User's Manual Part 1

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Tuning the Receiver
The PRC-2090 transceiver can be used as a tunable receiver. The receiver can be
tuned from 500 kHz to 30 MHz in steps ranging from 1 Hz up to 10 MHz.
Press the
key to enter the tuning receiver mode:-
To tune the receiver move the cursor over the digit representing
the frequency increment required in the receiver frequency
display you wish
to tune using either the or keys, then use.
or to tune up in frequency
or to tune down in frequency
press the key to return to the previous operating channel.