Expert Electronics E-Coder
Product Information
- Overview
Panel is intended to control SDR-transceiver. It allows to control the transceiver by tuning knob, provides controlling the bandwidths, modulation types, filters and many other functions included into SDR - programs.
Introduction
SDR control panel was designed to control SDR-transceiver. It allows to control the transceiver by tuning knob, provides controlling the bandwidths, modulation types, filters and many other functions included into SDR - programs.
Principle of panel's work
Control panel is designed to work with ExpertSDR and ExpertSDR2 programs and provides the major functionality with it. Control panel is connected by USB interface to PC and at once becomes accessible in program ExpertSDR.
Figure 1 – Interaction diagram of control panel and ExpertSDR program
Control panel's functions settings menu window is given at figure 2. In this menu setting the check box 1 enables or disables the hardware panel support in the program. If the check box is set, after connection the panel at once starts working. This window also allows to choose the functions for each button from panel 3 and buttons of small encoders 4. With a help of objects 2 can be set the functions for rotation each mechanic encoder. For it press the corresponding object and choose the necessary function. The function can be set to the button of main tuning knob by pressing the object 5. There is also an opportunity to set the step of corresponding mechanic encoder function parameter in window 6. If it is volume, that is in the window Volume is set the amount of divisions to one encoder position (volume is regulated from 0 to 100). If the intermediate frequency is set to the encoder (function IF), that is in the IF window is set the step for one encoder position in Hz. All the other settings are made by analogy. After connecting the panel the controlling connectors KEY and PTT, which are placed at the back panel, become accessible. Footswitch and telegraph key can be also connected to them.
Figure 2 – Control panel's functions settings menu in ExpertSDR and ExpertSDR2 programs
Support of control panel in ExpertSDR program
All accessible to the present day mechanic encoders functions are given in table 1. It should be noted that this list is not final. While development of the program new functions will be add stepwise.
| Table 1. Functions set to mechanic encoders in ExpertSDR program | |
| Unused | Function is not set |
| Volume | Volume adjustment |
| Mic Gain | Microphone gain adjustment |
| SQL | Squelch on/off |
| Filter Low | Adjustment filter's low skirt |
| Filter High | Adjustment filter's upper skirt |
| Filter Width | Adjustment filter width |
| Filter Shift | Adjustment filter shifting |
| Drive | Output power adjustment |
| IF | Tuning by intermediate frequency (filter moving) |
| RF Gain | AGC maximum level adjustment |
| CW Speed | CW Speed |
| RIT Offset | Receiver Incremental Tuning Offset |
| XIT Offset | Transmitter Incremental Tuning Offset |
In table 2 are given functions, which can be set to buttons of control panel
| Table 2. Functions set to the buttons in ExpertSDR program | |
| Unused | Function is not set |
| Band Up | Switch to higher band |
| Band Down | Switch to lower band |
| Mode Up | Switching to the next modulation type |
| Mode Down | Switching to the previous modulation type |
| Volume Up | Volume increase on 5 points |
| Volume Down | Volume decrease on 5 points |
| Mute | Muting, on/off |
| BIN | Turn on/off binaural effect |
| NR | Noise reducer on/off |
| ANF | Automatic notch filter on/off |
| NB1 | Noise blanker 1 on/off |
| NB2 | Noise blanker 2 on/off |
| Filter Up | Switch filter one position wider |
| Filter Down | Switch filter one position narrower |
| SQL | Squelch on/off |
| PA | External Power Amplifier PTT control on/off |
| AGC Up | Changes AGC slower |
| AGC Down | Changes AGC faster |
| Preamp Up | Increase Preamp gain |
| Preamp Down | Decrease Preamp gain |
| Step Up | Switch tuning step coarse |
| Step Down | Switch tuning step fine |
| Zoom In | Zoom In panoramic adapter |
| Zoom Out | Zoom Out panoramic adapter |
| MOX | Manually Operated Transmitter |
| Tone | Carrier in transmitting mode |
| WF | Wide Receiver's Filter |
| Power On/Off | Switch on/off the radio |
| Switch DDS/IF | Switching between tuning by intermediate frequency and by tuning DDS (moving signals) |
| Switch Receiver | Switching receiver's control between RX1 and RX2 |
| Change VFOA/VFOB | Swap tuning knob between VFOA and VFOB |
| On/Off SubRX | On/Off Sub Receiver |
| RIT On/Off | Switch On/Off Receiver's Incremental Tuning |
| RIT Reset | Receiver's Incremental Tuning Reset |
| IF as RIT | RIT control by tuning knob |
| XIT On/Off | Transmitter Incremental Tuning On/Off |
| XIT Reset | Transmitter Incremental Tuning Reset |
| Split | On/Off Split mode |
| TX/Play | Replay voice and transmit to air |
| Voice recording | Voice recording |
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Expert Electronics£279.95(Inc VAT at 20.00%)
