Icom IC-7300 Instruction Manual basic - Page 50

5 SCOPE OPERATION Spectrum scope screen (Continue) DDTouch screen operation When you touch the FFT scope zone or the waterfall zone in the SPECTRUM SCOPE screen, the area will be zoomed in. Then you touch the signal in the zoomed area, you can directly tune your frequency to the signal in the SPECTRUM SCOPE screen. LHolding down XFC changes the transmit frequency. 1. Open the SPECTRUM SCOPE screen. MENU » SCOPE 2. Touch the Scope screen. ••The area around the touched point is zoomed in. LTouch only the FFT scope zone or Waterfall zone. Audio scope screen This audio scope enables you to display the received signal's frequency component on the FFT scope, and its waveform components on the Oscilloscope. The FFT scope also has an waterfall. 1. Open the AUDIO SCOPE screen. MENU » AUDIO 3. Touch the signal in the zoomed area. LLInformatio ••In the Center mode, the operating frequency changes to the touched point, and the point moves to the screen center. ••In the Fixed mode, the operating frequency and marker change to the touched point. ••Touch out of the zoomed area to close the zoomed window. DDMini scope screen The Mini scope screen can be simultaneously displayed with another function displays, such as the RTTY DECODE screen and the AUDIO SCOPE screen. Push M.SCOPE to turn the Mini scope screen ON or OFF. LHold down M.SCOPE for 1 second to display the SPECTRUM SCOPE screen. AUDIO SCOPE screen Key ATT HOLD LEVEL TIME EXPD/ SET Action Touch Selects the attenuator for the FFT scope. • 0 (OFF), 10, 20, or 30 dB Touch for 1 second Turns OFF the attenuator. (0 dB) Sets the Hold function to ON or OFF. • " HOLD " is displayed and freezes the current audio spectrum. Selects the Oscilloscope level. • 0, -10, -20, or -30 dB Selects the Oscilloscope sweep time. • 1, 3, 10, 30, 100, or 300 ms/Div Touch Selects the Expanded or Normal screen. Touch for Enters the AUDIO SCOPE SET 1 second screen. 2. To exit the AUDIO SCOPE screen, push EXIT . • AUDIO SCOPE screen Waterfall zone FFT Scope zone Oscilloscope Mini scope screen with the AUDIO SCOPE screen 5-3