Extron electronic QSD 204 D manual Menu button, Next button, LCD menu display and controls

Installation and Operation, cont’d

Blanking control button — This button controls the blanking adjustment on the display. To remove noise or extraneous material, such as closed captioning, remove scan lines at either the top or bottom of the screen. Rotate the Adjust horizontal () knob to adjust the top blanking from 0 to 127 lines (the default is 0). Rotate the Adjust vertical () knob to adjust the bottom blanking from 0 to 127 lines (the default is 0). See the “Image adjustments” section in this chapter.

Menu button

7Menu button — Use this button to enter and move through the main menu system in the QSD 204. See the “Menus, Configuration, and Adjustments” section in this chapter for details.

Next button

8Next button — Use this button to step through the submenus in the QSD 204 menu system. See the “Menus, Configuration, and Adjustments” section in this chapter for details.

LCD menu display and controls

9LCD — Displays configuration menus and status information. See the “Menus, Configuration, and Adjustments” section in this chapter for details.

10Adjust horizontal () knob — In the menu system, rotate this knob to scroll through menu options and make adjustments.

11Adjust vertical () knob — In the menu system, rotate this knob to scroll through menu options and make adjustments.

12Infrared sensor — This sensor is used to receive infrared (IR) signals from the IR-901 remote control. See the “IR 901 Infrared Remote Control” section in this chapter.

2-8 QSD 204 • Installation and Operation