GPSMAP 392/398/492/498 Owner’s Manual
77
U
SING
S
ONAR
>
S
ONAR
T
AB
O
PTIONS
Zoom
—sets a screen zoom scale. The following settings are
available:
•
Off
—turns off the Zoom function.
•
2x Zoom
––displays the 2x zoomed picture.
•
4x Zoom
––displays the 4x zoomed picture.
•
Btm
(Bottom)
Lock
––displays returns from the bottom up.
When using this setting, “BL” appears at the bottom of the
screen.
Zoom View
—available when you select a Zoom scale other than
Off
. You can use the Zoom View setting to change the viewing
range of a zoomed display.
Auto
follows the water bottom. If the
display is set to
Bottom Lock
, the Span setting adjusts how far off
the bottom the unit shows data.
Tools
—controls the display of useful sonar tools. The following
options are available:
•
A-scope
—when you turn on A-scope, a vertical flasher
bar appears on the far-right side of the screen. This flasher
displays structure and bottom returns much the same as the
Flasher Page. The horizontal width of the A-scope signal
indicates the strength of the signal.
•
Color Bar
—shows a gradient scale of the current Color
Gain setting.
•
Temperature Graph
—appears only if you have a
temperature-capable transducer. When on, this setting
displays a temperature graph on the bottom of a Sonar Page
that matches the scrolling data.
Split When Zoomed
—turns this option on or off. If you turn on
Zoom, then this setting splits the screen.
Swap Split
—available on a split Sonar Page when you are using
dual frequency. This switches on which side the frequencies appear.
Содержание GPSMAP 392, 398, 492, 498
Страница 1: ...Owner s Manual GPSMAP 392 398 GPSMAP 492 498 GPSMAP 498 shown...
Страница 120: ......
Страница 121: ......