BenQ TH685 User Manual - Page 38
System Setup : Advanced, Reset Light Timer, Light Usage Time, HDMI Range, Limited, HDMI EDID, Enhanced
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System Setup : Advanced Light Settings HDMI Settings Baud Rate • Reset Light Timer: See Resetting the light timer on page 45. • Light Usage Time: Displays the number of hours the light has been used. • HDMI Range Sets the HDMI Range to Auto, Full, or Limited. • HDMI EDID Switch HDMI EDID between HDMI 1.4 or HDMI 2.0 in order to solve compatibility issue with uncertain old players. • Enhanced: Enhanced mode can switch to HDMI 2.0 EDID. • Standard: Standard mode can switch to HDMI 1.4 EDID. Selects a baud rate that is identical with your computer's so that you can connect the projector using a suitable RS-232 cable and update or download the projector's firmware. This function is intended for qualified service personnel. Adjusts the image size and focus and check that the projected image is free from distortion. Test Pattern Quick Cooling Select On enables the function and projector cooling time will be shortened from a normal 90-second duration to approximately 15 seconds. We recommend you use the High Altitude Mode when your environment is between 1500 m -3000 m above sea level, and ambient temperature is between 0°C-30°C. Operation under "High Altitude Mode" may cause a higher decibel operating noise level because of increased fan speed necessary to improve overall system cooling and performance. High Altitude Mode If you use this projector under other extreme conditions excluding the above, it may display auto shut-down symptoms, which is designed to protect your projector from over-heating. In cases like this, you should switch to High Altitude mode to solve these symptoms. However, this is not to state that this projector can operate under any and all harsh or extreme conditions. Password Do not use the High Altitude Mode if your altitude is between 0 m and 1500 m and ambient temperature is between 0°C and 35°C. The projector will be over cooled, if you turn the mode on under such a condition. For security purposes and to prevent unauthorized use, you may set up password security for the projector. See Utilizing the password function for details. • Change Password You will be asked to enter the current password before changing to a new one. • Power On Lock Limits use of the projector to only those who know the correct password. 38 Menu operation