The last key combination is used to perform a Factory Reset (to
default settings). This may be a useful action in cases where the
radio may perhaps react abnormal.
A reset can restore the functions if the CPU seems to be blocked.
6. Operation
6.1. AM/FM switch
You can select AM or FM modulation by pressing the AM/FM
button.
Please note that in the German 80 CH system it is possible (and
allowed) to listen in AM on all 80 channels, but transmission
is only possible on CH 1-40 in AM. During receive mode, the
bar graph shows the strengths of the received signal, during
transmission, it shows the relative output power. In dE and EU
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