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Display Speed. Display Speed controls
the rate at which the graphic information
moves across the display. There are 5
possible speeds; the fastest rate (5) is the
factory setting. Keep in mind that the
closer the update rate matches your boat
speed, the more accurate is the graphic
depiction of the terrain beneath your boat.
Use the UP and DOWN ARROWS to select the desired update rate. The
Display Speed setting is remembered when the unit is powered off.
Battery Alarm. The Battery Alarm
Option allows you to select the voltage
level at which the Battery Alarm
activates.
At the Battery Alarm menu (under
options), you will note that the default
setting is OFF. Push the DOWN ARROW
BUTTON to select the feature ON. Push the DOWN ARROW BUTTON again
to move into the ADJUST BATTERY ALARM setting. Using the UP and
DOWN ARROW BUTTONS, select a voltage between 9.0 and 12.0.
When the voltage drops below your selected voltage, an audible alarm will
sound, and a battery alarm icon will be displayed on screen with current
voltage level.
Bottom Black. There are two selections
available: OFF and ON. The factory setting
is OFF. With this setting, the 250DX
displays the bottom using Structure ID.
This allows you to determine the texture
and relative hardness of the bottom.
Selecting Bottom Black “ON” causes the
unit to blacken in the display below the bottom. This gives the user easiest
recognition of the bottom location, even from a great distance.
The 250DX remembers the Bottom Black setting when powered off.
USING THE 250DX
MENU FUNCTIONS