Operation
For control the autotuner, the E3 encoder in you mcHF SDR radio must be with a button.
For control the autotuner, the E3 encoder in you mcHF SDR radio must be with a button.
Chinese cases are usually equipped with such encoders.
Chinese cases are usually equipped with such encoders.
If you have an E3 encoder without a button, first replace it with an encoder of the same height with a button
If you have an E3 encoder without a button, first replace it with an encoder of the same height with a button
(encoder not included in DIY KIT)
(encoder not included in DIY KIT)
You need to buy either:
You need to buy either:
It depends which shaft type is on the other encoders in your radio
It depends which shaft type is on the other encoders in your radio
Both of them are 21.5 mm high (from PCB to end of shaft) and all with a switch
Both of them are 21.5 mm high (from PCB to end of shaft) and all with a switch
You can download installation and operation manual by click here (v1.05 Feb 12, 2020)
You can download installation and operation manual by click here (v1.05 Feb 12, 2020)
1. Tuning mode
1. Tuning mode
Press and hold the E3 encoder button.
Press and hold the E3 encoder button.
The LD2 LED will turn on green for 2 seconds.
The LD2 LED will turn on green for 2 seconds.
After that, the LED will blink green for 2 seconds.
After that, the LED will blink green for 2 seconds.
At this moment, while the green LED is blinking, release E3 encoder button
At this moment, while the green LED is blinking, release E3 encoder button
and press the TUNE button of the transceiver.
and press the TUNE button of the transceiver.
The LED will turn orange and the autotuner will begin tuning.
The LED will turn orange and the autotuner will begin tuning.
When tuning is completed, the LED will turn red.
When tuning is completed, the LED will turn red.
Press the TUNE button of the transceiver. The LED will turn off and the transceiver will go to RX.
Press the TUNE button of the transceiver. The LED will turn off and the transceiver will go to RX.
2. BY PASS mode
2. BY PASS mode
Press and hold the E3 encoder button.
Press and hold the E3 encoder button.
The LD2 LED will turn on green for 2 seconds.
The LD2 LED will turn on green for 2 seconds.
Release the E3 encoder button while the LD2 LED is lit continuously.
Release the E3 encoder button while the LD2 LED is lit continuously.
The LED will blink three times and the autotuner will switch to BY PASS mode.
The LED will blink three times and the autotuner will switch to BY PASS mode.
3. Disabling BY PASS mode
3. Disabling BY PASS mode
Press and hold the E3 encoder button.
Press and hold the E3 encoder button.
The LD2 LED will turn on green for 2 seconds.
The LD2 LED will turn on green for 2 seconds.
Release the E3 encoder button while the LD2 LED is lit continuously.
Release the E3 encoder button while the LD2 LED is lit continuously.
The LED will flash once and BY PASS mode will be turned off.
The LED will flash once and BY PASS mode will be turned off.