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General| Brand | Spectrum |
|---|---|
| Model | DSP M2 |
| Category | Test Equipment |
| Language | English |
Configure touch interface and link transceiver/receiver.
Link to a YouTube video demonstrating touch interface operation.
Information on radios compatible with the Spectrum DSP.
Using Spectrum DSP with Xiegu G90 transceiver.
Using Spectrum DSP with Elecraft KX3/KX2 transceivers.
Connecting Spectrum DSP to classic radios via IF signal.
Activating SDR offset for optimal receive quality.
Adjusting audio volume and AFG/AGC settings.
Adjusting RIT, selecting modes, DSP, and filters.
Main, RIT/Tuning, and Band displays.
Mode indicator and controls for display zones.
Setting time/date and understanding the S-meter.
PO, SWR, AUDIO, ALC meter functions.
VCC, Trace status, and frequency step adjustment.
Options for display modes and smoothing filters.
Audio output for headphones or speakers.
Connectors for CAT, PTT, power, firmware, and IQ signal.
Behavior upon powering up and receiving.
Control lock during transmit.
Functions of F1-F5 buttons in normal mode.
Navigation buttons within the menu system.
Controls for AF Gain, Sidetone Gain, TX Compression.
Controls for RF Gain, DSP, and Noise Blanker.
Receive Incremental Tuning adjustment.
Controls for Words Per Minute and Mic/Line Gain.
Switching adjustments between receive and transmit.
Settings for DSP noise reduction and automatic notch filter.
Warning about potential radio stalling with specific DSP settings.
Basic operations for receiving signals.
Steps for setting up SSB transmit audio.
Notes on using AM transmission.
Side effects of frequency translation mode on display.
Important notes and behavior of TUNE mode.
Connecting paddles and keyers for CW.
CW-specific menu items for paddle reverse, delay, sidetone.
Key notes regarding menu operation and saving settings.
Overview of different menu categories available.
DSP NR Strength adjustment.
Settings for CW and SSB filter center frequencies.
Enabling FM mode, setting deviation, and receiver bandwidths.
Settings for subaudible tone generation, detection, and tone burst.
Setting AGC modes and RF Gain.
Custom AGC settings and RX Codec Gain.
Selecting Mic/Line input and setting gains.
Adjusting ALC release time and pre-ALC gain.
Adjusting transmitted audio compression.
Selecting CW keyer mode and speed.
Adjusting CW sidetone and frequency offset.
Paddle reverse and transmit-receive delay settings.
Modes for receiver offset and frequency display in CW.
Adjusting scope update rate and applying filters.
Settings for trace color, grid color, and scale color.
Magnify mode, AGC adjustment, and amplitude settings.
Setting center line color and scope/waterfall display mode.
Selecting color palettes for the waterfall display.
Adjusting waterfall update speed and brightness.
Adjusting waterfall contrast and update speed.
Adjusting the spectrum scope's 'no signal' baseline.
Adjusting waterfall brightness and size.
Rig model, CAT settings, IQ mode, band definitions, TX controls.
Settings for Receiver gain, Beep options, and CAT mode.
Frequency tuning limits and waterfall display settings.
Setting transverter multiplication factor and frequency offset.
Adjusting DSP NR buffer length and filter taps.
Determining if DSP NR occurs before or after AGC.
Inserting audio bandpass filters for AM/SSB transmit.
Pre-processing spectral data using FFT windowing.
Notes on adjusting DSP noise reduction strength.
Notes on DSP notch filter operation and parameters.
IQ sensitivity specifications for different bandwidths.
Spectrum Scope and Waterfall display descriptions.
Handling of clipping and distortion with strong signals.
Available TX/RX modes, FM options, CW details.
Audio filters, DSP, S-meter calibration, and external connections.
Allowed operating voltage range.
Receive and power-off current consumption.
How ALC monitors and controls transmit power.
Descriptions of SWR, Audio, and ALC meters.
Adjusting audio level for SSB transmit.
Adjusting CMP using numerical settings.
Manually adjusting parameters when CMP is set to SV.
Explanations of key parameters and meters.
Setting ALC release time for compression.
Warnings regarding audio levels and RF meter readings.
How AM bandwidth filtering operates.
The zero-hertz hole issue when Frequency Translation is disabled.
Adjusting AM RX IQ balance to minimize tweet.
AM transmission requirements and behavior.
Key points to remember about AM operation.
Important notes, warnings, and enabling FM mode.
Describes Narrow/Wide deviation modes and receiver bandwidths.
Settings for subaudible tone generation and detection.
Enabling tone burst and understanding squelch/tone indications.
Observing startup, enabling Frequency Translate, and calibrating frequency.
Adjusting IQ phase/balance and additional settings like voltmeter/volume.
Notes for CW operators using lower sidetone frequencies.
Key function matrix for main operational modes.
Key function matrix for menu mode operations.
Notes on DSP NR impacting screen speed and LCD flicker.
Notes on signal breakthrough and Xiegu IQ output.
Description of IQ amplifier, DC-DC converter, speaker amplifier.
Requirements for connecting the Spectrum DSP.
Step-by-step connection instructions.
Information on noise interference in SDR systems.
Information on station breakthrough and filters.
Basic guide on how to use the Spectrum DSP.
Warning regarding powering up Xiegu G90.
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