Icom IC-7800

5-21
5
FUNCTIONS FOR RECEIVE
■ Audio scope screen
This audio scope allows you to display the received
signal’s frequency component to the FFT scope, and
its waveform component to the Oscilloscope. The FFT
scope has an waterfall.
[F-4•HOLD]
[F-2•ATT]
[F-1•MAIN/SUB] [EXIT/SET]
[F-6•TIME][F-5•LEVEL]
[F-7•SET]
q Push [EXIT/SET] several times to close a multi-func-
tion screen, if necessary.
wPush[F-6•AUDIO]toselectthescopescreen.
ePush[F-1•MAIN/SUB]toselecttheband.
 • “ ” is displayed when the main band is selected.
 • “ ” is displayed when the sub band is selected.
rPush[F-2•ATT]severaltimestoactivateanattenu-
ator or turn OFF the attenuator for the FFT scope.
 •0(OFF),10,20and30dBattenuatorsareselectable.
 •Holdingdown[F-2•ATT]for1secondtoturntheattenu-
ator OFF.
tPush[F-5•LEVEL]toselectthelevelsettingforthe
Oscilloscope.
 •0,–10,–20and–30dBareselectable.
yPush[F-6•TIME]severaltimestoselectthetime
setting for the Oscilloscope.
 •1,3,10,30,100and300ms/Divareselectable.
uPush[F-4•HOLD]tofreezethecurrentaudiowave-
form.
 •“ ” appears while the function is in use.
i Push [EXIT/SET] to exit the scope screen.
When the Monitor function is ON, you can see the
TX audio on the Audio scope.
• Audio scope
OscilloscopeWaterfall
FFT Scope