Optoma EH319UST User manual - Page 28

LED indicator, Blue LED, Red LED, Description, IR Laser mode, Visible light mode, Error

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7. Press the button again to switch back to IR mode (The Blue LED will stay solid) Mode IR Laser mode Visible light mode Error Blue LED Solid Solid -- LED indicator Red LED Description -- IR laser ON Blinking Visible light ON (IR Laser OFF, touch disabled) Always ON Error of LD module occurred. 8. Put top cover back on and tighten the screws. 28

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7.
Press the button again to switch back to IR mode (The Blue LED will stay solid)
LED indicator
Mode
Blue LED
Red LED
Description
IR Laser mode
Solid
--
IR laser ON
Visible light mode
Solid
Blinking
Visible light ON (IR Laser OFF, touch disabled)
Error
--
Always ON
Error of LD module occurred.
8.
Put top cover back on and tighten the screws.