Do you have a question about the Ten-Tec R4020 and is the answer not in the manual?
Details the amateur bands covered by the R4020 model.
Details the amateur bands covered by the R4030 model.
Explains the DDS electronics used for VFO signal generation.
Describes power supply options and battery usage.
Outlines information displayed on the LCD screen.
Details frequency storage memories and tuning steps.
Instructions for installing or replacing AA batteries.
Details on connecting an external DC power source.
Guidance on connecting resonant and non-resonant antennas.
Information on connecting stereo headsets.
Explains how to connect a CW key or paddle.
Controls mode switching, memory selection, and saving frequency.
Engages Receive Incremental Tuning and switches transmission modes.
Controls receiver attenuation and IF bandwidth selection.
Allows adjustment of frequency tuning increments.
Enables locking the tuning knob to prevent accidental changes.
How to send an automatic CQ and cancel it.
Procedure for changing the Morse code keyer speed.
Steps to program the transceiver with your call sign.
Instructions to turn off the automatic call CQ feature.
Explains the display indicator for transmit power output.
Indicates transmission errors on unsupported frequencies.
Using paddles for tuning external equipment or checking SWR.
Instructions for wiring AA battery packs in series.
Procedure for connecting the battery pack connector.
| Modes | CW, SSB |
|---|---|
| Voltage | 12-14 VDC |
| Tuning | VFO |
| Type | Transceiver |
| Receiver Sensitivity | 0.5 uV |










