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Icom IC-7851 - Page 102

Icom IC-7851
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5-25
5
RECEIVE AND TRANSMIT
• Indication example
Tuned BPSK signal
BPSK/QPSK idle signal Unmodulated signal
Tuned QPSK signal
D
Vector indicator and Waterfall display
You can ne tune the PSK signal using the Vector tun-
ing indicator and waterfall display.
Slowly rotate the [MAIN DIAL]. q
When a PSK signal is received, the vertical line appears
on the waterfall display.
Tune the vertical line to the Center of the waterfall w
display.
The signal is properly tuned when the radiated lines in
the vector tuning indicator narrow, as shown below to the
right.
Vector tuning indicator
The Vector tuning indicator is displayed when tuning
the signal.
Waterfall display
Displays the band activity as a waterfall.
If the two or more signals are in the band, tune the
displayed signal to the 1500 Hz tone.
PSK decode screen
Vector tuning indicator Waterfall
Vector tuning indicator
FFT scope
Waterfall

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