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Expert Electronics MB1 User Manual

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Expert Electronics
© 2016 Expert Electronics
MB1
USER MANUAL
1.0.1
HF/50 MHz/VHF TRANSCEIVER
Direct Sampling SDR transceiver

Table of Contents

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Expert Electronics MB1 Specifications

General IconGeneral
Antenna ConnectorsSMA
ModesFM
DisplayLCD
ADC Resolution16 bit
DAC Resolution16 bit

Summary

1 READ IT FIRST

1.1 Congratulations

Congratulates the user on purchasing the SDR transceiver.

1.2 Features

Details the transceiver's features, including independent receive channels and display.

1.3 Supplied accessories

Lists basic and standard configurations of supplied accessories and optional equipment.

1.4 Precautions

Lists critical operating rules to prevent damage and ensure safe operation of the transceiver.

2 CONNECTIONS

2.1 Antenna

Discusses antenna connection, impedance matching, and SWR requirements.

2.2 Grounding

Emphasizes the importance of reliable grounding for electrical safety.

2.3 AC power

Details connecting the transceiver to AC mains, ensuring proper grounding.

2.4 Front Panel accessories

Explains how to connect accessories to the front panel of the MB1.

3 FRONT PANEL DESCRIPTION

3. Power button

Describes the function of the power button for turning the transceiver on and off.

TX - Button to turn on transmission mode

Explains the TX button for switching between transmission and receiving modes.

TUN - Automatic Tuner Unit on button

Details the TUN button's function for activating the Automatic Tuner Unit.

MUT - Mute button

Explains the MUT button for muting/unmuting audio volume and accessing sound mixer settings.

4 REAR PANEL DESCRIPTION

1) HF1-HF4 - HF antenna connectors

Details the HF antenna connectors for connecting HF antennas.

2) VHF1-VHF2 - VHF antenna connectors

Explains the VHF antenna connectors for connecting VHF antennas.

3) GND - Grounding/Earth terminal

Describes the GND terminal for grounding the transceiver.

4) PA PTT 1-4 - PTT keys for external Power Amplifiers switching in TX mode

Details the PA PTT connectors for controlling external power amplifiers.

5 MAIN SCREEN DESCRIPTION

5.1 Main Window

Provides an overview of the transceiver's software main window display.

5.1.1 Section 1

Describes the buttons in Section 1 of the main window, including Full screen and Start.

5.1.2 Section 2

Explains indicators in Section 2, like ATU, PTT, LOCK, and IQ-file recording indicators.

5.1.3 Section 3

Details indicators and buttons in Section 3, including antenna selection and mode indicators.

6 TECHNICAL CHARACTERISTICS

6.1 Receiver

Lists technical characteristics of the receiver.

6.2 Transmitter

Lists technical characteristics of the transmitter.

6.3 Internal PC

Lists technical specifications of the internal PC.

6.4 Other

Lists other technical characteristics like dimensions and power.

7 TRANSCEIVER OPERATIONS

7.1 Turning ON/OFF the transceiver

Explains how to turn the transceiver on and off.

7.2 Frequency Tuning

Details various methods for tuning the transceiver frequency.

7.3 Adjusting the AF gain

Explains how to adjust the AF gain (volume).

7.4 Adjusting the RF gain

Details how to adjust the RF gain.

8 ATU OPERATION

1. Press and hold the TUN button...

Calls up the ATU SETTINGS local panel.

2. Press the TX button in the local panel...

Activates the Tuner in TX mode.

4. Short press the TUN button on the front panel...

Activates the tuner and starts the tuning process.

6.a. If the RX AFTER TUNED button is enabled...

Explains transceiver returning to RX mode after tuning.

9 SPLIT OPERATION

1. Activate the SPLIT mode by pressing the SPLIT button...

Activates the SPLIT mode via the SPLIT button.

2. Set the required transmit frequency (VFO B)...

Sets the transmit frequency (VFO B) in SPLIT mode.

3. Press the microphone PTT button or the TX button...

Transmits the message by pressing PTT or TX button.

4. Release the microphone PTT button or press again the TX button...

Returns transceiver to RX mode after transmission.

10 SUB RECEIVER USING

1. Activate Sub-receiver by pressing the SUB button...

Activates the Sub-receiver using the SUB button.

2. Set the required VFO B frequency...

Sets the required VFO B frequency.

3. Listen to the VFO A and VFO B frequencies simultaneously...

Allows simultaneous listening to VFO A and VFO B frequencies.

11 RIT/XIT OPERATIONS

11.1 RIT

Explains RIT offset in RX mode for differing transmit and receive frequencies.

11.2 XIT

Details XIT offset in TX mode for differing transmit and receive frequencies.

12 SHIFT BUTTONS OPERATION

13 DIGITAL MODES OPERATION

14 RX2 OPERATION

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