSDR

Exit HDSDR

Exit HDSDR without saving settings

Open sound card selection dialog

Open sampling rate dialog

Open Options menu

Open 'RF frond-end frequency options'

Open 'Calibration Panel'

Open 'Recording Settings and Scheduler'

Open 'DDE to HDSDR' options

Save HDSDR Settings

Full Screen

Boss Key: Pause Wave, Mute & Minimize

Switch between RX and TX

Swap position of Waterfall/Spectrum

Swap position of RF/AF Display

Collapse Mode (only upper Display)

Compact Mode (without RF + AF Display)

Save HDSDR screen to image file (Screenshot)

Save current RF Waterfall to image file

Save current AF Waterfall to image file

Save independent RF/AF Waterfall to image file

(Re)Load Custom Color Palette

Zoom RF Spectrum

UnZoom RF Spectrum

Zoom to bandwidth in kHz

Reset RF Spectrum Zoom to full bandwidth

Increase RF FFT Resolution Bandwidth (RBW)

Decrease RF FFT Resolution Bandwidth (RBW)

Zoom AF Spectrum

UnZoom AF Spectrum

Reset AF Spectrum Zoom to full bandwidth

Increase AF FFT Resolution Bandwidth (RBW)

Decrease AF FFT Resolution Bandwidth (RBW)

Speed divider between RF Spectrum and Waterfall

Speed divider between AF Spectrum and Waterfall

Switch Mode to AM

Switch Mode to CW

Switch Mode to DIG

Switch Mode to ECSS

Switch Mode to FM

Switch Mode to LSB

Switch Mode to USB

Set AFC carrier inactive duration - after (frequency/mode) changes

Set AFC carrier search range for AM/ECSS modes

Change Mode Bandwidth

Fast frequency input

Enter new Quick Tune frequency (auto LO)

Enter new LO frequency

Enter new Tune frequency

Set LO frequency on tuned frequency (to be considered LO<->Tune Offset)

Lock/Unlock LO Frequency

Lock/Unlock Tune Frequency

Switch between LO A and B

Frequency Manager + Bands

Increase LO frequency by visible spectrum bandwidth

Decrease LO frequency by visible spectrum bandwidth

Select frequency Band

Select frequency Step

Increase Tune frequency by Step

Decrease Tune frequency by Step

Increase LO frequency by Step

Decrease LO frequency by Step

Enter new Locut frequency

Enter new Hicut frequency

Increase Locut frequency

Decrease Locut frequency

Increase Hicut frequency

Decrease Hicut frequency

Change Mode Bandwidth

Mute on/off

Volume

Lock/Unlock Gain (AGC-off)

Change Squelch value

(temporary) disable/enable Squelch

NB – Noise Blanker RF

NB – Noise Blanker IF

NR – Noise Reduction

select Additive Noise Generator

Increase NR, NB_RF, NB_IF, CWpeak, RF gain, IF gain, FM BandWidth,...

Decrease NR, NB_RF, NB_IF, CWpeak, RF gain, IF gain, FM BandWidth,...

AGC (fast/mid/slow/off)

change Gain / AGC-Threshold fast

change Gain / AGC-Threshold slow

AFC - Automatic Frequency Control

Set AFC carrier search range for AM/ECSS modes

Set AFC carrier inactive duration - after (frequency/mode) changes

Manual Notch Filter (Beat Cancel)

Change manual Notch Filter bandwidth

Automatic Notch Filter (Auto Beat Cancel)

CW ZAP

CW Peak

CW Despreading

Change CW Pitch frequency

TX mode: Switch CW carrier tone on/off

select I/Q Gain (I/Q output only)

Disable Audio LoCut (=Highpass Filter) for AM/FM (useful for slow digimodes)

FM Binary Discriminator (not for listening!)

select RF Gain (ExtIO support required)

select IF Gain (ExtIO support required)

Show GUI of ExtIO-DLL (ExtIO support required)

Rewind WAV file

Jump to next WAV file (Multipart WAV file only)

Switch WAV file looping

Record WAV file  when AGC off, Gain locked and NR off,  then AF filename contains strength of full scale level

Play WAV file

Stop Playback/Recording

Pause Playback/Recording

Change WAV step size

Increase WAV file position by 'step size'

Decrease WAV file position by 'step size'

Fast WAV file demodulation & recording  - from one wave file   into another file - at maximum speed.  Sound output is deactivated.

switch TX tone generator mode