Nec MultiSync X841UHD SST [6/23] Diagnostics view

REV 2.1 JUL/31/2015 AN-SW-003

Baanto™ and ShadowSense™ are the trademarks of Baanto International Ltd., Canada. All other trademarks as used are the property of the respective owners.

2.0 DIAGNOSTICS VIEW

The ShadowSense technology utilizes a number of unique shadow sensors located along the top of the

touchscreen. LEDs are placed along the remaining 3 edges and these LEDs are used to cast light across the

surface of the glass. When a finger or other object, touches the screen, the shadow sensors are able to detect

1. CALIBRATION BAR:

 The calibration state of the touchscreen is shown in this bar. The touchscreen goes through a

calibration process at boot up and at various times during operation if it detects that calibration has

changed due to environmental conditions. There are four states of calibration that the touchscreen

undergoes, which are described below:

 NO COMMUNICATION (RED) – Cannot communicate with the sensor bar

 UNCONFIGURED (GREY) – Device has not started calibration

 OPTIMIZATION STARTED (YELLOW) – Device is undergoing calibration. For optimal calibration it

should not be touched or handled while in this state.

 OPTIMIZATION POST DELAY (LIGHT GREEN) – device has completed calibration and is waiting for