Spectrum Analyzer Operation - Yaesu VX-8DE Operating Manual

50/144/430 mhz triple-band heavy duty sumersible transceiver
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S
PECTRUM
The Spectrum Analyzer allows viewing operating activity on channels above or below the
current operating channel in the VFO mode.
The display indicates the relative signal strength on channels immediately adjacent to the
current operating frequency.
The Spectrum Analyzer feature can be activated only on the "A-Band" while the VX-
8DR/DE is in the "Mono" band operation.
Three basic operating modes for the Spectrum Analyzer are available:
In this mode, the transceiver sweeps the current band once.
1Time:
CONTINUOUS: In this mode, the transceiver sweeps the current band repeatedly until the
This mode is activated similar to a "CONTINUOUS" mode. However, the
Full Time:
transceiver outputs the audio of the center frequency ( ) from a speaker
when the Spectrum Analyzer is activated between 30 ~ 580 MHz (except
FM Broadcast Band).
S
1. Press and hold the
2. Rotate the DIAL knob to select Set Mode Item 91: SPEC-
ANALYZER.
3. Press the
Mode Item.
4. Rotate the DIAL knob to select the desired Spectrum Ana-
lyzer mode (see above).
5. Press the PTT switch momentarily to save the new setting
and exit to normal operation.
T
1. Set the radio to the VFO mode on the "A-Band" in the "Mono" band mode.
2. Press the
Spectrum Analyzer.
3. When the Spectrum Analyzer is activated, press the
key to change the visible bandwidth. Available selec-
tions are ±5, ±9, ±16, ±24, and ±50 channels (default: ±16 channels). The visible
bandwidth, however, depends on the selected channel step size, so match the default
channel steps with the amateur band you are using.
4. To turn the Spectrum Analyzer off and operate on the center (displayed) channel,
press the
key to stop the sweep, if needed, then press the
key.
96
A
NALYZER
key is pressed, or the Spectrum Analyzer is turned off.
S
A
key for one second to enter the Set Mode.
key briefly to enable adjustment of this Set
S
A
key, then press the
O
PERATION
:
:
key to activate the
VX-8DR/DE O
or
key followed by
M

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