System information
Table Of Contents

Setting your IHD sight and sound preferences  
To customize your IHD’s sight and sound settings for the light arc, 
screen and audible tones, select the Sight and Sound menu. 
Your options for customization include:  
•  adjusting your display contrast, 
•  adjusting your display backlight, 
•  adjusting the light arc brightness and 
•  turning the sound on or off. 
Preference options 
Contrast 
Contrast refers to the difference between the text and the 
background.  
If the text presented on the display is difficult to read, adjust the 
contrast level using the up and down Navigation buttons. 
Contrast level 1 – lightens the background relative to the text  
Contrast level 10 – darkens the background relative to the text 
Backlight 
Adjust the brightness of the display’s backlight to make the text easier 
to read using the up and down Navigation buttons. 
Backlight level Off – turns the backlight off 
Backlight level 1 – dims or minimizes the backlight  
Backlight level 10 – maximizes the backlight 
Light Arc 
Adjust the brightness of the display’s light arc using the up and down Navigation buttons. 
Light arc level Off – turns the light arc off  
Light arc level 1 – minimizes the brightness of the light arc 
Light arc level 10 –maximizes the brightness of the light arc 
It is recommended that the light arc remain on to provide at-a-glance feedback about your current electricity use 
and price and increase conservation awareness. 
Sound 
Your IHD is equipped with audible tones that are audible each time you press a button on your IHD.  
The sound may be turned on or off from this menu option. 
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