Eagle FishElite 640c, Инструкция по установке и эксплуатации

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you change the Ping Speed to any setting greater than 50 percent, the
unit automatically enters HyperScroll mode.
These faster ping rates allow you to maintain a high-detail picture on
the screen. The ping rate helps the screen refresh rate and chart scroll
speed keep pace with the speed of the boat.
When using HyperScroll, you may also need to manually decrease the
sensitivity for optimum performance. Depending on water depth and
other conditions, HyperScroll may cause a second bottom echo to return
to the transducer during the next ping cycle. This can result in a large
amount of clutter appearing on the screen. If this occurs, decrease the
sensitivity to a level that eliminates the clutter. When you turn Hyper-
Scroll off, you can return to your original sensitivity level.
Sonar Menu with Ping Speed command selected (left).
Ping Speed Control Bar (right).
To change Ping Speed:
1. From the Sonar Page, press
MENU
|
↓
to
P
ING
S
PEED
|
ENT
.
2. The Ping Speed Control Bar appears. Press
↑
to increase ping speed.
Press
↓
to decrease speed. When it is set at the desired level, press
EXIT
.
To turn off HyperScroll:
1. From the Sonar Page, press
MENU
|
↓
to
P
ING
S
PEED
|
ENT
.
2. The Ping Speed Control Bar appears. Press
↓
to decrease ping speed
to 50 percent, then press
EXIT
.
When you boost ping speed and switch into HyperScroll, the width of
the FasTrack bar graph display doubles in width at the right side of the
screen.