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16
ent temperatures; however, some situations may occur where manual
adjustment will provide a higher level of contrast.
Eleven contrast settings, +5 to -5, are possible. The display contrast will
change as the adjustment is made so the optimum level of contrast can be
achieved. Use the ARROW buttons to highlight the desired selection. The
Tracker unit will reset to the factory setting when the unit is powered off.
Display Speed. Display Speed controls
the rate at which the graphic information
moves across the display. There are 5 pos-
sible speeds; the fastest rate (5) is the fac-
tory 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 Dis-
play Speed setting is remembered when the unit is powered off.
Bottom Black. There are two selections
available: OFF and ON. The factory setting is
OFF. With this setting, the Tracker unit dis-
plays the
bottom
using
Structure
ID. This
allows you to determine the texture and
relative hardness of the bottom. Select-
ing Bottom Black “ON” causes the unit
to blacken in the display below the bot-
tom. This gives the user easiest recogni-
tion of the bottom location, even from a
great distance.
The Tracker unit remembers the Bottom
Black setting when powered off.
USING THE TRACKER UNIT
MENU FUNCTIONS
Bottom Black View