ViewSonic CDE5510 - Using of Remote Sensor and Power Indicator

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2.4. Using of Remote sensor and power indicator
1. Push down the lens to have better remote control performance and easy to observe the light information
of power status..
2. Push up the lens before mounting the display for video wall application.
3. Pull/Push the lens until hearing the click sound.
Push up to collapse the lens Push down to extend the lens