extending the range of the atu to tune higher impedance antenna's like the g5rv.
to extend the tuning range of the atu to tune higher impedance antenna's like the g5rv enter the hidden menu by:
turn off the radio using the on/off button.
press and hold the att/po, nb, and agc buttons and at the same time turn the radio on by pressing the on/off button.
rotate the dsp/sel to find hf1swr change the value from 85 to 150 by rotating the main dial knob.
rotate the dsp/sel to find hf2swr change the value from 85 to 150 by rotating the main dial knob.
rotate the dsp/sel to find hf3swr change the value from 85 to 150 by rotating the main dial knob.
press and hold the f button for 1 second to store the new settings.
turn off the radio using the on/off button.
turn on the radio. the atu will now tune to a g5rv or similar high impedance antenna.
个人试验了一下
确实可以把原先不能调节的调下来了
不知道真假
高手出来拍砖了
