obd2cartool.com Tech-2-User-Guide
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SECTION VIIA<br />
TECH 2 MAIN MENU & LIVE PLOT<br />
F1: Set Screen Contrast<br />
Selecting F1: Set Screen Contrast reveals a Set Contrast Control screen (Figure VIIA-5) that instructs<br />
you on how to set and save the screen contrast to optimize the tool’s visibility in your lighting conditions.<br />
IMPORTANT<br />
The Set Contrast Control tool option adjusts the permanent default contrast setting of <strong>Tech</strong> 2 display.<br />
Because of the nature of the LCD (Liquid Crystal Display), you will experience some contrast variance.<br />
When the temperature of the <strong>Tech</strong> 2 increases the display will brighten slightly. As the temperature of the<br />
<strong>Tech</strong> 2 decreases, the display will darken. This variance is a characteristic of an LCD screen and should<br />
be considered normal operation.<br />
The screen contrast control setting described above may not account for the entire variance of operating<br />
temperatures. Set a default setting which is mid-range between the operating temperatures. Screen<br />
contrast may be adjusted during any function by pressing the SHIFT key and using the up and down<br />
arrows for adjustment. Periodic adjustments may be necessary, but settings outside of this application are<br />
only retained during the current power-up session.<br />
Figure VIIA-5<br />
Set Contrast Control screen<br />
Tool Options continued on next page...<br />
2005 <strong>Tech</strong> 2 <strong>User</strong>’s <strong>Guide</strong> VII - 7
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