Audio Scope Screen - Icom IC-7851 Instruction Manual

■ Audio scope screen

This audio scope allows you to display the received
signal's frequency component on the FFT scope, and
its waveform components on the Oscilloscope. The
FFT scope has an waterfall.
NOTE:
When the Monitor function is ON, you can see the TX
audio on the Audio scope.
 The Multi-function screens are OFF:
q
Push [AUDIO](F).
• The Audio scope screen is displayed.
Function
MAIN/
Selects the Main or Sub band.
SUB
Push
ATT
Hold down
Sets the Hold function to ON or OFF.
• "
HOLD
rent audio spectrum.
Selects the Oscilloscope level.
LEVEL
• 0, –10, –20, or –30 dB
Selects the Oscilloscope sweep time.
TIME
• 1, 3, 10, 30, 100, or 300 ms/Div
SET Enters the Scope set screen.
• The Audio scope with Sub band selection is enabled
only during Dualwatch or Split frequency operation.
w
To exit the Audio scope screen, push [EXIT/SET].
Action
Selects the Attenuator for the
FFT scope.
• 0 (OFF), 10, 20, or 30dB
Turns OFF the attenuator. (0
dB)
" is displayed and freezes the cur-
(F) Function keys
• Audio scope screen
Waterfall
FFT Scope
6-15
SCOPE OPERATION
[EXIT/SET]
Oscilloscope
6