Lowrance electronic LMS-337C DF - Manual (Page 88)

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commands is that Customize changes only the data boxes on a
screen, and Overlay Data changes only the information floating on
the screen without a box. See Customize Page Displays, on page 89,
for information on customizing data boxes.
Left, Water temp in the overlay data shown menu. Right, the overlay
data size window. Notice the water speed data description at the top of
the data information window.
To change displayed data font size:
1. From the Map or Sonar page, press MENU |
↓ to
O
VERLAY
D
ATA
| ENT .
2. Press
↓ or ↑ to select Data Type|press
ENT, then use
↓ or ↑
to scroll
to overlay size, press ENT. Press
↓ or ↑ to select the desired data size.
Press ENT | EXIT .
The selected data type will be displayed in the new size. (To change the
font size for another Data Type, repeat these steps, beginning with step
two above.)
3. To return to the previous page, press EXIT .
NOTE:
Some data types can be displayed in only one font size. If that is the
case, the Data Size box will not be displayed for that data type.
Ping Speed & HyperScroll

Ping Speed controls the rate at which the transmitter and transducer
broadcast sonar sound waves — pings — into the water. The unit has a
default ping speed of 50 percent. At normal boating speeds, this auto-
matically provides enough return echoes to refresh the screen and scroll
the chart at maximum chart speed.
However, when you are running at high speeds, or just want the fastest
possible screen update, you may want to use the HyperScroll
 feature.