Intermec PRO 128 Bottom Black. There are two selections, Plays T t o m I n g Structure ID. This

USING THE TRACKER UNIT

MENU FUNCTIONS

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-
	Bottom Black View	plays the
		b o t t o m
		u s i n g
		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.

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