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Recent RS-918SSB - User Manual

Recent RS-918SSB
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RS-918SSB HF SDR Transceiver
FEBRUARY 15, 2018

Table of Contents

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Summary

mcHF UI Element Naming Convention

mcHF Basic Screen Layout

Filter Box

LCD Touchscreen Functions

Extra Touch Actions

Key Press Map

Encoder 1 & M1 Button

Explains M1 button usage for selecting settings and values via Encoder 1.

Encoder 2 & M2 Button

Explains M2 button usage for selecting settings and values via Encoder 2.

Encoder 3 & M3 Button

Explains M3 button usage for selecting settings and values via Encoder 3.

UHSDR Quick Operating Guide

How to Operate the Menu

UI Menu Overview

Standard Menu (MENU_BASE)

Lists and describes parameters within the mcHF's Standard Menu.

Configuration Menu (MENU_CONF)

Parameters for configuring the mcHF's operational settings.

Display Menu (MENU_DISPLAY)

Settings related to the display's appearance and behavior.

CW Mode Settings (MENU_CW)

Configuration options specifically for the CW (Morse code) operating mode.

Filter Selection (MENU_FILTER)

Settings for selecting and configuring audio filters for different modes.

PA Configuration (MENU_POW)

Settings related to the Power Amplifier (PA) configuration and tuning.

System Info (MENU_SYSINFO)

Displays information about the mcHF's hardware and software components.

Debug;Exper. Settings (MENU_DEBUG)

Settings for debugging and experimental features.

Essential Calibration and Setup Steps

Touchscreen Setup

Procedure for calibrating the touchscreen interface for proper operation.

SWR;Power Meter Reverse;Forward Orientation

Instructions to set the correct orientation for the SWR/Power meter readings.

PA Power Calibration

Steps and requirements for calibrating the Power Amplifier (PA) output power.

Basic BIAS Adjustment for mcHF RF Board

Guide for adjusting the bias on the mcHF RF board for older firmware versions.

TX: RF Power Adjustment

Steps to set and adjust RF power output levels for transmission.

IQ Calibration

TX IQ Adjustments

Adjustments for IQ phase and gain balance for transmit paths.

RX IQ Adjustments

Methods for adjusting IQ phase and amplitude imbalances in the receive path.

SWR;Power Meter Calibration

Calibrate Zero Power Offset

Steps to calibrate the zero offset for the SWR/Power meter.

Calibrate Power Coupling

Adjustments to calibrate power meter coupling factors for various bands.

Frequency Calibration

TX calibration approach

Method for calibrating frequency during transmission using a frequency counter.

RX calibration approach

Method for calibrating frequency during reception using broadcast stations.

CW TUNE HELPER & SNAP MODE

How to use it

Instructions for enabling and using the CW Tune Helper features.

How does the frequency snap mode work?

Explanation of the automatic tuning process based on FFT analysis.

WDSP AGC

QUICK USER GUIDE FOR THE AGC

A quick guide on how to adjust and use the WDSP AGC.

AGC WDSP switch

How to switch between Standard AGC and WDSP AGC modes.

AGC WDSP Mode

Predefined parameter sets for AGC modes and their decay times.

AGC threshold

How to adjust the AGC threshold for optimal performance.

AGC Hang enable

How to enable and configure the Hang AGC feature.

Digimodes

FreeDV (Rx & Tx)

Description of the FreeDV digital mode.

RTTY (RX & TX)

Instructions for operating RTTY mode, including filter and baud rate settings.

CW Decoder

Adjustments

How to tune the CW decoder for optimal performance.

Signal threshold

Adjusting the threshold for CW signal detection.

PSK

PSK demodulation works as follows

Steps for receiving PSK signals.

Keyer functionality

How to operate

How to use the keyer functionality, including macro recording.

USB CAT and AUDIO Mode

Provided functionalities

List of functionalities enabled by USB CAT and Audio interface.

Enabling;Disabling USB CAT;AUDIO

How to enable or disable USB CAT and Audio features.

Programs known to work

Programs for controlling the rig

Software applications for controlling the transceiver's functions.

Programs used to receive;transmit digital modes

Software for digital mode operation (FLDigi, WSJT-X, etc.).

Installation on Windows XP - 8.1

Windows Vista and newer

Specific driver installation for Windows Vista and later.

Windows XP

Specific instructions for installing drivers on Windows XP.

FAQ

I can see the Speaker;Microphone device but no sound...

Troubleshooting no audio output/input with USB Audio.

Linux: I can see the;dev;ttyACM0 device...

Troubleshooting serial port detection issues on Linux systems.

Hip-hop Tips and Tricks

Snap to a Frequency Step Grid

How to snap to frequency step grids using SNAP.

Changing TX modulation input

How to cycle through TX modulation input options.

Product Description

Sensitivity;bandwidth

Details on receiver sensitivity across different bandwidths.

Technical Specifications

Overview of the transceiver's technical specifications.

Frequency coverage

The frequency ranges for transmit and receive operations.

Spectral Display Modes

Explanation of Spectrum Scope and Waterfall Display modes.

FM sensitivity for 12 dB SINAD, CCITT filtering

FM receiver sensitivity specifications at various bandwidths.

DSP Filtering Capability

Noise reduction and notch filter capabilities.

External audio input;output connections

Description of audio ports and PTT connection.

Receive

Current consumption details during receive mode.

Transmit

Current consumption details during transmit mode at different power levels.

Recent RS-918SSB Specifications

General IconGeneral
BrandRecent
ModelRS-918SSB
CategoryTransceiver
LanguageEnglish