NaviTrack® II
LCD Contrast
When this is selected by pressing the Select Key the contrast can be adjusted (Figure 34). Use the up and down arrows to make the screen lighter or darker (Figure 35). Extreme temperature changes may make the LCD appear dark (hot) or light (cold). Setting the contrast to ex- treme dark or light may make the LCD difficult to read.
Figure 34 – Contrast Setting Option
Figure 35 – Increasing/Decreasing Contrast
Use the Menu Key to save the setting and exit. In this menu you can also exit by pressing the Select Key to save the setting and exit.
Display Elements Menu
Selecting the icon representing two small display screens will bring up the Display Selection Menu for either Trace 
or Sonde 
mode (Figures 36 and 37). This control is used to toggle screen elements on and off. The NaviTrack II is shipped with some of the optional elements set to OFF to make getting started easier. To switch an el- ement ON or OFF, press the Up or Down Key to highlight the selection. Then use the Select Key to check or uncheck the box. Checked display elements are set to ON for the selected mode. Personal preferences and the type of locating being done will dictate which optional elements the operator wants displayed.
Figure 36 – Screen Elements (Sonde Mode)
Figure 37 – Screen Elements (Line Trace Modes)
Optional Features within the Display Elements Menu
Optional features of the NaviTrack II can be turned on by using the Menu Key to show the menu tree. Select the Display Elements selection menu. Then select the mode to change (Trace or Sonde).
Display
Elements
Option
Figure 38 – Main Menu
Optional Features for the Sonde Mode include: 
Race Track and Watermark
The “Race Track” is a circular track around the center of the Active View Area on the screen. The Watermark is a marker which appears in the outer ring of the display, traveling along the Race Track. The Watermark is a graphic representation of the highest Signal Strength reached (in Sonde mode) or the highest Proximity Signal level reached (in Line Tracing modes). It is “chased” by a solid Level Pointer 
which shows the current Signal Strength. (See Figure 39 for example.) If the Signal Strength Level Pointer goes higher than the Watermark,
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