Icom IC-7600, Инструкция по эксплуатации

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70
4
RECEIVE AND TRANSMIT
4
Spurious signal waveforms may be displayed. They
are generated in the internal scope circuit and do not
indicate a transceiver malfunction.
D Using the Spectrum scope
q
Push [EXIT/SET] several times to close any multi-
function screens, if necessary.
Push
w
[SCOPE](F-1).
• The Spectrum scope screen is displayed.
Function Action
SPAN
(F-1)
When the center mode is selected, selects
the scope span.
• Selectable spans: ±2.5, 5.0, 10, 25, 50,
100 and 250 kHz
• Hold down for 1 sec ond to select the
±2.5 kHz span.
ATT
(F-2)
Push
Selects the scope attenuator.
• OFF, 10 dB, 20 dB, 30dB
Hold down Turns OFF the attenuator.
MARKER
(F-3)
Selects the marker.
HOLD
(F-4)
Push
Turns the hold function ON or
OFF.
Hold down Clears the peak hold level.
CENT/FIX
(F-5)
Selects the center or fixed mode.
WIDE/
SET
(F-6)
Push
Selects the wide or normal
screen.
Hold down Enters the scope set screen.
To exit the spectrum scope screen, push
e
[EXIT/SET].
• Spectrum scope screen
NOTE: If a strong signal is received, a ghost
waveform may appear. If it appears, push
[ATT](F-2)
several times to enable the scope attenuator.
• Scope spurious signal example
Scope spurious example
F-1 F-2 F-3
F-5 F-6 F-4
EXIT/SET
/
SCOPE SPAN ATT MARKER
HOLD CENT/FIX WIDE/SET