Kenwood TS-890S Operation Manual - Page 97

Scope Functions

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.... .. 7 SCOPE FUNCTIONS SCOPE FUNCTIONS 7 Bandscope Switching the Bandscope Display Type With the signal strength represented on the vertical axis and frequency on the horizontal axis, the bandscope provides a visual representation of the condition of the RX frequency band. • The bandscope of this transceiver comes in the following 3 modes. Auto Scroll Mode: A mode where the lower and upper frequency limits of the frequency band to be displayed are fixed, and the scope range scrolls automatically when the marker exceeds the lower or upper limit of the scope range. Fixed mode: A mode where the lower and upper frequency limits of the frequency band to be displayed are fixed for each amateur band. Center mode: A mode where the RX frequency is always at the center of the horizontal axis. • By displaying a waterfall below the spectrum scope display, the RX frequency, surrounding conditions as well as transition in the signal strength over time can be viewed. • The vertical axis of the waterfall display represents time while the horizontal axis represents frequency. • Signal strength in the waterfall display is represented in a gradation of color in the order of green to blue (weak), red to yellow (medium) and white (strong). The amount of color change with respect to the signal strength can be altered in the menu. Refer to "Configuring the Gradation of the Waterfall" (7-5). • The speed of the waterfall drop can be changed to 4 different speed levels. Refer to "Configuring the Speed of Waterfall Drop" (7-2). • When the waterfall is displayed, the height of the spectrum scope display is reduced to one-third of the original size. • The filter passband is constantly represented by a translucent display in the bandscope. 1 Display the bandscope. 2 Press [SCP]. Pressing [SCP] each time switches the selection in the following sequence. "Spectrum scope + Waterfall" (Standard size) ↓ "Spectrum scope + Waterfall" (Enlarged size) Displaying the Bandscope Press [SCP] to display the scope screen. Pressing and holding [SCP] each time toggles the display between "Bandscope" and "Audio Scope". Bandscope ↓ "Spectrum scope only" (Standard size) Audio Scope ↓ No scope display (ends scope display) • While a bandscope is displayed, pressing [ESC] ends the bandscope display. 7-1

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Bandscope
With the signal strength represented on the vertical axis and
frequency on the horizontal axis, the bandscope provides a visual
representation of the condition of the RX frequency band.
•
The bandscope of this transceiver comes in the following 3
modes.
Auto Scroll Mode:
A mode where the lower and upper
frequency limits of the frequency band to be displayed are fixed,
and the scope range scrolls automatically when the marker
exceeds the lower or upper limit of the scope range.
Fixed mode:
A mode where the lower and upper frequency
limits of the frequency band to be displayed are fixed for each
amateur band.
Center mode:
A mode where the RX frequency is always at the
center of the horizontal axis.
•
By displaying a waterfall below the spectrum scope display, the
RX frequency, surrounding conditions as well as transition in
the signal strength over time can be viewed.
•
The vertical axis of the waterfall display represents time while
the horizontal axis represents frequency.
•
Signal strength in the waterfall display is represented in a
gradation of color in the order of green to blue (weak), red to
yellow (medium) and white (strong). The amount of color
change with respect to the signal strength can be altered in the
menu. Refer to “
Configuring the Gradation of the Waterfall
”
(
7-5
).
•
The speed of the waterfall drop can be changed to 4 different
speed levels. Refer to “
Configuring the Speed of Waterfall
Drop
” (
7-2
).
•
When the waterfall is displayed, the height of the spectrum
scope display is reduced to one-third of the original size.
•
The filter passband is constantly represented by a translucent
display in the bandscope.
Displaying the Bandscope
Press [SCP] to display the scope screen.
Pressing and holding
[SCP]
each time toggles the display
between “Bandscope” and “Audio Scope”.
Bandscope
Audio Scope
Switching the Bandscope Display Type
1
Display the bandscope.
2
Press [SCP].
Pressing
[SCP]
each time switches the selection in the
following sequence.
“Spectrum scope + Waterfall” (Standard size)
↓
“Spectrum scope + Waterfall” (Enlarged size)
↓
“Spectrum scope only” (Standard size)
↓
No scope display (ends scope display)
•
While a bandscope is displayed, pressing
[ESC]
ends the
bandscope display.
SCOPE FUNCTIONS
7
7 SCOPE FUNCTIONS
7-1