HID-2138 User Manual
HID-2138 Quick Reference Guide
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3.2 Using LCD Display and Touch Screen
3.2.1 Adjust System Volume
1.
Press the Volume Up or Volume Down icon to increase or decrease
volume
2.
The volume will be adjusted accordingly.
3.2.2 Adjust LCD Display Brightness
1.
Press the Brightness Up or Brightness Down icon to increase or decrease
brightness.
2.
The brightness of the LCD display will be adjusted accordingly.
3.2.3 LED reading light & Touch function
1.
Press LED reading light icon for 2 sec to turn on the light bar.
2.
Press LED reading light icon for 2 sec to turn off the light bar
3.
Press LED reading light icon for 4 secs to turn off the touch function
(touch function always on as default)
4.
Press LED reading light icon for 4 secs to turn on the touch function
Control Buttons
