General Overview:
Overview: Pin-Out of external connections
- When external Speaker / Headphone is connected, on-board speaker will be disconnected / disabled.
- When external Microphone / Paddle / Key is connected, on-board Microphone will be disconnected / disabled.
- USB and Power Supply can be connected at the same time. Main Power Supply has always priority and will be prefered over USB 5V by the rig, when connected.
For firmware 2.00t and above, a baudrate of 115200 instead of 38400 needs to be used.
See here how to use (tr)uSDX CAT on other operating systems:
- Linux: https://forum.dl2man.de/viewtopic.php?p=4108#p4108
- Mac: https://gist.github.com/relistan/bd9c4b8bab55b81c0374f30bf565bbe0
Here is more detail about the (tr)uSDX supported CAT commands and extensions (such as CAT streaming): 5 (tr)uSDX Details.
Firmware 2.00t and above do have a spectrum display, when holding the left button and tuning the frequency dial. Here a video about the feature:
The following Information is NOT 100% accurate and needs to be updated:
Ⓛeft Ⓔncoder Ⓡight button, ⥀=turn, –=hold button (longer), ◯◯=fast double click, ◯-◯-=slow double click, ◯-⥀=hold button and turn
| Action | (Menu) Function | Values |
|---|---|---|
| onⒺ- | Factory Reset | |
| ⥀ | VFO | 20kHz..99MHz |
| Ⓛ | Enter menu | |
| Ⓛ-⥀ | Quick Enter menu | |
| Ⓡ | Menu Exit | |
| Ⓔ-⥀ | 1.1 Volume | 1-15 in 6dB steps, 0 is Power-Off |
| offⓁ | Power-On | |
| Ⓡ | 1.2 Mode | LSB, USB, CW, AM, FM |
| ⓇⓇ | 1.3 Filter BW | Full, 3000, 2400, 1800, 500, 200, 100, 50 Hz |
| ⒺⒺ | 1.4 Band | 80,60,40,30,20,17,15,12,10m |
| Ⓔ | 1.5 Tuning Steps ↧ | 10M, 1M, 0.5M, 100k, 10k, 1k, 0.5k, 100, 10, 1 |
| Ⓔ- | 1.5 Tuning Steps ↥ | |
| Ⓡ-Ⓡ- | 1.6 VFO Mode | VFO-A, B, Split |
| Ⓡ- | 1.7 RIT | ON, OFF |
| ritⓇ | RIT Exit | |
| 1.8 AGC | ON, OFF | |
| 1.9 NR | 0-8 exponential averaging step | |
| 1.10 ATT | 0, -13, -20, -33, -40, -53, -60, -73 dB | |
| 1.11 ATT2 | 0-16 in 6dB steps | |
| 1.12 S-meter | OFF, dBm, S, S-bar | |
| 2.1 CW Decoder | ON, OFF | |
| 2.4 Semi QSK | ON, OFF | |
| 2.5 Keyer speed | 10-40 Paris-WPM | |
| 2.6 Keyer mode | Iambic-A, B, Straight | |
| 2.7 Keyer swap | ON, OFF | |
| 2.8 Practice | ON, OFF | |
| 3.1 VOX | ON, OFF | |
| 3.2 Noise Gate | 0-255 in 6dB steps | |
| 3.3 TX Drive | 0-8 in 6dB steps, 8=constant amplitude | |
| 3.4 TX Delay | 0-255 ms | |
| 4.1 CQ Interval | 0-60 s | |
| Ⓛ | 4.2 CQ Message | Transmit CQ text |
| 8.1 PA Bias min | (0-255) representing 0% RF output | |
| 8.2 PA Bias max | (0-255) representing 100% RF output | |
| 8.3 Ref freq | si5351 crystal frequency in Hz | |
| 8.4 IQ Phase | 0..180 degrees | |
| 10.1 Backlight | ON, OFF |
| onⒺ- | Factory Reset | ⓇⓇ | Audio Filter |
| ⥀ | VFO | ⒺⒺ | Band |
| Ⓛ | Enter menu | Ⓔ | Tuning Steps ↧ |
| Ⓛ-⥀ | Quick Enter menu | Ⓔ- | Tuning Steps ↥ |
| Ⓡ | Menu Exit | Ⓡ-Ⓡ- | VFO-A, B, Split |
| Ⓔ-⥀ | Volume/Power-Off | Ⓡ- | RIT |
| offⓁ | Power-On | ritⓇ | RIT Exit |
| Ⓡ | LSB, USB, CW, AM, FM | 4.2Ⓛ | Transmit CQ message |
| onⒺ- | Factory Reset | ⓇⓇ | Audio Filter | ⥀ | VFO | Ⓡ-Ⓡ- | VFO-A, B, Split |
| Ⓛ | Enter menu | ⒺⒺ | Band | Ⓔ-⥀ | Volume/Power-Off | Ⓡ- | RIT |
| Ⓛ-⥀ | Quick Enter menu | Ⓔ | Tuning Steps ↧ | offⓁ | Power-On | ritⓇ | RIT Exit |
| Ⓡ | Menu Exit | Ⓔ- | Tuning Steps ↥ | Ⓡ | LSB, USB, CW, AM, FM | 4.2Ⓛ | Transmit CQ message |
| 1.1 | Volume | 1.9 | NR | 2.7 | Keyer swap | 8.1 | PA Bias min ( 0% RF) |
| 1.2 | Mode | 1.10 | ATT | 2.8 | Practice | 8.2 | PA Bias max (100% RF) |
| 1.3 | Filter BW | 1.11 | ATT2 | 3.1 | VOX | 8.3 | Ref freq |
| 1.4 | Band | 1.12 | S-meter | 3.2 | Noise Gate | 8.4 | IQ Phase |
| 1.5 | Tuning Steps | 2.1 | CW Decoder | 3.3 | TX Drive | 10.1 | Backlight |
| 1.6 | VFO Mode | 2.4 | Semi QSK | 3.4 | TX Delay | ||
| 1.7 | RIT | 2.5 | Keyer speed | 4.1 | CQ Interval | ||
| 1.8 | AGC | 2.6 | Keyer mode | 4.2 | CQ Message |