Runco Q-750I User Manual

Test Patterns: The Q-750i has numerous internal test patterns that are useful to 
technicians for advanced calibration, measurement and fault isolation purposes. To 
access them, select Test Patterns from the Service menu and set it to On. 

The available test patterns are:

• White

• Black

• Red

• Green

• Blue

• Cyan

• Magenta

• Yellow

• ANSI Checkerboard

• Horizontal Gray Ramp

• Focus  Grid

Press 

 or 

 on the remote control unit or built-in keypad to cycle through the test 

patterns. 

To turn test patterns off, press any key other than 

 or 

 on the remote control unit or 

built-in keypad.

Altitude: Select Altitude from the Service Menu to control the operation of the projector’s 
cooling fan. 

In most cases, the default setting (Auto) maintains the correct operating temperature. If 
the projector frequently turns off due to overheating, or in certain high-altitude operating 
environments, you may need to change this setting to High.