GW Instek GSP-930 User Manual - Manual (Page 129)

ADVANCED OPERATION
127
AM/FM Demodulation
Description The GSP-930 has a convenient AM/FM
demodulation function to tune into AM or FM
broadcast signals and listen to the demodulated
baseband signals using the ear phone out
socket.
Operation:
Setup 1. Set the center frequency to the desired FM/AM
carrier frequency. See page 39 for details.
2. Set the span to zero. See page 44 for details.
3. Set the Preamp to Auto. See page 57.
Connection Connect headphones or a speaker
to the phone output port.
Operation 4. Press
Meas
> Demod[F2]>Sound[F3]>Ear Phone
Out[F1] and turn the ear phone out on.
5. Press Volume[F2] to set the volume output:
Volume: 0~15, default 7
6. Press Digital Gain Control[F3] to change the
gain:
Gain: 0~18dB, 6dB step
7. Press Demod Type[F4] to choose AM or FM
demodulation.